From 9996e181e1ddc7ef50f03884c7ab7a83be9281d3 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 6 Jan 2018 21:10:44 +0300
Subject: [PATCH 01/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 .../AggregateFunctionSequenceMatch.h          |   3 +-
 .../ReservoirSamplerDeterministic.h           |   3 +-
 dbms/src/Common/HyperLogLogCounter.h          |   4 +-
 dbms/src/Common/OptimizedRegularExpression.h  |   2 +-
 dbms/src/Common/SmallObjectPool.h             |   3 +-
 dbms/src/Common/formatIPv6.cpp                |   3 +-
 .../Common/tests/gtest_rw_lock_fifo.cpp.cpp   |   9 +-
 .../tests/integer_hash_tables_and_hashes.cpp  |   2 +-
 dbms/src/Common/tests/shell_command_test.cpp  |   3 +-
 .../AddingConstColumnBlockInputStream.h       |   7 +
 .../AggregatingBlockInputStream.cpp           |   7 +-
 .../DataStreams/AggregatingBlockInputStream.h |   2 +
 .../AggregatingSortedBlockInputStream.h       |   2 +
 .../AsynchronousBlockInputStream.h            |   3 +
 .../DataStreams/BlockExtraInfoInputStream.h   |   4 +-
 .../BlockInputStreamFromRowInputStream.h      |   2 +
 .../DataStreams/CapnProtoRowInputStream.cpp   | 105 +++++------
 .../DataStreams/CastTypeBlockInputStream.h    |   2 +
 .../CollapsingFinalBlockInputStream.h         |   2 +
 .../CollapsingSortedBlockInputStream.h        |   2 +
 dbms/src/DataStreams/ColumnGathererStream.h   |   2 +
 dbms/src/DataStreams/ConcatBlockInputStream.h |   2 +
 .../CreatingSetsBlockInputStream.h            |   2 +
 .../DataStreams/DistinctBlockInputStream.h    |   2 +
 .../DistinctSortedBlockInputStream.h          |   2 +
 dbms/src/DataStreams/EmptyBlockOutputStream.h |  27 ---
 .../ExpressionBlockInputStream.cpp            |   7 +
 .../DataStreams/ExpressionBlockInputStream.h  |   1 +
 .../DataStreams/FilterBlockInputStream.cpp    |  65 +++----
 dbms/src/DataStreams/FilterBlockInputStream.h |   5 +-
 .../FilterColumnsBlockInputStream.cpp         |  12 ++
 .../FilterColumnsBlockInputStream.h           |   2 +
 dbms/src/DataStreams/ForkBlockInputStreams.h  |  74 --------
 .../GraphiteRollupSortedBlockInputStream.h    |   2 +
 dbms/src/DataStreams/IBlockInputStream.h      |   7 +
 .../InputStreamFromASTInsertQuery.cpp         |  17 +-
 .../InputStreamFromASTInsertQuery.h           |  20 +--
 dbms/src/DataStreams/LazyBlockInputStream.h   | 108 +++++++-----
 dbms/src/DataStreams/LimitBlockInputStream.h  |   2 +
 .../DataStreams/LimitByBlockInputStream.cpp   |   2 +
 .../src/DataStreams/LimitByBlockInputStream.h |   4 +-
 .../MaterializingBlockInputStream.cpp         |  12 ++
 .../MaterializingBlockInputStream.h           |   1 +
 .../MergeSortingBlockInputStream.h            |   4 +
 .../MergingAggregatedBlockInputStream.cpp     |   5 +
 .../MergingAggregatedBlockInputStream.h       |   2 +
 ...regatedMemoryEfficientBlockInputStream.cpp |   6 +
 ...ggregatedMemoryEfficientBlockInputStream.h |   2 +
 .../MergingSortedBlockInputStream.h           |   2 +
 .../DataStreams/NativeBlockInputStream.cpp    |  14 ++
 dbms/src/DataStreams/NativeBlockInputStream.h |   2 +
 .../NullAndDoCopyBlockInputStream.h           |   2 +
 dbms/src/DataStreams/NullBlockInputStream.h   |   9 +-
 .../NullableAdapterBlockInputStream.cpp       |   1 +
 .../NullableAdapterBlockInputStream.h         |   3 +
 dbms/src/DataStreams/OneBlockInputStream.h    |   8 +
 dbms/src/DataStreams/OwningBlockInputStream.h |   2 +
 .../ParallelAggregatingBlockInputStream.cpp   |   6 +
 .../ParallelAggregatingBlockInputStream.h     |   2 +
 .../PartialSortingBlockInputStream.h          |   2 +
 dbms/src/DataStreams/QueueBlockIOStream.h     |  69 --------
 .../DataStreams/RemoteBlockInputStream.cpp    |  48 ++++-
 dbms/src/DataStreams/RemoteBlockInputStream.h |   6 +
 .../RemoveColumnsBlockInputStream.h           |  11 ++
 .../ReplacingSortedBlockInputStream.h         |   2 +
 .../DataStreams/SquashingBlockInputStream.h   |   2 +
 .../SummingSortedBlockInputStream.h           |   2 +
 .../TotalsHavingBlockInputStream.cpp          |  17 +-
 .../TotalsHavingBlockInputStream.h            |   4 +-
 dbms/src/DataStreams/UnionBlockInputStream.h  |   2 +
 .../src/DataStreams/glueBlockInputStreams.cpp |  63 -------
 dbms/src/DataStreams/glueBlockInputStreams.h  |  17 --
 dbms/src/DataStreams/tests/CMakeLists.txt     |   6 -
 dbms/src/DataStreams/tests/fork_streams.cpp   | 110 ------------
 dbms/src/DataStreams/tests/glue_streams.cpp   |  98 -----------
 dbms/src/Databases/DatabaseMemory.cpp         |   3 +-
 dbms/src/Databases/DatabaseOrdinary.cpp       |   3 +-
 .../Dictionaries/ComplexKeyCacheDictionary.h  |   9 +-
 .../ComplexKeyHashedDictionary.cpp            |   6 +-
 .../Dictionaries/DictionaryBlockInputStream.h |  13 +-
 .../DictionaryBlockInputStreamBase.cpp        |  11 ++
 .../DictionaryBlockInputStreamBase.h          |   5 +-
 dbms/src/Dictionaries/Embedded/RegionsNames.h |   3 +-
 .../ExecutableDictionarySource.cpp            |   2 +
 dbms/src/Dictionaries/FlatDictionary.cpp      |   5 +-
 dbms/src/Dictionaries/HashedDictionary.cpp    |   4 +-
 .../Dictionaries/MongoDBBlockInputStream.cpp  |   2 +-
 .../Dictionaries/MongoDBBlockInputStream.h    |   2 +
 dbms/src/Dictionaries/MySQLBlockInputStream.h |   2 +
 dbms/src/Dictionaries/ODBCBlockInputStream.h  |   2 +
 .../RangeDictionaryBlockInputStream.h         |  26 +--
 .../Dictionaries/RangeHashedDictionary.cpp    |   3 +-
 dbms/src/Dictionaries/TrieDictionary.cpp      |   3 +-
 dbms/src/Functions/FunctionsFindCluster.h     |   2 +-
 dbms/src/Functions/FunctionsGeo.h             |   3 +-
 dbms/src/Functions/FunctionsHashing.h         |   3 +-
 dbms/src/Functions/FunctionsMiscellaneous.cpp |   6 +-
 dbms/src/Functions/Regexps.h                  |   4 +-
 dbms/src/IO/ReadBufferFromFile.cpp            |   3 +-
 dbms/src/IO/WriteBufferFromFile.cpp           |   3 +-
 dbms/src/Interpreters/Aggregator.cpp          | 165 ++++++------------
 dbms/src/Interpreters/Aggregator.h            |  50 +++---
 .../ClusterProxy/AlterStreamFactory.cpp       |  40 -----
 .../ClusterProxy/AlterStreamFactory.h         |  25 ---
 .../ClusterProxy/executeQuery.cpp             |   1 -
 dbms/src/Interpreters/DDLWorker.cpp           |   4 +-
 dbms/src/Interpreters/ExpressionAnalyzer.cpp  |   5 +-
 .../src/Interpreters/ExternalDictionaries.cpp |   4 +-
 dbms/src/Interpreters/ExternalModels.cpp      |   4 +-
 .../InterpreterKillQueryQuery.cpp             |   4 +-
 .../Interpreters/InterpreterSelectQuery.cpp   |  24 ++-
 dbms/src/Interpreters/Join.cpp                |   2 +
 dbms/src/Interpreters/tests/aggregate.cpp     |   9 +-
 .../Interpreters/tests/hash_map_string.cpp    |  24 +--
 .../Interpreters/tests/hash_map_string_3.cpp  |  27 +--
 dbms/src/Parsers/ASTColumnDeclaration.h       |   3 +-
 dbms/src/Server/Client.cpp                    |   3 +-
 dbms/src/Server/InterruptListener.h           |  12 +-
 dbms/src/Server/MetricsTransmitter.cpp        |   3 +-
 dbms/src/Server/PerformanceTest.cpp           |   9 +-
 dbms/src/Storages/AlterCommands.cpp           |   9 +-
 .../MergeTree/MergeTreeBaseBlockInputStream.h |   2 +
 .../MergeTree/MergeTreeBlockReadUtils.cpp     |   4 +-
 .../MergeTree/MergeTreeDataSelectExecutor.cpp |   2 +-
 .../MergeTree/MergeTreeWhereOptimizer.cpp     |   6 +-
 dbms/src/Storages/StorageBuffer.cpp           |  15 +-
 dbms/src/Storages/StorageCatBoostPool.cpp     |   2 +
 dbms/src/Storages/StorageCatBoostPool.h       |   3 +-
 dbms/src/Storages/StorageDistributed.cpp      |   2 -
 dbms/src/Storages/StorageFile.cpp             |   2 +
 dbms/src/Storages/StorageKafka.cpp            |   5 +-
 dbms/src/Storages/StorageLog.cpp              |   2 +
 dbms/src/Storages/StorageMemory.cpp           |   9 +-
 dbms/src/Storages/StorageMerge.cpp            |   2 +-
 dbms/src/Storages/StorageNull.h               |   2 +-
 dbms/src/Storages/StorageStripeLog.cpp        |   4 +-
 dbms/src/Storages/StorageTinyLog.cpp          |   2 +
 .../Storages/System/StorageSystemGraphite.cpp |   3 +-
 .../Storages/System/StorageSystemNumbers.cpp  |  11 +-
 .../src/TableFunctions/TableFunctionFactory.h |   3 +-
 .../dictionary_library/dictionary_library.cpp |   3 +-
 141 files changed, 747 insertions(+), 969 deletions(-)
 delete mode 100644 dbms/src/DataStreams/EmptyBlockOutputStream.h
 delete mode 100644 dbms/src/DataStreams/ForkBlockInputStreams.h
 delete mode 100644 dbms/src/DataStreams/QueueBlockIOStream.h
 delete mode 100644 dbms/src/DataStreams/glueBlockInputStreams.cpp
 delete mode 100644 dbms/src/DataStreams/glueBlockInputStreams.h
 delete mode 100644 dbms/src/DataStreams/tests/fork_streams.cpp
 delete mode 100644 dbms/src/DataStreams/tests/glue_streams.cpp
 delete mode 100644 dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.cpp
 delete mode 100644 dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.h

diff --git a/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h b/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
index c41bd9e8010..297e74ae975 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
+++ b/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
@@ -338,7 +338,8 @@ protected:
         std::stack<backtrack_info> back_stack;
 
         /// backtrack if possible
-        const auto do_backtrack = [&] {
+        const auto do_backtrack = [&]
+        {
             while (!back_stack.empty())
             {
                 auto & top = back_stack.top();
diff --git a/dbms/src/AggregateFunctions/ReservoirSamplerDeterministic.h b/dbms/src/AggregateFunctions/ReservoirSamplerDeterministic.h
index 5d90ce4ebaa..bff3fcb78ea 100644
--- a/dbms/src/AggregateFunctions/ReservoirSamplerDeterministic.h
+++ b/dbms/src/AggregateFunctions/ReservoirSamplerDeterministic.h
@@ -210,7 +210,8 @@ private:
         if (sorted)
             return;
         sorted = true;
-        std::sort(samples.begin(), samples.end(), [] (const std::pair<T, UInt32> & lhs, const std::pair<T, UInt32> & rhs) {
+        std::sort(samples.begin(), samples.end(), [] (const std::pair<T, UInt32> & lhs, const std::pair<T, UInt32> & rhs)
+        {
             return lhs.first < rhs.first;
         });
     }
diff --git a/dbms/src/Common/HyperLogLogCounter.h b/dbms/src/Common/HyperLogLogCounter.h
index b51d00fd0ff..325d853c371 100644
--- a/dbms/src/Common/HyperLogLogCounter.h
+++ b/dbms/src/Common/HyperLogLogCounter.h
@@ -309,7 +309,7 @@ public:
     {
         /// Normalizing factor for harmonic mean.
         static constexpr double alpha_m =
-            bucket_count == 2     ? 0.351 :
+            bucket_count == 2  ? 0.351 :
             bucket_count == 4  ? 0.532 :
             bucket_count == 8  ? 0.626 :
             bucket_count == 16 ? 0.673 :
@@ -516,10 +516,8 @@ private:
     }
 
 private:
-    /// Maximum rank.
     static constexpr int max_rank = sizeof(HashValueType) * 8 - precision + 1;
 
-    /// Rank storage.
     RankStore rank_store;
 
     /// Expression's denominator for HyperLogLog algorithm.
diff --git a/dbms/src/Common/OptimizedRegularExpression.h b/dbms/src/Common/OptimizedRegularExpression.h
index 3dbfb27c78f..81bfc2653c9 100644
--- a/dbms/src/Common/OptimizedRegularExpression.h
+++ b/dbms/src/Common/OptimizedRegularExpression.h
@@ -85,7 +85,7 @@ public:
     unsigned getNumberOfSubpatterns() const { return number_of_subpatterns; }
 
     /// Get the regexp re2 or nullptr if the pattern is trivial (for output to the log).
-    const std::unique_ptr<RegexType>& getRE2() const { return re2; }
+    const std::unique_ptr<RegexType> & getRE2() const { return re2; }
 
     static void analyze(const std::string & regexp_, std::string & required_substring, bool & is_trivial, bool & required_substring_is_prefix);
 
diff --git a/dbms/src/Common/SmallObjectPool.h b/dbms/src/Common/SmallObjectPool.h
index 9d915ddb6af..4eaf6cd26ab 100644
--- a/dbms/src/Common/SmallObjectPool.h
+++ b/dbms/src/Common/SmallObjectPool.h
@@ -62,7 +62,8 @@ public:
 
     void free(const void * ptr)
     {
-        union {
+        union
+        {
             const void * p_v;
             Block * block;
         };
diff --git a/dbms/src/Common/formatIPv6.cpp b/dbms/src/Common/formatIPv6.cpp
index 575549dd5ea..a9eea719e6f 100644
--- a/dbms/src/Common/formatIPv6.cpp
+++ b/dbms/src/Common/formatIPv6.cpp
@@ -74,7 +74,8 @@ void formatIPv6(const unsigned char * src, char *& dst, UInt8 zeroed_tail_bytes_
 
     for (const auto i : ext::range(0, words.size()))
     {
-        if (words[i] == 0) {
+        if (words[i] == 0)
+        {
             if (cur.base == -1)
                 cur.base = i, cur.len = 1;
             else
diff --git a/dbms/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp b/dbms/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp
index 11e0a45789d..3334dccabc6 100644
--- a/dbms/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp
+++ b/dbms/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp
@@ -30,7 +30,8 @@ TEST(Common, RWLockFIFO_1)
     static thread_local std::random_device rd;
     static thread_local pcg64 gen(rd());
 
-    auto func = [&] (size_t threads, int round) {
+    auto func = [&] (size_t threads, int round)
+    {
         for (int  i = 0; i < cycles; ++i)
         {
             auto type = (std::uniform_int_distribution<>(0, 9)(gen) >= round) ? RWLockFIFO::Read : RWLockFIFO::Write;
@@ -92,7 +93,8 @@ TEST(Common, RWLockFIFO_Recursive)
     static thread_local std::random_device rd;
     static thread_local pcg64 gen(rd());
 
-    std::thread t1([&] () {
+    std::thread t1([&] ()
+    {
         for (int i = 0; i < 2 * cycles; ++i)
         {
             auto lock = fifo_lock->getLock(RWLockFIFO::Write);
@@ -102,7 +104,8 @@ TEST(Common, RWLockFIFO_Recursive)
         }
     });
 
-    std::thread t2([&] () {
+    std::thread t2([&] ()
+    {
         for (int i = 0; i < cycles; ++i)
         {
             auto lock1 = fifo_lock->getLock(RWLockFIFO::Read);
diff --git a/dbms/src/Common/tests/integer_hash_tables_and_hashes.cpp b/dbms/src/Common/tests/integer_hash_tables_and_hashes.cpp
index a13df34129b..d86d77c5144 100644
--- a/dbms/src/Common/tests/integer_hash_tables_and_hashes.cpp
+++ b/dbms/src/Common/tests/integer_hash_tables_and_hashes.cpp
@@ -286,7 +286,7 @@ namespace Hashes
 
 
 template <template <typename...> class Map, typename Hash>
-void NO_INLINE test(const Key * data, size_t size, std::function<void(Map<Key, Value, Hash>&)> init = {})
+void NO_INLINE test(const Key * data, size_t size, std::function<void(Map<Key, Value, Hash> &)> init = {})
 {
     Stopwatch watch;
 
diff --git a/dbms/src/Common/tests/shell_command_test.cpp b/dbms/src/Common/tests/shell_command_test.cpp
index a13276249d3..7de6c18bfdf 100644
--- a/dbms/src/Common/tests/shell_command_test.cpp
+++ b/dbms/src/Common/tests/shell_command_test.cpp
@@ -47,7 +47,8 @@ try
     }
 
     // <defunct> hunting:
-    for (int i = 0; i < 1000; ++i) {
+    for (int i = 0; i < 1000; ++i)
+    {
         auto command = ShellCommand::execute("echo " + std::to_string(i));
         //command->wait(); // now automatic
     }
diff --git a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
index e408e6b96d5..c9670dc9623 100644
--- a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
+++ b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
@@ -31,6 +31,13 @@ public:
         return res.str();
     }
 
+    Block getHeader() override
+    {
+        Block res = children.back()->getHeader();
+        res.insert({nullptr, data_type, column_name});
+        return res;
+    }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
index b2cf9a7930a..db2af1fa867 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
@@ -14,6 +14,11 @@ namespace ProfileEvents
 namespace DB
 {
 
+Block AggregatingBlockInputStream::getHeader()
+{
+    return aggregator.getHeader(final);
+}
+
 
 Block AggregatingBlockInputStream::readImpl()
 {
@@ -42,7 +47,7 @@ Block AggregatingBlockInputStream::readImpl()
 
             if (!isCancelled())
             {
-                /// Flush data in the RAM to disk also. It's easier.
+                /// Flush data in the RAM to disk also. It's easier than merging on-disk and RAM data.
                 if (data_variants->size())
                     aggregator.writeToTemporaryFile(*data_variants);
             }
diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.h b/dbms/src/DataStreams/AggregatingBlockInputStream.h
index ea93188afba..daa300eb80d 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.h
@@ -37,6 +37,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
index 60b6fba25f9..bfc800dfc3c 100644
--- a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
@@ -49,6 +49,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/AsynchronousBlockInputStream.h b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
index e72b2f6489f..89a9947394c 100644
--- a/dbms/src/DataStreams/AsynchronousBlockInputStream.h
+++ b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
@@ -80,6 +80,9 @@ public:
     }
 
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
+
     ~AsynchronousBlockInputStream() override
     {
         if (started)
diff --git a/dbms/src/DataStreams/BlockExtraInfoInputStream.h b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
index c1a6d77874b..92107d2badd 100644
--- a/dbms/src/DataStreams/BlockExtraInfoInputStream.h
+++ b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
@@ -5,7 +5,7 @@
 namespace DB
 {
 
-/** Adds to one thread additional block information that is specified
+/** Adds to one stream additional block information that is specified
   * as the constructor parameter.
   */
 class BlockExtraInfoInputStream : public IProfilingBlockInputStream
@@ -31,6 +31,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.back()->getHeader(); }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
index 0194bacba9e..0c77a2b5654 100644
--- a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
+++ b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
@@ -38,6 +38,8 @@ public:
 
     RowInputStreamPtr & getRowInput() { return row_input; }
 
+    Block getHeader() override { return sample; }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/CapnProtoRowInputStream.cpp b/dbms/src/DataStreams/CapnProtoRowInputStream.cpp
index 69bb37e2a9e..ccd2f5257d3 100644
--- a/dbms/src/DataStreams/CapnProtoRowInputStream.cpp
+++ b/dbms/src/DataStreams/CapnProtoRowInputStream.cpp
@@ -36,45 +36,46 @@ CapnProtoRowInputStream::NestedField split(const Block & header, size_t i)
 
 Field convertNodeToField(capnp::DynamicValue::Reader value)
 {
-    switch (value.getType()) {
-    case capnp::DynamicValue::UNKNOWN:
-        throw Exception("Unknown field type");
-    case capnp::DynamicValue::VOID:
-        return Field();
-    case capnp::DynamicValue::BOOL:
-      return UInt64(value.as<bool>() ? 1 : 0);
-    case capnp::DynamicValue::INT:
-      return Int64((value.as<int64_t>()));
-    case capnp::DynamicValue::UINT:
-        return UInt64(value.as<uint64_t>());
-    case capnp::DynamicValue::FLOAT:
-      return Float64(value.as<double>());
-    case capnp::DynamicValue::TEXT:
+    switch (value.getType())
     {
-        auto arr = value.as<capnp::Text>();
-        return String(arr.begin(), arr.size());
-    }
-    case capnp::DynamicValue::DATA:
-    {
-        auto arr = value.as<capnp::Data>().asChars();
-        return String(arr.begin(), arr.size());
-    }
-    case capnp::DynamicValue::LIST:
-    {
-        auto listValue = value.as<capnp::DynamicList>();
-        Array res(listValue.size());
-        for (auto i : kj::indices(listValue))
-          res[i] = convertNodeToField(listValue[i]);
-        return res;
-    }
-    case capnp::DynamicValue::ENUM:
-        return UInt64(value.as<capnp::DynamicEnum>().getRaw());
-    case capnp::DynamicValue::STRUCT:
-        throw Exception("STRUCT type not supported, read individual fields instead");
-    case capnp::DynamicValue::CAPABILITY:
-        throw Exception("CAPABILITY type not supported");
-    case capnp::DynamicValue::ANY_POINTER:
-        throw Exception("ANY_POINTER type not supported");
+        case capnp::DynamicValue::UNKNOWN:
+            throw Exception("Unknown field type");
+        case capnp::DynamicValue::VOID:
+            return Field();
+        case capnp::DynamicValue::BOOL:
+            return UInt64(value.as<bool>() ? 1 : 0);
+        case capnp::DynamicValue::INT:
+            return Int64((value.as<int64_t>()));
+        case capnp::DynamicValue::UINT:
+            return UInt64(value.as<uint64_t>());
+        case capnp::DynamicValue::FLOAT:
+            return Float64(value.as<double>());
+        case capnp::DynamicValue::TEXT:
+        {
+            auto arr = value.as<capnp::Text>();
+            return String(arr.begin(), arr.size());
+        }
+        case capnp::DynamicValue::DATA:
+        {
+            auto arr = value.as<capnp::Data>().asChars();
+            return String(arr.begin(), arr.size());
+        }
+        case capnp::DynamicValue::LIST:
+        {
+            auto listValue = value.as<capnp::DynamicList>();
+            Array res(listValue.size());
+            for (auto i : kj::indices(listValue))
+            res[i] = convertNodeToField(listValue[i]);
+            return res;
+        }
+        case capnp::DynamicValue::ENUM:
+            return UInt64(value.as<capnp::DynamicEnum>().getRaw());
+        case capnp::DynamicValue::STRUCT:
+            throw Exception("STRUCT type not supported, read individual fields instead");
+        case capnp::DynamicValue::CAPABILITY:
+            throw Exception("CAPABILITY type not supported");
+        case capnp::DynamicValue::ANY_POINTER:
+            throw Exception("ANY_POINTER type not supported");
     }
 }
 
@@ -172,19 +173,21 @@ bool CapnProtoRowInputStream::read(MutableColumns & columns)
 
     for (auto action : actions)
     {
-        switch (action.type) {
-        case Action::READ: {
-            auto & col = columns[action.column];
-            Field value = convertNodeToField(stack.back().get(action.field));
-            col->insert(value);
-            break;
-        }
-        case Action::POP:
-            stack.pop_back();
-            break;
-        case Action::PUSH:
-            stack.push_back(stack.back().get(action.field).as<capnp::DynamicStruct>());
-            break;
+        switch (action.type)
+        {
+            case Action::READ:
+            {
+                auto & col = columns[action.column];
+                Field value = convertNodeToField(stack.back().get(action.field));
+                col->insert(value);
+                break;
+            }
+            case Action::POP:
+                stack.pop_back();
+                break;
+            case Action::PUSH:
+                stack.push_back(stack.back().get(action.field).as<capnp::DynamicStruct>());
+                break;
         }
     }
 
diff --git a/dbms/src/DataStreams/CastTypeBlockInputStream.h b/dbms/src/DataStreams/CastTypeBlockInputStream.h
index 6cc9176456f..cccc1bf2ec6 100644
--- a/dbms/src/DataStreams/CastTypeBlockInputStream.h
+++ b/dbms/src/DataStreams/CastTypeBlockInputStream.h
@@ -21,6 +21,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return ref_definition; }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
index 264b2083809..77db2d6a8e9 100644
--- a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
@@ -48,6 +48,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
index 88a314c7ecd..f457f0940fc 100644
--- a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
@@ -51,6 +51,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/ColumnGathererStream.h b/dbms/src/DataStreams/ColumnGathererStream.h
index 66ad2645e2f..65f0495e5b3 100644
--- a/dbms/src/DataStreams/ColumnGathererStream.h
+++ b/dbms/src/DataStreams/ColumnGathererStream.h
@@ -67,6 +67,8 @@ public:
 
     void readSuffixImpl() override;
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
     /// for use in implementations of IColumn::gather()
     template <typename Column>
     void gather(Column & column_res);
diff --git a/dbms/src/DataStreams/ConcatBlockInputStream.h b/dbms/src/DataStreams/ConcatBlockInputStream.h
index e8da47a7c02..571c14ff57e 100644
--- a/dbms/src/DataStreams/ConcatBlockInputStream.h
+++ b/dbms/src/DataStreams/ConcatBlockInputStream.h
@@ -41,6 +41,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
index 605caac90bc..91383630139 100644
--- a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
+++ b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
@@ -54,6 +54,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.back()->getHeader(); }
+
     /// Takes `totals` only from the main source, not from subquery sources.
     const Block & getTotals() override;
 
diff --git a/dbms/src/DataStreams/DistinctBlockInputStream.h b/dbms/src/DataStreams/DistinctBlockInputStream.h
index d35c6ced3d3..72e1b6470a5 100644
--- a/dbms/src/DataStreams/DistinctBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctBlockInputStream.h
@@ -24,6 +24,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
index 335e8406e70..3dc5984a0d1 100644
--- a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
@@ -27,6 +27,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/EmptyBlockOutputStream.h b/dbms/src/DataStreams/EmptyBlockOutputStream.h
deleted file mode 100644
index b84e8d483e6..00000000000
--- a/dbms/src/DataStreams/EmptyBlockOutputStream.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-
-#include <DataStreams/IBlockOutputStream.h>
-#include <Common/Exception.h>
-
-
-namespace DB
-{
-
-namespace ErrorCodes
-{
-    extern const int CANNOT_WRITE_TO_EMPTY_BLOCK_OUTPUT_STREAM;
-}
-
-/** When trying to write blocks to this stream of blocks, throws an exception.
-  * Used where, in general, you need to pass a stream of blocks, but in some cases, it should not be used.
-  */
-class EmptyBlockOutputStream : public IBlockOutputStream
-{
-public:
-    void write(const Block & block) override
-    {
-        throw Exception("Cannot write to EmptyBlockOutputStream", ErrorCodes::CANNOT_WRITE_TO_EMPTY_BLOCK_OUTPUT_STREAM);
-    }
-};
-
-}
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index 369150796f7..bbd5cafaa87 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -31,6 +31,13 @@ const Block & ExpressionBlockInputStream::getTotals()
     return totals;
 }
 
+Block ExpressionBlockInputStream::getHeader()
+{
+    auto res = children.back()->getHeader();
+    expression->execute(res);
+    return res;
+}
+
 Block ExpressionBlockInputStream::readImpl()
 {
     Block res = children.back()->read();
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.h b/dbms/src/DataStreams/ExpressionBlockInputStream.h
index 11d498332a3..9d6c44330c0 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.h
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.h
@@ -24,6 +24,7 @@ public:
     String getName() const override;
     String getID() const override;
     const Block & getTotals() override;
+    Block getHeader() override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index e3430119a1b..8b3e1df640e 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -23,10 +23,14 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
     children.push_back(input);
 }
 
-FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input, const ExpressionActionsPtr & expression_, const String & filter_column_name_)
-    : expression(expression_), filter_column(-1), filter_column_name(filter_column_name_)
+FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input, const ExpressionActionsPtr & expression_, const String & filter_column_name)
+    : expression(expression_)
 {
     children.push_back(input);
+
+    /// Determine position of filter column.
+    Block src_header = input->getHeader();
+    filter_column = src_header.getPositionByName(filter_column_name);
 }
 
 
@@ -36,7 +40,7 @@ String FilterBlockInputStream::getName() const { return "Filter"; }
 String FilterBlockInputStream::getID() const
 {
     std::stringstream res;
-    res << "Filter(" << children.back()->getID() << ", " << expression->getID() << ", " << filter_column << ", " << filter_column_name << ")";
+    res << "Filter(" << children.back()->getID() << ", " << expression->getID() << ", " << filter_column << ")";
     return res.str();
 }
 
@@ -53,34 +57,39 @@ const Block & FilterBlockInputStream::getTotals()
 }
 
 
+Block FilterBlockInputStream::getHeader()
+{
+    auto res = children.back()->getHeader();
+    expression->execute(res);
+
+    /// Isn't the filter already constant?
+    ColumnPtr column = res.safeGetByPosition(filter_column).column;
+
+    if (!have_constant_filter_description)
+    {
+        have_constant_filter_description = true;
+        if (column)
+            constant_filter_description = ConstantFilterDescription(*column);
+    }
+
+    if (constant_filter_description.always_false
+        || constant_filter_description.always_true)
+        return res;
+
+    /// Replace the filter column to a constant with value 1.
+    auto res_filter_elem = res.getByPosition(filter_column);
+    res_filter_elem.column = res_filter_elem.type->createColumnConst(res.rows(), UInt64(1));
+    return res;
+}
+
+
 Block FilterBlockInputStream::readImpl()
 {
     Block res;
 
-    if (is_first)
+    if (!have_constant_filter_description)
     {
-        is_first = false;
-
-        const Block & sample_block = expression->getSampleBlock();
-
-        /// Find the current position of the filter column in the block.
-        /** sample_block has the result structure of evaluating the expression.
-          * But this structure does not necessarily match expression->execute(res) below,
-          *  because the expression can be applied to a block that also contains additional,
-          *  columns unnecessary for this expression, but needed later, in the next stages of the query execution pipeline.
-          * There will be no such columns in sample_block.
-          * Therefore, the position of the filter column in it can be different.
-          */
-        ssize_t filter_column_in_sample_block = filter_column;
-        if (filter_column_in_sample_block == -1)
-            filter_column_in_sample_block = sample_block.getPositionByName(filter_column_name);
-
-        /// Let's check if the filter column is a constant containing 0 or 1.
-        ColumnPtr column = sample_block.safeGetByPosition(filter_column_in_sample_block).column;
-
-        if (column)
-            constant_filter_description = ConstantFilterDescription(*column);
-
+        getHeader();
         if (constant_filter_description.always_false)
             return res;
     }
@@ -97,10 +106,6 @@ Block FilterBlockInputStream::readImpl()
         if (constant_filter_description.always_true)
             return res;
 
-        /// Find the current position of the filter column in the block.
-        if (filter_column == -1)
-            filter_column = res.getPositionByName(filter_column_name);
-
         size_t columns = res.columns();
         ColumnPtr column = res.safeGetByPosition(filter_column).column;
 
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.h b/dbms/src/DataStreams/FilterBlockInputStream.h
index 56a38b9e39a..aad20f49fa9 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterBlockInputStream.h
@@ -27,6 +27,7 @@ public:
     String getName() const override;
     String getID() const override;
     const Block & getTotals() override;
+    Block getHeader() override;
 
 protected:
     Block readImpl() override;
@@ -34,11 +35,9 @@ protected:
 private:
     ExpressionActionsPtr expression;
     ssize_t filter_column;
-    String filter_column_name;
-
-    bool is_first = true;
 
     ConstantFilterDescription constant_filter_description;
+    bool have_constant_filter_description = false;
 };
 
 }
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
index a8ee82945a7..3c105dbccfa 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
@@ -15,6 +15,18 @@ String FilterColumnsBlockInputStream::getID() const
     return res.str();
 }
 
+Block FilterColumnsBlockInputStream::getHeader()
+{
+    Block block = children.back()->getHeader();
+    Block filtered;
+
+    for (const auto & it : columns_to_save)
+        if (throw_if_column_not_found || block.has(it))
+            filtered.insert(std::move(block.getByName(it)));
+
+    return filtered;
+}
+
 Block FilterColumnsBlockInputStream::readImpl()
 {
     Block block = children.back()->read();
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
index 07a9f6bd093..5b2df80ca60 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
@@ -26,6 +26,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/ForkBlockInputStreams.h b/dbms/src/DataStreams/ForkBlockInputStreams.h
deleted file mode 100644
index 504cfc5bdbe..00000000000
--- a/dbms/src/DataStreams/ForkBlockInputStreams.h
+++ /dev/null
@@ -1,74 +0,0 @@
-#pragma once
-
-#include <DataStreams/QueueBlockIOStream.h>
-
-
-namespace DB
-{
-
-
-/** Allows you to make several sources from one.
-  * Used for single-pass execution of several queries at once.
-  *
-  * Multiple received sources should be read from different threads!
-  * Uses O(1) RAM (does not buffer all data).
-  * For this, readings from different sources are synchronized:
-  *  reading of next block is blocked until all sources have read the current block.
-  */
-class ForkBlockInputStreams : private boost::noncopyable
-{
-public:
-    ForkBlockInputStreams(const BlockInputStreamPtr & source_) : source(source_) {}
-
-    /// Create a source. Call the function as many times as many forked sources you need.
-    BlockInputStreamPtr createInput()
-    {
-        destinations.emplace_back(std::make_shared<QueueBlockIOStream>(1));
-        return destinations.back();
-    }
-
-    /// Before you can read from the sources you have to "run" this construct.
-    void run()
-    {
-        while (1)
-        {
-            if (destinations.empty())
-                return;
-
-            Block block = source->read();
-
-            for (Destinations::iterator it = destinations.begin(); it != destinations.end();)
-            {
-                if ((*it)->isCancelled())
-                {
-                    destinations.erase(it++);
-                }
-                else
-                {
-                    (*it)->write(block);
-                    ++it;
-                }
-            }
-
-            if (!block)
-                return;
-        }
-    }
-
-private:
-    /// From where to read.
-    BlockInputStreamPtr source;
-
-    /** Forked sources.
-      * Made on the basis of a queue of small length.
-      * A block from `source` is put in each queue.
-      */
-    using Destination = std::shared_ptr<QueueBlockIOStream>;
-    using Destinations = std::list<Destination>;
-    Destinations destinations;
-};
-
-using ForkPtr = std::shared_ptr<ForkBlockInputStreams>;
-using Forks = std::vector<ForkPtr>;
-
-}
diff --git a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
index 2aa69568f85..f1aa55ac708 100644
--- a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
@@ -158,6 +158,8 @@ public:
             current_pattern->function->destroy(place_for_aggregate_state.data());
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/IBlockInputStream.h b/dbms/src/DataStreams/IBlockInputStream.h
index 8a874ea127b..cfd2d478d75 100644
--- a/dbms/src/DataStreams/IBlockInputStream.h
+++ b/dbms/src/DataStreams/IBlockInputStream.h
@@ -48,6 +48,13 @@ class IBlockInputStream : private boost::noncopyable
 public:
     IBlockInputStream() {}
 
+    /** Get data structure of the stream in a form of "header" block (it is also called "sample block").
+      * Header block contains column names, data types, and constant columns.
+      * If the column is not constant (and not dummy), then the header block will contain nullptr instead of column.
+      * It is guaranteed that method "read" returns blocks of exactly that structure.
+      */
+    virtual Block getHeader() = 0;
+
     /** Read next block.
       * If there are no more blocks, return an empty block (for which operator `bool` returns false).
       * NOTE: Only one thread can read from one instance of IBlockInputStream simultaneously.
diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
index 8b53cd6bd01..16baca6e0c9 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
@@ -1,10 +1,20 @@
+#include <Parsers/ASTInsertQuery.h>
+#include <Interpreters/Context.h>
+#include <IO/ConcatReadBuffer.h>
 #include <IO/ReadBufferFromMemory.h>
+#include <DataStreams/BlockIO.h>
 #include <DataStreams/InputStreamFromASTInsertQuery.h>
 
 
 namespace DB
 {
 
+namespace ErrorCodes
+{
+    extern const int LOGICAL_ERROR;
+}
+
+
 InputStreamFromASTInsertQuery::InputStreamFromASTInsertQuery(
     const ASTPtr & ast, ReadBuffer & input_buffer_tail_part, const BlockIO & streams, Context & context)
 {
@@ -19,19 +29,18 @@ InputStreamFromASTInsertQuery::InputStreamFromASTInsertQuery(
 
     /// Data could be in parsed (ast_insert_query.data) and in not parsed yet (input_buffer_tail_part) part of query.
 
-    input_buffer_ast_part = std::make_unique<ReadBufferFromMemory>(
-        ast_insert_query->data, ast_insert_query->data ? ast_insert_query->end - ast_insert_query->data : 0);
+    input_buffer_ast_part = ReadBufferFromMemory(ast_insert_query->data, ast_insert_query->data ? ast_insert_query->end - ast_insert_query->data : 0);
 
     ConcatReadBuffer::ReadBuffers buffers;
     if (ast_insert_query->data)
-        buffers.push_back(input_buffer_ast_part.get());
+        buffers.push_back(&input_buffer_ast_part.value());
     buffers.push_back(&input_buffer_tail_part);
 
     /** NOTE Must not read from 'input_buffer_tail_part' before read all between 'ast_insert_query.data' and 'ast_insert_query.end'.
         * - because 'query.data' could refer to memory piece, used as buffer for 'input_buffer_tail_part'.
         */
 
-    input_buffer_contacenated = std::make_unique<ConcatReadBuffer>(buffers);
+    input_buffer_contacenated = ConcatReadBuffer(buffers);
 
     res_stream = context.getInputFormat(format, *input_buffer_contacenated, streams.out_sample, context.getSettings().max_insert_block_size);
 }
diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
index 622ff46d424..2eeb095e202 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
@@ -1,20 +1,16 @@
 #pragma once
 
-#include <Parsers/ASTInsertQuery.h>
-#include <Interpreters/Context.h>
-#include <IO/ConcatReadBuffer.h>
+#include <Parsers/IAST.h>
 #include <DataStreams/IProfilingBlockInputStream.h>
-#include <DataStreams/BlockIO.h>
 #include <cstddef>
+#include <optional>
 
 
 namespace DB
 {
 
-namespace ErrorCodes
-{
-    extern const int LOGICAL_ERROR;
-}
+struct BlockIO;
+class Context;
 
 /** Prepares an input stream which produce data containing in INSERT query
   * Head of inserting data could be stored in INSERT ast directly
@@ -23,7 +19,6 @@ namespace ErrorCodes
 class InputStreamFromASTInsertQuery : public IProfilingBlockInputStream
 {
 public:
-
     InputStreamFromASTInsertQuery(const ASTPtr & ast, ReadBuffer & input_buffer_tail_part, const BlockIO & streams, Context & context);
 
     Block readImpl() override { return res_stream->read(); }
@@ -33,10 +28,11 @@ public:
     String getName() const override { return "InputStreamFromASTInsertQuery"; }
     String getID() const override { return "InputStreamFromASTInsertQuery(" + toString(std::intptr_t(this)) + ")"; }
 
-private:
+    Block getHeader() override { return res_stream->getHeader(); }
 
-    std::unique_ptr<ReadBuffer> input_buffer_ast_part;
-    std::unique_ptr<ReadBuffer> input_buffer_contacenated;
+private:
+    std::optional<ReadBuffer> input_buffer_ast_part;
+    std::optional<ReadBuffer> input_buffer_contacenated;
 
     BlockInputStreamPtr res_stream;
 };
diff --git a/dbms/src/DataStreams/LazyBlockInputStream.h b/dbms/src/DataStreams/LazyBlockInputStream.h
index 8cf4f3a293d..a241c0f1c32 100644
--- a/dbms/src/DataStreams/LazyBlockInputStream.h
+++ b/dbms/src/DataStreams/LazyBlockInputStream.h
@@ -34,55 +34,21 @@ public:
         IProfilingBlockInputStream::cancel();
     }
 
+    Block getHeader() override
+    {
+        init();
+        if (!input)
+            return {};
+
+        return input->getHeader();
+    }
+
 protected:
     Block readImpl() override
     {
+        init();
         if (!input)
-        {
-            input = generator();
-
-            if (!input)
-                return Block();
-
-            auto * p_input = dynamic_cast<IProfilingBlockInputStream *>(input.get());
-
-            if (p_input)
-            {
-                /// They could have been set before, but were not passed into the `input`.
-                if (progress_callback)
-                    p_input->setProgressCallback(progress_callback);
-                if (process_list_elem)
-                    p_input->setProcessListElement(process_list_elem);
-            }
-
-            input->readPrefix();
-
-            {
-                std::lock_guard<std::mutex> lock(cancel_mutex);
-
-                /** TODO Data race here. See IProfilingBlockInputStream::collectAndSendTotalRowsApprox.
-                    Assume following pipeline:
-
-                    RemoteBlockInputStream
-                     AsynchronousBlockInputStream
-                      LazyBlockInputStream
-
-                    RemoteBlockInputStream calls AsynchronousBlockInputStream::readPrefix
-                     and AsynchronousBlockInputStream spawns a thread and returns.
-
-                    The separate thread will call LazyBlockInputStream::read
-                     LazyBlockInputStream::read will add more children to itself
-
-                    In the same moment, in main thread, RemoteBlockInputStream::read is called,
-                     then IProfilingBlockInputStream::collectAndSendTotalRowsApprox is called
-                     and iterates over set of children.
-                  */
-                children.push_back(input);
-
-                if (isCancelled() && p_input)
-                    p_input->cancel();
-            }
-        }
+            return {};
 
         return input->read();
     }
@@ -91,9 +57,61 @@ private:
     const char * name = "Lazy";
     Generator generator;
 
+    bool initialized = false;
     BlockInputStreamPtr input;
 
     std::mutex cancel_mutex;
+
+    void init()
+    {
+        if (initialized)
+            return;
+
+        input = generator();
+        initialized = true;
+
+        if (!input)
+            return;
+
+        auto * p_input = dynamic_cast<IProfilingBlockInputStream *>(input.get());
+
+        if (p_input)
+        {
+            /// They could have been set before, but were not passed into the `input`.
+            if (progress_callback)
+                p_input->setProgressCallback(progress_callback);
+            if (process_list_elem)
+                p_input->setProcessListElement(process_list_elem);
+        }
+
+        input->readPrefix();
+
+        {
+            std::lock_guard<std::mutex> lock(cancel_mutex);
+
+            /** TODO Data race here. See IProfilingBlockInputStream::collectAndSendTotalRowsApprox.
+                Assume following pipeline:
+
+                RemoteBlockInputStream
+                    AsynchronousBlockInputStream
+                    LazyBlockInputStream
+
+                RemoteBlockInputStream calls AsynchronousBlockInputStream::readPrefix
+                    and AsynchronousBlockInputStream spawns a thread and returns.
+
+                The separate thread will call LazyBlockInputStream::read
+                    LazyBlockInputStream::read will add more children to itself
+
+                In the same moment, in main thread, RemoteBlockInputStream::read is called,
+                    then IProfilingBlockInputStream::collectAndSendTotalRowsApprox is called
+                    and iterates over set of children.
+                */
+            children.push_back(input);
+
+            if (isCancelled() && p_input)
+                p_input->cancel();
+        }
+    }
 };
 
 }
diff --git a/dbms/src/DataStreams/LimitBlockInputStream.h b/dbms/src/DataStreams/LimitBlockInputStream.h
index 23bd5739aaf..209af3a3297 100644
--- a/dbms/src/DataStreams/LimitBlockInputStream.h
+++ b/dbms/src/DataStreams/LimitBlockInputStream.h
@@ -28,6 +28,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/LimitByBlockInputStream.cpp b/dbms/src/DataStreams/LimitByBlockInputStream.cpp
index 8822f08d5b8..b77c2b6e659 100644
--- a/dbms/src/DataStreams/LimitByBlockInputStream.cpp
+++ b/dbms/src/DataStreams/LimitByBlockInputStream.cpp
@@ -1,4 +1,6 @@
 #include <DataStreams/LimitByBlockInputStream.h>
+#include <Common/SipHash.h>
+
 
 namespace DB
 {
diff --git a/dbms/src/DataStreams/LimitByBlockInputStream.h b/dbms/src/DataStreams/LimitByBlockInputStream.h
index 09eb357ca2e..6d30d0dca9d 100644
--- a/dbms/src/DataStreams/LimitByBlockInputStream.h
+++ b/dbms/src/DataStreams/LimitByBlockInputStream.h
@@ -3,9 +3,9 @@
 #include <DataStreams/IProfilingBlockInputStream.h>
 
 #include <Common/HashTable/HashMap.h>
-#include <Common/SipHash.h>
 #include <Common/UInt128.h>
 
+
 namespace DB
 {
 
@@ -22,6 +22,8 @@ public:
 
     String getName() const override { return "LimitBy"; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
index b7ae5c6c000..56cdc4eb53f 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
@@ -22,6 +22,18 @@ String MaterializingBlockInputStream::getID() const
     return res.str();
 }
 
+Block MaterializingBlockInputStream::getHeader()
+{
+    Block res = children.back()->getHeader();
+
+    /// Constant columns become non constant.
+    for (auto & elem : res)
+        if (!elem.column->isColumnConst())
+            elem.column = nullptr;
+
+    return res;
+}
+
 Block MaterializingBlockInputStream::readImpl()
 {
     return materializeBlock(children.back()->read());
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.h b/dbms/src/DataStreams/MaterializingBlockInputStream.h
index feeca05298e..2a4b127440e 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.h
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.h
@@ -13,6 +13,7 @@ public:
     MaterializingBlockInputStream(const BlockInputStreamPtr & input);
     String getName() const override;
     String getID() const override;
+    Block getHeader() override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MergeSortingBlockInputStream.h b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
index 4a97d214a79..cc97aec799f 100644
--- a/dbms/src/DataStreams/MergeSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
@@ -39,6 +39,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
@@ -96,6 +98,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
index 63b42c31980..cf434eb05f0 100644
--- a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
@@ -6,6 +6,11 @@
 namespace DB
 {
 
+Block MergingAggregatedBlockInputStream::getHeader()
+{
+    return aggregator.getHeader(final);
+}
+
 
 Block MergingAggregatedBlockInputStream::readImpl()
 {
diff --git a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
index f133524d0f1..e82bce0ab30 100644
--- a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
@@ -29,6 +29,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
index 10273caff24..6032e2d7c7c 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
@@ -90,6 +90,12 @@ MergingAggregatedMemoryEfficientBlockInputStream::MergingAggregatedMemoryEfficie
 }
 
 
+Block MergingAggregatedMemoryEfficientBlockInputStream::getHeader()
+{
+    return aggregator.getHeader(final);
+}
+
+
 String MergingAggregatedMemoryEfficientBlockInputStream::getID() const
 {
     std::stringstream res;
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
index f1300ee12af..b4dad7979ed 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
@@ -80,6 +80,8 @@ public:
       */
     void cancel() override;
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/MergingSortedBlockInputStream.h b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
index d08b9d49021..7a5a3f06d2b 100644
--- a/dbms/src/DataStreams/MergingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
@@ -74,6 +74,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     struct RowRef
     {
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.cpp b/dbms/src/DataStreams/NativeBlockInputStream.cpp
index 0571bc08359..7049a51ed1b 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NativeBlockInputStream.cpp
@@ -19,6 +19,7 @@ namespace ErrorCodes
     extern const int INCORRECT_INDEX;
     extern const int LOGICAL_ERROR;
     extern const int CANNOT_READ_ALL_DATA;
+    extern const int NOT_IMPLEMENTED;
 }
 
 NativeBlockInputStream::NativeBlockInputStream(
@@ -50,6 +51,19 @@ void NativeBlockInputStream::readData(const IDataType & type, IColumn & column,
 }
 
 
+Block NativeBlockInputStream::getHeader()
+{
+    /// Note: we may read first block and stash it for further use just to get header.
+    if (!use_index)
+        throw Exception("Method getHeader for NativeBlockInputStream requires index", ErrorCodes::NOT_IMPLEMENTED);
+
+    Block res;
+    for (const auto & column : index_block_it->columns)
+        res.insert({ nullptr, DataTypeFactory::instance().get(column.type), column.name });
+    return res;
+}
+
+
 Block NativeBlockInputStream::readImpl()
 {
     Block res;
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.h b/dbms/src/DataStreams/NativeBlockInputStream.h
index b1df20a782a..179840102e7 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.h
+++ b/dbms/src/DataStreams/NativeBlockInputStream.h
@@ -81,6 +81,8 @@ public:
 
     static void readData(const IDataType & type, IColumn & column, ReadBuffer & istr, size_t rows, double avg_value_size_hint);
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
index cd7823f236d..a32f8bbde7c 100644
--- a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
+++ b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
@@ -35,6 +35,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return {}; }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/NullBlockInputStream.h b/dbms/src/DataStreams/NullBlockInputStream.h
index fad7eb6629b..fa3abdecae8 100644
--- a/dbms/src/DataStreams/NullBlockInputStream.h
+++ b/dbms/src/DataStreams/NullBlockInputStream.h
@@ -6,14 +6,19 @@
 namespace DB
 {
 
-/** Empty stream of blocks.
+/** Empty stream of blocks of specified structure.
   */
 class NullBlockInputStream : public IBlockInputStream
 {
 public:
-    Block read() override { return Block(); }
+    NullBlockInputStream(const Block & header) : header(header) {}
+
+    Block read() override { return {}; }
+    Block getHeader() override { return header; }
     String getName() const override { return "Null"; }
 
+private:
+    Block header;
 };
 
 }
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp b/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
index 50285284f21..1411ed794f5 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
@@ -17,6 +17,7 @@ namespace ErrorCodes
 NullableAdapterBlockInputStream::NullableAdapterBlockInputStream(
     const BlockInputStreamPtr & input,
     const Block & in_sample_, const Block & out_sample_)
+    : header(out_sample_)
 {
     buildActions(in_sample_, out_sample_);
     children.push_back(input);
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
index c8fd4c11292..05805cb22c9 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
@@ -25,6 +25,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return header; }
+
 protected:
     Block readImpl() override;
 
@@ -52,6 +54,7 @@ private:
     void buildActions(const Block & in_sample, const Block & out_sample);
 
 private:
+    Block header;
     Actions actions;
     std::vector<std::optional<String>> rename;
     bool must_transform = false;
diff --git a/dbms/src/DataStreams/OneBlockInputStream.h b/dbms/src/DataStreams/OneBlockInputStream.h
index 1a7bbe7efb8..aa023a3d58c 100644
--- a/dbms/src/DataStreams/OneBlockInputStream.h
+++ b/dbms/src/DataStreams/OneBlockInputStream.h
@@ -16,6 +16,14 @@ public:
 
     String getName() const override { return "One"; }
 
+    Block getHeader() override
+    {
+        Block res;
+        for (const auto & elem : block)
+            res.insert({ elem.column->isColumnConst() ? elem.column->cloneEmpty() : nullptr, elem.type, elem.name });
+        return res;
+    }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/OwningBlockInputStream.h b/dbms/src/DataStreams/OwningBlockInputStream.h
index 1c1d1acf3bc..2da059abdea 100644
--- a/dbms/src/DataStreams/OwningBlockInputStream.h
+++ b/dbms/src/DataStreams/OwningBlockInputStream.h
@@ -20,6 +20,8 @@ public:
         children.push_back(stream);
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 private:
     Block readImpl() override { return stream->read(); }
 
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
index 92bfe5e1f9e..4419581cd28 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
@@ -29,6 +29,12 @@ ParallelAggregatingBlockInputStream::ParallelAggregatingBlockInputStream(
 }
 
 
+Block ParallelAggregatingBlockInputStream::getHeader()
+{
+    return aggregator.getHeader(final);
+}
+
+
 String ParallelAggregatingBlockInputStream::getID() const
 {
     std::stringstream res;
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
index 71a13e94ac4..5a4e33c29c9 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
@@ -31,6 +31,8 @@ public:
 
     void cancel() override;
 
+    Block getHeader() override;
+
 protected:
     /// Do nothing that preparation to execution of the query be done in parallel, in ParallelInputsProcessor.
     void readPrefix() override
diff --git a/dbms/src/DataStreams/PartialSortingBlockInputStream.h b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
index f46fa8e5ca5..c8da17cc278 100644
--- a/dbms/src/DataStreams/PartialSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
@@ -39,6 +39,8 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/QueueBlockIOStream.h b/dbms/src/DataStreams/QueueBlockIOStream.h
deleted file mode 100644
index cb5fed7eb1c..00000000000
--- a/dbms/src/DataStreams/QueueBlockIOStream.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#pragma once
-
-#include <limits>
-
-#include <Common/ConcurrentBoundedQueue.h>
-
-#include <DataStreams/IProfilingBlockInputStream.h>
-#include <DataStreams/IBlockOutputStream.h>
-
-
-namespace DB
-{
-
-
-/** Is both an InputStream and an OutputStream.
-  * When writing, puts the blocks in the queue.
-  * When reading, it takes them out of the queue.
-  * A thread-safe queue is used.
-  * If the queue is empty, the read is blocked.
-  * If the queue is full, the write is blocked.
-  *
-  * Used to temporarily store the result somewhere, and later pass it further.
-  * Also used for synchronization, when you need to make several sources from one
-  *  - for single-pass execution of several queries at once.
-  * It can also be used for parallelization: several threads put blocks in the queue, and one - takes out.
-  */
-
-class QueueBlockIOStream : public IProfilingBlockInputStream, public IBlockOutputStream
-{
-public:
-    QueueBlockIOStream(size_t queue_size_ = std::numeric_limits<int>::max())
-        : queue_size(queue_size_), queue(queue_size) {}
-
-    String getName() const override { return "QueueBlockIOStream"; }
-
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
-    void write(const Block & block) override
-    {
-        queue.push(block);
-    }
-
-    void cancel() override
-    {
-        IProfilingBlockInputStream::cancel();
-        queue.clear();
-    }
-
-protected:
-    Block readImpl() override
-    {
-        Block res;
-        queue.pop(res);
-        return res;
-    }
-
-private:
-    size_t queue_size;
-
-    using Queue = ConcurrentBoundedQueue<Block>;
-    Queue queue;
-};
-
-}
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 31577f27846..5a949ffcbbf 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -148,7 +148,8 @@ void RemoteBlockInputStream::sendExternalTables()
     multiplexed_connections->sendExternalTablesData(external_tables_data);
 }
 
-Block RemoteBlockInputStream::readImpl()
+
+Block RemoteBlockInputStream::receiveBlock()
 {
     if (!sent_query)
     {
@@ -161,17 +162,14 @@ Block RemoteBlockInputStream::readImpl()
     while (true)
     {
         if (isCancelled())
-            return Block();
+            return {};
 
         Connection::Packet packet = multiplexed_connections->receivePacket();
 
         switch (packet.type)
         {
             case Protocol::Server::Data:
-                /// If the block is not empty and is not a header block
-                if (packet.block && (packet.block.rows() > 0))
-                    return packet.block;
-                break;  /// If the block is empty - we will receive other packets before EndOfStream.
+                return packet.block;
 
             case Protocol::Server::Exception:
                 got_exception_from_replica = true;
@@ -182,7 +180,7 @@ Block RemoteBlockInputStream::readImpl()
                 if (!multiplexed_connections->hasActiveConnections())
                 {
                     finished = true;
-                    return Block();
+                    return {};
                 }
                 break;
 
@@ -216,6 +214,42 @@ Block RemoteBlockInputStream::readImpl()
     }
 }
 
+
+Block RemoteBlockInputStream::getHeader()
+{
+    if (header)
+        return header;
+
+    Block res = receiveBlock();
+    if (res.rows() > 0)
+        throw Exception("Logical error: the header block must be sent before data", ErrorCodes::LOGICAL_ERROR);
+
+    header = res;
+    return header;
+}
+
+
+Block RemoteBlockInputStream::readImpl()
+{
+    while (true)
+    {
+        Block res = receiveBlock();
+
+        if (finished)
+            return {};
+
+        /// If the block is empty - we will receive other packets before EndOfStream.
+        if (!res)
+            continue;
+
+        if (res.rows() > 0)
+            return res;
+
+        /// Block with zero rows is a header block. The data will be sent in a following packet.
+        header = res;
+    }
+}
+
 void RemoteBlockInputStream::readSuffixImpl()
 {
     /** If one of:
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.h b/dbms/src/DataStreams/RemoteBlockInputStream.h
index 2ee6aa2c6a5..c90f5fac904 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.h
@@ -78,6 +78,8 @@ public:
         return multiplexed_connections->getBlockExtraInfo();
     }
 
+    Block getHeader() override;
+
 protected:
     /// Send all temporary tables to remote servers
     void sendExternalTables();
@@ -95,10 +97,14 @@ protected:
 private:
     void sendQuery();
 
+    Block receiveBlock();
+
     /// If wasn't sent yet, send request to cancell all connections to replicas
     void tryCancel(const char * reason);
 
 private:
+    Block header;
+
     std::function<std::unique_ptr<MultiplexedConnections>()> create_multiplexed_connections;
 
     std::unique_ptr<MultiplexedConnections> multiplexed_connections;
diff --git a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
index c8888440e28..f2fe0d3497e 100644
--- a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
@@ -34,6 +34,17 @@ public:
         return res.str();
     }
 
+    Block getHeader() override
+    {
+        Block res = children.back()->getHeader();
+
+        for (const auto & it : columns_to_remove)
+            if (res.has(it))
+                res.erase(it);
+
+        return res;
+    }
+
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
index 0e7fdadc25a..b8962439ed7 100644
--- a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
@@ -41,6 +41,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/SquashingBlockInputStream.h b/dbms/src/DataStreams/SquashingBlockInputStream.h
index 7d2583d35ba..6946f7ba63d 100644
--- a/dbms/src/DataStreams/SquashingBlockInputStream.h
+++ b/dbms/src/DataStreams/SquashingBlockInputStream.h
@@ -23,6 +23,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/SummingSortedBlockInputStream.h b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
index 6a81db02ea4..466ae021275 100644
--- a/dbms/src/DataStreams/SummingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
@@ -37,6 +37,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index b8323eee874..5ad1542b36f 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -70,7 +70,7 @@ const Block & TotalsHavingBlockInputStream::getTotals()
                 addToTotals(current_totals, overflow_aggregates, nullptr);
         }
 
-        totals = header.cloneWithColumns(std::move(current_totals));
+        totals = unfinalized_header.cloneWithColumns(std::move(current_totals));
         finalize(totals);
     }
 
@@ -81,8 +81,20 @@ const Block & TotalsHavingBlockInputStream::getTotals()
 }
 
 
+Block TotalsHavingBlockInputStream::getHeader()
+{
+    unfinalized_header = children.at(0)->getHeader();
+    auto res = unfinalized_header;
+    finalize(res);
+    return res;
+}
+
+
 Block TotalsHavingBlockInputStream::readImpl()
 {
+    if (!unfinalized_header)
+        getHeader();
+
     Block finalized;
     Block block;
 
@@ -90,9 +102,6 @@ Block TotalsHavingBlockInputStream::readImpl()
     {
         block = children[0]->read();
 
-        if (!header)
-            header = block.cloneEmpty();
-
         /// Block with values not included in `max_rows_to_group_by`. We'll postpone it.
         if (overflow_row && block && block.info.is_overflows)
         {
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
index 5c0c3dd7cf2..f01a71d5b45 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
@@ -30,6 +30,8 @@ public:
 
     const Block & getTotals() override;
 
+    Block getHeader() override;
+
 protected:
     Block readImpl() override;
 
@@ -42,7 +44,7 @@ private:
     size_t passed_keys = 0;
     size_t total_keys = 0;
 
-    Block header;
+    Block unfinalized_header;
 
     /** Here are the values that did not pass max_rows_to_group_by.
       * They are added or not added to the current_totals, depending on the totals_mode.
diff --git a/dbms/src/DataStreams/UnionBlockInputStream.h b/dbms/src/DataStreams/UnionBlockInputStream.h
index 60639002e9f..6bbef8e370f 100644
--- a/dbms/src/DataStreams/UnionBlockInputStream.h
+++ b/dbms/src/DataStreams/UnionBlockInputStream.h
@@ -139,6 +139,8 @@ public:
         return doGetBlockExtraInfo();
     }
 
+    Block getHeader() override { return children.at(0)->getHeader(); }
+
 protected:
     void finalize()
     {
diff --git a/dbms/src/DataStreams/glueBlockInputStreams.cpp b/dbms/src/DataStreams/glueBlockInputStreams.cpp
deleted file mode 100644
index e07d898d57c..00000000000
--- a/dbms/src/DataStreams/glueBlockInputStreams.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#include <set>
-
-#include <DataStreams/glueBlockInputStreams.h>
-
-
-namespace DB
-{
-
-
-using IDsMap = std::map<String, BlockInputStreams>;
-using ForksMap = std::map<String, ForkPtr>;
-
-
-static void createIDsMap(BlockInputStreamPtr & node, IDsMap & ids_map)
-{
-    ids_map[node->getID()].push_back(node);
-
-    BlockInputStreams & children = node->getChildren();
-    for (size_t i = 0, size = children.size(); i < size; ++i)
-        createIDsMap(children[i], ids_map);
-}
-
-
-static void glue(BlockInputStreamPtr & node, IDsMap & ids_map, ForksMap & forks_map)
-{
-    String id = node->getID();
-    if (ids_map.end() != ids_map.find(id) && ids_map[id].size() > 1)
-    {
-        /// Insert a "fork" or use an existing one.
-        if (forks_map.end() == forks_map.find(id))
-        {
-            forks_map[id] = std::make_shared<ForkBlockInputStreams>(node);
-            std::cerr << "Forking at " << id << std::endl;
-        }
-
-        std::cerr << "Replacing node with fork end" << std::endl;
-        node = forks_map[id]->createInput();
-    }
-    else
-    {
-        BlockInputStreams & children = node->getChildren();
-        for (size_t i = 0, size = children.size(); i < size; ++i)
-            glue(children[i], ids_map, forks_map);
-    }
-}
-
-
-void glueBlockInputStreams(BlockInputStreams & inputs, Forks & forks)
-{
-    IDsMap ids_map;
-    for (size_t i = 0, size = inputs.size(); i < size; ++i)
-        createIDsMap(inputs[i], ids_map);
-
-    ForksMap forks_map;
-    for (size_t i = 0, size = inputs.size(); i < size; ++i)
-        glue(inputs[i], ids_map, forks_map);
-
-    for (ForksMap::iterator it = forks_map.begin(); it != forks_map.end(); ++it)
-        forks.push_back(it->second);
-}
-
-
-}
diff --git a/dbms/src/DataStreams/glueBlockInputStreams.h b/dbms/src/DataStreams/glueBlockInputStreams.h
deleted file mode 100644
index bf0272b675c..00000000000
--- a/dbms/src/DataStreams/glueBlockInputStreams.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#pragma once
-
-#include <DataStreams/ForkBlockInputStreams.h>
-
-
-namespace DB
-{
-
-/** If passed sources (query execution pipelines) have the same parts,
-  *  then glues these parts, replacing them with one source and inserting "forks" (multipliers).
-  * This is used for single-pass execution of multiple queries.
-  *
-  * To execute a glued pipeline, all `inputs` and `forks` must be used in different threads.
-  */
-void glueBlockInputStreams(BlockInputStreams & inputs, Forks & forks);
-
-}
diff --git a/dbms/src/DataStreams/tests/CMakeLists.txt b/dbms/src/DataStreams/tests/CMakeLists.txt
index d71dd23b23f..8c3acb1332e 100644
--- a/dbms/src/DataStreams/tests/CMakeLists.txt
+++ b/dbms/src/DataStreams/tests/CMakeLists.txt
@@ -28,9 +28,3 @@ target_link_libraries (union_stream2 dbms)
 
 add_executable (collapsing_sorted_stream collapsing_sorted_stream.cpp ${SRCS})
 target_link_libraries (collapsing_sorted_stream dbms)
-
-add_executable (fork_streams fork_streams.cpp ${SRCS})
-target_link_libraries (fork_streams dbms clickhouse_storages_system)
-
-add_executable (glue_streams glue_streams.cpp ${SRCS})
-target_link_libraries (glue_streams dbms)
diff --git a/dbms/src/DataStreams/tests/fork_streams.cpp b/dbms/src/DataStreams/tests/fork_streams.cpp
deleted file mode 100644
index 094533cc477..00000000000
--- a/dbms/src/DataStreams/tests/fork_streams.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <iostream>
-#include <iomanip>
-#include <thread>
-
-#include <IO/WriteBufferFromOStream.h>
-
-#include <Storages/System/StorageSystemNumbers.h>
-
-#include <DataStreams/LimitBlockInputStream.h>
-#include <DataStreams/ExpressionBlockInputStream.h>
-#include <DataStreams/FilterBlockInputStream.h>
-#include <DataStreams/TabSeparatedRowOutputStream.h>
-#include <DataStreams/ForkBlockInputStreams.h>
-#include <DataStreams/copyData.h>
-
-#include <DataTypes/DataTypesNumber.h>
-
-#include <Parsers/ParserSelectQuery.h>
-#include <Parsers/parseQuery.h>
-#include <Parsers/formatAST.h>
-
-#include <Interpreters/ExpressionAnalyzer.h>
-#include <Interpreters/ExpressionActions.h>
-#include <Interpreters/Context.h>
-
-
-void thread1(DB::BlockInputStreamPtr in, DB::BlockOutputStreamPtr out, DB::WriteBuffer & out_buf)
-{
-    while (DB::Block block = in->read())
-    {
-        out->write(block);
-        out_buf.next();
-    }
-}
-
-void thread2(DB::BlockInputStreamPtr in, DB::BlockOutputStreamPtr out, DB::WriteBuffer & out_buf)
-{
-    while (DB::Block block = in->read())
-    {
-        out->write(block);
-        out_buf.next();
-    }
-}
-
-
-int main(int, char **)
-try
-{
-    using namespace DB;
-
-    std::string input = "SELECT number, number % 10000000 == 1";
-
-    ParserSelectQuery parser;
-    ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "");
-
-    formatAST(*ast, std::cerr);
-    std::cerr << std::endl;
-
-    Context context = Context::createGlobal();
-
-    ExpressionAnalyzer analyzer(ast, context, {}, {NameAndTypePair("number", std::make_shared<DataTypeUInt64>())});
-    ExpressionActionsChain chain;
-    analyzer.appendSelect(chain, false);
-    analyzer.appendProjectResult(chain);
-    chain.finalize();
-    ExpressionActionsPtr expression = chain.getLastActions();
-
-    StoragePtr table = StorageSystemNumbers::create("numbers", false);
-
-    Names column_names;
-    column_names.push_back("number");
-
-    QueryProcessingStage::Enum stage;
-
-    BlockInputStreamPtr in = table->read(column_names, {}, context, stage, 8192, 1)[0];
-
-    ForkBlockInputStreams fork(in);
-
-    BlockInputStreamPtr in1 = fork.createInput();
-    BlockInputStreamPtr in2 = fork.createInput();
-
-    in1 = std::make_shared<FilterBlockInputStream>(in1, expression, 1);
-    in1 = std::make_shared<LimitBlockInputStream>(in1, 10, 0);
-
-    in2 = std::make_shared<FilterBlockInputStream>(in2, expression, 1);
-    in2 = std::make_shared<LimitBlockInputStream>(in2, 20, 5);
-
-    Block out_sample = expression->getSampleBlock();
-
-    WriteBufferFromOStream ob1(std::cout);
-    WriteBufferFromOStream ob2(std::cerr);
-
-    BlockOutputStreamPtr out1 = context.getOutputFormat("TabSeparated", ob1, out_sample);
-    BlockOutputStreamPtr out2 = context.getOutputFormat("TabSeparated", ob2, out_sample);
-
-    std::thread thr1(std::bind(thread1, in1, out1, std::ref(ob1)));
-    std::thread thr2(std::bind(thread2, in2, out2, std::ref(ob2)));
-
-    fork.run();
-
-    thr1.join();
-    thr2.join();
-
-    return 0;
-}
-catch (const DB::Exception & e)
-{
-    std::cerr << e.what() << ", " << e.displayText() << std::endl;
-    throw;
-}
diff --git a/dbms/src/DataStreams/tests/glue_streams.cpp b/dbms/src/DataStreams/tests/glue_streams.cpp
deleted file mode 100644
index 87a5a98d773..00000000000
--- a/dbms/src/DataStreams/tests/glue_streams.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-#include <iostream>
-#include <iomanip>
-
-#include <common/ThreadPool.h>
-
-#include <IO/WriteBufferFromFileDescriptor.h>
-
-#include <Interpreters/Context.h>
-#include <Interpreters/loadMetadata.h>
-#include <Interpreters/executeQuery.h>
-
-#include <DataStreams/glueBlockInputStreams.h>
-
-
-using namespace DB;
-
-
-void inputThread(const BlockInputStreamPtr & in, BlockOutputStreamPtr out, WriteBuffer & wb, std::mutex & mutex)
-{
-    while (Block block = in->read())
-    {
-        std::lock_guard<std::mutex> lock(mutex);
-
-        out->write(block);
-        wb.next();
-    }
-}
-
-void forkThread(ForkPtr fork)
-{
-    fork->run();
-}
-
-
-int main(int, char **)
-try
-{
-    Context context = Context::createGlobal();
-
-    context.setGlobalContext(context);
-    context.setPath("./");
-
-    loadMetadata(context);
-
-    context.setCurrentDatabase("default");
-    context.setSetting("max_threads", UInt64(1));
-
-    BlockIO io1 = executeQuery(
-        "SELECT SearchPhrase, count()"
-            " FROM hits"
-            " WHERE SearchPhrase != ''"
-            " GROUP BY SearchPhrase"
-            " ORDER BY count() DESC"
-            " LIMIT 10",
-        context, false, QueryProcessingStage::Complete);
-
-    BlockIO io2 = executeQuery(
-        "SELECT count()"
-            " FROM hits"
-            " WHERE SearchPhrase != ''",
-        context, false, QueryProcessingStage::Complete);
-
-    WriteBufferFromFileDescriptor wb(STDOUT_FILENO);
-
-    BlockOutputStreamPtr out1 = context.getOutputFormat("TabSeparated", wb, io1.in_sample);
-    BlockOutputStreamPtr out2 = context.getOutputFormat("TabSeparated", wb, io2.in_sample);
-
-    BlockInputStreams inputs;
-    inputs.push_back(io1.in);
-    inputs.push_back(io2.in);
-
-    for (size_t i = 0; i < inputs.size(); ++i)
-        std::cerr << inputs[i]->getID() << std::endl;
-
-    Forks forks;
-
-    glueBlockInputStreams(inputs, forks);
-
-    std::cerr << forks.size() << std::endl;
-
-    std::mutex mutex;
-
-    ThreadPool pool(inputs.size() + forks.size());
-
-    pool.schedule(std::bind(inputThread, inputs[0], out1, std::ref(wb), std::ref(mutex)));
-    pool.schedule(std::bind(inputThread, inputs[1], out2, std::ref(wb), std::ref(mutex)));
-
-    for (size_t i = 0; i < forks.size(); ++i)
-        pool.schedule(std::bind(forkThread, forks[i]));
-
-    pool.wait();
-    return 0;
-}
-catch (const DB::Exception & e)
-{
-    std::cerr << e.what() << ", " << e.displayText() << std::endl;
-    throw;
-}
diff --git a/dbms/src/Databases/DatabaseMemory.cpp b/dbms/src/Databases/DatabaseMemory.cpp
index 1191339bbeb..cdbfedb6326 100644
--- a/dbms/src/Databases/DatabaseMemory.cpp
+++ b/dbms/src/Databases/DatabaseMemory.cpp
@@ -138,7 +138,8 @@ void DatabaseMemory::shutdown()
         tables_snapshot = tables;
     }
 
-    for (const auto & kv: tables_snapshot) {
+    for (const auto & kv: tables_snapshot)
+    {
         kv.second->shutdown();
     }
 
diff --git a/dbms/src/Databases/DatabaseOrdinary.cpp b/dbms/src/Databases/DatabaseOrdinary.cpp
index 9510f0a0704..b305bcc7a22 100644
--- a/dbms/src/Databases/DatabaseOrdinary.cpp
+++ b/dbms/src/Databases/DatabaseOrdinary.cpp
@@ -427,7 +427,8 @@ void DatabaseOrdinary::shutdown()
         tables_snapshot = tables;
     }
 
-    for (const auto & kv: tables_snapshot) {
+    for (const auto & kv: tables_snapshot)
+    {
         kv.second->shutdown();
     }
 
diff --git a/dbms/src/Dictionaries/ComplexKeyCacheDictionary.h b/dbms/src/Dictionaries/ComplexKeyCacheDictionary.h
index e749a4ad67c..7bbd6b6574d 100644
--- a/dbms/src/Dictionaries/ComplexKeyCacheDictionary.h
+++ b/dbms/src/Dictionaries/ComplexKeyCacheDictionary.h
@@ -474,14 +474,16 @@ private:
         if (!outdated_keys.empty())
         {
             std::vector<size_t> required_rows(outdated_keys.size());
-            std::transform(std::begin(outdated_keys), std::end(outdated_keys), std::begin(required_rows), [](auto & pair) {
+            std::transform(std::begin(outdated_keys), std::end(outdated_keys), std::begin(required_rows), [](auto & pair)
+            {
                 return pair.second.front();
             });
 
             update(key_columns,
                 keys_array,
                 required_rows,
-                [&](const StringRef key, const size_t cell_idx) {
+                [&](const StringRef key, const size_t cell_idx)
+                {
                     const StringRef attribute_value = attribute_array[cell_idx];
 
                     /// We must copy key and value to own memory, because it may be replaced with another
@@ -492,7 +494,8 @@ private:
                     map[copied_key] = copied_value;
                     total_length += (attribute_value.size + 1) * outdated_keys[key].size();
                 },
-                [&](const StringRef key, const size_t) {
+                [&](const StringRef key, const size_t)
+                {
                     for (const auto row : outdated_keys[key])
                         total_length += get_default(row).size + 1;
                 });
diff --git a/dbms/src/Dictionaries/ComplexKeyHashedDictionary.cpp b/dbms/src/Dictionaries/ComplexKeyHashedDictionary.cpp
index 907bb7faf6f..f8f770e8bda 100644
--- a/dbms/src/Dictionaries/ComplexKeyHashedDictionary.cpp
+++ b/dbms/src/Dictionaries/ComplexKeyHashedDictionary.cpp
@@ -244,12 +244,14 @@ void ComplexKeyHashedDictionary::loadData()
         element_count += rows;
 
         const auto key_column_ptrs = ext::map<Columns>(ext::range(0, keys_size),
-            [&] (const size_t attribute_idx) {
+            [&] (const size_t attribute_idx)
+            {
                 return block.safeGetByPosition(attribute_idx).column;
             });
 
         const auto attribute_column_ptrs = ext::map<Columns>(ext::range(0, attributes_size),
-            [&] (const size_t attribute_idx) {
+            [&] (const size_t attribute_idx)
+            {
                 return block.safeGetByPosition(keys_size + attribute_idx).column;
             });
 
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStream.h b/dbms/src/Dictionaries/DictionaryBlockInputStream.h
index af0da844904..9c961b0fb9a 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStream.h
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStream.h
@@ -31,7 +31,7 @@ public:
                                const std::vector<StringRef> & keys, const Names & column_names);
 
     using GetColumnsFunction =
-        std::function<ColumnsWithTypeAndName(const Columns &, const std::vector<DictionaryAttribute>& attributes)>;
+        std::function<ColumnsWithTypeAndName(const Columns &, const std::vector<DictionaryAttribute> & attributes)>;
     // Used to separate key columns format for storage and view.
     // Calls get_key_columns_function to get key column for dictionary get fuction call
     // and get_view_columns_function to get key representation.
@@ -41,7 +41,8 @@ public:
                                GetColumnsFunction && get_key_columns_function,
                                GetColumnsFunction && get_view_columns_function);
 
-    String getName() const override {
+    String getName() const override
+    {
         return "DictionaryBlockInputStream";
     }
 
@@ -96,7 +97,7 @@ private:
     ColumnPtr getColumnFromStringAttribute(Getter getter, const PaddedPODArray<Key> & ids,
                                            const Columns & keys, const DataTypes & data_types,
                                            const DictionaryAttribute& attribute, const DictionaryType& dictionary) const;
-    ColumnPtr getColumnFromIds(const PaddedPODArray<Key>& ids) const;
+    ColumnPtr getColumnFromIds(const PaddedPODArray<Key> & ids) const;
 
     void fillKeyColumns(const std::vector<StringRef> & keys, size_t start, size_t size,
                         const DictionaryStructure & dictionary_structure, ColumnsWithTypeAndName & columns) const;
@@ -107,7 +108,7 @@ private:
     ColumnsWithTypeAndName key_columns;
     Poco::Logger * logger;
     Block (DictionaryBlockInputStream<DictionaryType, Key>::*fillBlockFunction)(
-        const PaddedPODArray<Key>& ids, const Columns& keys,
+        const PaddedPODArray<Key> & ids, const Columns& keys,
         const DataTypes & types, ColumnsWithTypeAndName && view) const;
 
     Columns data_columns;
@@ -240,7 +241,7 @@ void DictionaryBlockInputStream<DictionaryType, Key>::callGetter(
 template <typename DictionaryType, typename Key>
 template <template <typename> class Getter, typename StringGetter>
 Block DictionaryBlockInputStream<DictionaryType, Key>::fillBlock(
-    const PaddedPODArray<Key>& ids, const Columns& keys, const DataTypes & types, ColumnsWithTypeAndName && view) const
+    const PaddedPODArray<Key> & ids, const Columns & keys, const DataTypes & types, ColumnsWithTypeAndName && view) const
 {
     std::unordered_set<std::string> names(column_names.begin(), column_names.end());
 
@@ -349,7 +350,7 @@ ColumnPtr DictionaryBlockInputStream<DictionaryType, Key>::getColumnFromStringAt
 }
 
 template <typename DictionaryType, typename Key>
-ColumnPtr DictionaryBlockInputStream<DictionaryType, Key>::getColumnFromIds(const PaddedPODArray<Key>& ids) const
+ColumnPtr DictionaryBlockInputStream<DictionaryType, Key>::getColumnFromIds(const PaddedPODArray<Key> & ids) const
 {
     auto column_vector = ColumnVector<UInt64>::create();
     column_vector->getData().reserve(ids.size());
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
index 468d91a231d..2900735d194 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
@@ -26,4 +26,15 @@ Block DictionaryBlockInputStreamBase::readImpl()
     return block;
 }
 
+Block DictionaryBlockInputStreamBase::getHeader()
+{
+    Block block = getBlock(0, 0);
+
+    /// Columns are non constant. Reset them for header block.
+    for (auto & elem : block)
+        elem.column = nullptr;
+
+    return block;
+}
+
 }
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
index 6f34f73c957..99da5c1f48b 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
@@ -15,13 +15,14 @@ protected:
 
     virtual Block getBlock(size_t start, size_t length) const = 0;
 
+    Block getHeader() override;
+
 private:
     const size_t rows_count;
     const size_t max_block_size;
-    size_t next_row;
+    size_t next_row = 0;
 
     Block readImpl() override;
-    void readPrefixImpl() override { next_row = 0; }
 };
 
 }
diff --git a/dbms/src/Dictionaries/Embedded/RegionsNames.h b/dbms/src/Dictionaries/Embedded/RegionsNames.h
index 9e4c53dbf5a..2cab42d9cd2 100644
--- a/dbms/src/Dictionaries/Embedded/RegionsNames.h
+++ b/dbms/src/Dictionaries/Embedded/RegionsNames.h
@@ -47,7 +47,8 @@ private:
     struct language_alias { const char * const name; const Language lang; };
     static const language_alias * getLanguageAliases()
     {
-        static constexpr const language_alias language_aliases[] {
+        static constexpr const language_alias language_aliases[]
+        {
             { "ru", Language::RU },
             { "en", Language::EN },
             { "ua", Language::UA },
diff --git a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
index 58b7445eb38..b169a8af130 100644
--- a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
+++ b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
@@ -101,6 +101,8 @@ public:
         }
     }
 
+    Block getHeader() override { return stream->getHeader(); };
+
 private:
     Block readImpl() override { return stream->read(); }
 
diff --git a/dbms/src/Dictionaries/FlatDictionary.cpp b/dbms/src/Dictionaries/FlatDictionary.cpp
index 72d852c15ce..f3fb15055f2 100644
--- a/dbms/src/Dictionaries/FlatDictionary.cpp
+++ b/dbms/src/Dictionaries/FlatDictionary.cpp
@@ -539,11 +539,8 @@ PaddedPODArray<FlatDictionary::Key> FlatDictionary::getIds() const
 
     PaddedPODArray<Key> ids;
     for (auto idx : ext::range(0, ids_count))
-    {
-        if (loaded_ids[idx]) {
+        if (loaded_ids[idx])
             ids.push_back(idx);
-        }
-    }
     return ids;
 }
 
diff --git a/dbms/src/Dictionaries/HashedDictionary.cpp b/dbms/src/Dictionaries/HashedDictionary.cpp
index e126dffc488..715867cef3e 100644
--- a/dbms/src/Dictionaries/HashedDictionary.cpp
+++ b/dbms/src/Dictionaries/HashedDictionary.cpp
@@ -494,9 +494,9 @@ PaddedPODArray<HashedDictionary::Key> HashedDictionary::getIds(const Attribute &
 
     PaddedPODArray<Key> ids;
     ids.reserve(attr.size());
-    for (const auto & value : attr) {
+    for (const auto & value : attr)
         ids.push_back(value.first);
-    }
+
     return ids;
 }
 
diff --git a/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp b/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
index 3c55f36bc6f..2e7eeb8c396 100644
--- a/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
+++ b/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
@@ -28,7 +28,7 @@ MongoDBBlockInputStream::MongoDBBlockInputStream(
     std::unique_ptr<Poco::MongoDB::Cursor> cursor_,
     const Block & sample_block,
     const size_t max_block_size)
-    :  connection(connection_), cursor{std::move(cursor_)}, max_block_size{max_block_size}
+    : connection(connection_), cursor{std::move(cursor_)}, max_block_size{max_block_size}
 {
     description.init(sample_block);
 }
diff --git a/dbms/src/Dictionaries/MongoDBBlockInputStream.h b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
index 25ba14d9145..5c4702af278 100644
--- a/dbms/src/Dictionaries/MongoDBBlockInputStream.h
+++ b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
@@ -34,6 +34,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return description.sample_block; };
+
 private:
     Block readImpl() override;
 
diff --git a/dbms/src/Dictionaries/MySQLBlockInputStream.h b/dbms/src/Dictionaries/MySQLBlockInputStream.h
index 1013507f11e..80da1b9480e 100644
--- a/dbms/src/Dictionaries/MySQLBlockInputStream.h
+++ b/dbms/src/Dictionaries/MySQLBlockInputStream.h
@@ -23,6 +23,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return description.sample_block; };
+
 private:
     Block readImpl() override;
 
diff --git a/dbms/src/Dictionaries/ODBCBlockInputStream.h b/dbms/src/Dictionaries/ODBCBlockInputStream.h
index 558f5cb5673..683a5973e77 100644
--- a/dbms/src/Dictionaries/ODBCBlockInputStream.h
+++ b/dbms/src/Dictionaries/ODBCBlockInputStream.h
@@ -29,6 +29,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return description.sample_block; };
+
 private:
     Block readImpl() override;
 
diff --git a/dbms/src/Dictionaries/RangeDictionaryBlockInputStream.h b/dbms/src/Dictionaries/RangeDictionaryBlockInputStream.h
index 02c327ed6eb..43c2fcb53c7 100644
--- a/dbms/src/Dictionaries/RangeDictionaryBlockInputStream.h
+++ b/dbms/src/Dictionaries/RangeDictionaryBlockInputStream.h
@@ -28,7 +28,8 @@ public:
         DictionatyPtr dictionary, size_t max_block_size, const Names & column_names, PaddedPODArray<Key> && ids,
         PaddedPODArray<UInt16> && start_dates, PaddedPODArray<UInt16> && end_dates);
 
-    String getName() const override {
+    String getName() const override
+    {
         return "RangeDictionaryBlockInputStream";
     }
 
@@ -42,16 +43,16 @@ private:
 
     template <typename AttributeType>
     ColumnPtr getColumnFromAttribute(DictionaryGetter<AttributeType> getter,
-                                     const PaddedPODArray<Key>& ids, const PaddedPODArray<UInt16> & dates,
+                                     const PaddedPODArray<Key> & ids, const PaddedPODArray<UInt16> & dates,
                                      const DictionaryAttribute& attribute, const DictionaryType& dictionary) const;
-    ColumnPtr getColumnFromAttributeString(const PaddedPODArray<Key>& ids, const PaddedPODArray<UInt16> & dates,
+    ColumnPtr getColumnFromAttributeString(const PaddedPODArray<Key> & ids, const PaddedPODArray<UInt16> & dates,
                                            const DictionaryAttribute& attribute, const DictionaryType& dictionary) const;
     template <typename T>
-    ColumnPtr getColumnFromPODArray(const PaddedPODArray<T>& array) const;
+    ColumnPtr getColumnFromPODArray(const PaddedPODArray<T> & array) const;
 
     template <typename T>
     void addSpecialColumn(
-        const std::optional<DictionarySpecialAttribute>& attribute, DataTypePtr type,
+        const std::optional<DictionarySpecialAttribute> & attribute, DataTypePtr type,
         const std::string & default_name, const std::unordered_set<std::string> & column_names,
         const PaddedPODArray<T> & values, ColumnsWithTypeAndName& columns) const;
 
@@ -102,7 +103,7 @@ Block RangeDictionaryBlockInputStream<DictionaryType, Key>::getBlock(size_t star
 template <typename DictionaryType, typename Key>
 template <typename AttributeType>
 ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromAttribute(
-    DictionaryGetter<AttributeType> getter, const PaddedPODArray<Key>& ids,
+    DictionaryGetter<AttributeType> getter, const PaddedPODArray<Key> & ids,
     const PaddedPODArray<UInt16> & dates, const DictionaryAttribute& attribute, const DictionaryType& dictionary) const
 {
     auto column_vector = ColumnVector<AttributeType>::create(ids.size());
@@ -112,7 +113,7 @@ ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromAtt
 
 template <typename DictionaryType, typename Key>
 ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromAttributeString(
-    const PaddedPODArray<Key>& ids, const PaddedPODArray<UInt16> & dates,
+    const PaddedPODArray<Key> & ids, const PaddedPODArray<UInt16> & dates,
     const DictionaryAttribute& attribute, const DictionaryType& dictionary) const
 {
     auto column_string = ColumnString::create();
@@ -122,7 +123,7 @@ ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromAtt
 
 template <typename DictionaryType, typename Key>
 template <typename T>
-ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromPODArray(const PaddedPODArray<T>& array) const
+ColumnPtr RangeDictionaryBlockInputStream<DictionaryType, Key>::getColumnFromPODArray(const PaddedPODArray<T> & array) const
 {
     auto column_vector = ColumnVector<T>::create();
     column_vector->getData().reserve(array.size());
@@ -140,12 +141,11 @@ void RangeDictionaryBlockInputStream<DictionaryType, Key>::addSpecialColumn(
     const PaddedPODArray<T> & values, ColumnsWithTypeAndName & columns) const
 {
     std::string name = default_name;
-    if (attribute) {
+    if (attribute)
         name = attribute->name;
-    }
-    if (column_names.find(name) != column_names.end()) {
+
+    if (column_names.find(name) != column_names.end())
         columns.emplace_back(getColumnFromPODArray(values), type, name);
-    }
 }
 
 template <typename DictionaryType, typename Key>
@@ -167,7 +167,7 @@ PaddedPODArray<UInt16> RangeDictionaryBlockInputStream<DictionaryType, Key>::mak
 
 template <typename DictionaryType, typename Key>
 Block RangeDictionaryBlockInputStream<DictionaryType, Key>::fillBlock(
-    const PaddedPODArray<Key>& ids,
+    const PaddedPODArray<Key> & ids,
     const PaddedPODArray<UInt16> & start_dates, const PaddedPODArray<UInt16> & end_dates) const
 {
     ColumnsWithTypeAndName columns;
diff --git a/dbms/src/Dictionaries/RangeHashedDictionary.cpp b/dbms/src/Dictionaries/RangeHashedDictionary.cpp
index 544ac19bd76..2a73a43b84e 100644
--- a/dbms/src/Dictionaries/RangeHashedDictionary.cpp
+++ b/dbms/src/Dictionaries/RangeHashedDictionary.cpp
@@ -323,7 +323,8 @@ void RangeHashedDictionary::setAttributeValue(Attribute & attribute, const Key i
                 auto & values = it->second;
 
                 const auto insert_it = std::lower_bound(std::begin(values), std::end(values), range,
-                    [] (const Value<StringRef> & lhs, const Range & range) {
+                    [] (const Value<StringRef> & lhs, const Range & range)
+                    {
                         return lhs.range < range;
                     });
 
diff --git a/dbms/src/Dictionaries/TrieDictionary.cpp b/dbms/src/Dictionaries/TrieDictionary.cpp
index f362aa1d7e6..99cf29c8ca1 100644
--- a/dbms/src/Dictionaries/TrieDictionary.cpp
+++ b/dbms/src/Dictionaries/TrieDictionary.cpp
@@ -608,7 +608,8 @@ Columns TrieDictionary::getKeyColumns() const
     auto mask_column = ColumnVector<UInt8>::create();
 
 #if defined(__SIZEOF_INT128__)
-    auto getter = [& ip_column, & mask_column](__uint128_t ip, size_t mask) {
+    auto getter = [& ip_column, & mask_column](__uint128_t ip, size_t mask)
+    {
         UInt64 * ip_array = reinterpret_cast<UInt64 *>(&ip);
         ip_array[0] = Poco::ByteOrder::fromNetwork(ip_array[0]);
         ip_array[1] = Poco::ByteOrder::fromNetwork(ip_array[1]);
diff --git a/dbms/src/Functions/FunctionsFindCluster.h b/dbms/src/Functions/FunctionsFindCluster.h
index fbcf0ee6906..51a3cfb43ca 100644
--- a/dbms/src/Functions/FunctionsFindCluster.h
+++ b/dbms/src/Functions/FunctionsFindCluster.h
@@ -47,7 +47,7 @@ enum ClusterOperation
 /// functions (eg. Hamming distance) using Clickhouse lambdas.
 
 // Centroids array has the same size as number of clusters.
-size_t find_centroid(Float64 x, std::vector<Float64>& centroids)
+size_t find_centroid(Float64 x, std::vector<Float64> & centroids)
 {
     // Centroids array has to have at least one element, and if it has only one element,
     // it is also the result of this Function.
diff --git a/dbms/src/Functions/FunctionsGeo.h b/dbms/src/Functions/FunctionsGeo.h
index 8902df870bd..70565270853 100644
--- a/dbms/src/Functions/FunctionsGeo.h
+++ b/dbms/src/Functions/FunctionsGeo.h
@@ -181,7 +181,8 @@ public:
 
 private:
 
-    struct Ellipse {
+    struct Ellipse
+    {
         Float64 x;
         Float64 y;
         Float64 a;
diff --git a/dbms/src/Functions/FunctionsHashing.h b/dbms/src/Functions/FunctionsHashing.h
index 08702e7a7f2..ad13402aa73 100644
--- a/dbms/src/Functions/FunctionsHashing.h
+++ b/dbms/src/Functions/FunctionsHashing.h
@@ -835,7 +835,8 @@ struct ImplMetroHash64
     static auto Hash128to64(const uint128_t & x) { return CityHash_v1_0_2::Hash128to64(x); }
     static auto Hash64(const char * s, const size_t len)
     {
-        union {
+        union
+        {
             UInt64 u64;
             UInt8 u8[sizeof(u64)];
         };
diff --git a/dbms/src/Functions/FunctionsMiscellaneous.cpp b/dbms/src/Functions/FunctionsMiscellaneous.cpp
index 9f50ca5998f..bf277130168 100644
--- a/dbms/src/Functions/FunctionsMiscellaneous.cpp
+++ b/dbms/src/Functions/FunctionsMiscellaneous.cpp
@@ -1396,7 +1396,8 @@ public:
         AggregateFunctionPtr aggregate_function_ptr = column_with_states->getAggregateFunction();
         const IAggregateFunction & agg_func = *aggregate_function_ptr;
 
-        auto deleter = [&agg_func](char * ptr) {
+        auto deleter = [&agg_func](char * ptr)
+        {
             agg_func.destroy(ptr);
             free(ptr);
         };
@@ -1529,7 +1530,8 @@ public:
     DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
     {
         DataTypePtr res;
-        dispatchForSourceType(*arguments[0], [&](auto field_type_tag) {
+        dispatchForSourceType(*arguments[0], [&](auto field_type_tag)
+        {
             res = std::make_shared<DataTypeNumber<DstFieldType<decltype(field_type_tag)>>>();
         });
 
diff --git a/dbms/src/Functions/Regexps.h b/dbms/src/Functions/Regexps.h
index c1f774e798d..c933ebda43f 100644
--- a/dbms/src/Functions/Regexps.h
+++ b/dbms/src/Functions/Regexps.h
@@ -11,8 +11,8 @@ namespace ProfileEvents
 }
 
 
-namespace DB {
-
+namespace DB
+{
 
 namespace Regexps
 {
diff --git a/dbms/src/IO/ReadBufferFromFile.cpp b/dbms/src/IO/ReadBufferFromFile.cpp
index 3843c7cc2fc..2061410aeec 100644
--- a/dbms/src/IO/ReadBufferFromFile.cpp
+++ b/dbms/src/IO/ReadBufferFromFile.cpp
@@ -35,9 +35,8 @@ ReadBufferFromFile::ReadBufferFromFile(
 
 #ifdef __APPLE__
     bool o_direct = (flags != -1) && (flags & O_DIRECT);
-    if (o_direct) {
+    if (o_direct)
         flags = flags & ~O_DIRECT;
-    }
 #endif
     fd = open(file_name.c_str(), flags == -1 ? O_RDONLY : flags);
 
diff --git a/dbms/src/IO/WriteBufferFromFile.cpp b/dbms/src/IO/WriteBufferFromFile.cpp
index 73678bc4de9..4ec4956dbf5 100644
--- a/dbms/src/IO/WriteBufferFromFile.cpp
+++ b/dbms/src/IO/WriteBufferFromFile.cpp
@@ -37,9 +37,8 @@ WriteBufferFromFile::WriteBufferFromFile(
 
 #ifdef __APPLE__
     bool o_direct = (flags != -1) && (flags & O_DIRECT);
-    if (o_direct) {
+    if (o_direct)
         flags = flags & ~O_DIRECT;
-    }
 #endif
 
     fd = open(file_name.c_str(), flags == -1 ? O_WRONLY | O_TRUNC | O_CREAT : flags, mode);
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index a3bbbe303cc..a39d38b3cb0 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -88,31 +88,54 @@ void AggregatedDataVariants::convertToTwoLevel()
 }
 
 
-void Aggregator::Params::calculateColumnNumbers(const Block & block)
+Block Aggregator::getHeader(bool final) const
 {
-    if (keys.empty() && !key_names.empty())
-        for (Names::const_iterator it = key_names.begin(); it != key_names.end(); ++it)
-            keys.push_back(block.getPositionByName(*it));
+    Block res;
 
-    for (AggregateDescriptions::iterator it = aggregates.begin(); it != aggregates.end(); ++it)
-        if (it->arguments.empty() && !it->argument_names.empty())
-            for (Names::const_iterator jt = it->argument_names.begin(); jt != it->argument_names.end(); ++jt)
-                it->arguments.push_back(block.getPositionByName(*jt));
+    if (params.src_header)
+    {
+        for (size_t i = 0; i < params.keys_size; ++i)
+            res.insert(params.src_header.safeGetByPosition(params.keys[i]).cloneEmpty());
+
+        for (size_t i = 0; i < params.aggregates_size; ++i)
+        {
+            ColumnWithTypeAndName col;
+            col.name = params.aggregates[i].column_name;
+
+            size_t arguments_size = params.aggregates[i].arguments.size();
+            DataTypes argument_types(arguments_size);
+            for (size_t j = 0; j < arguments_size; ++j)
+                argument_types[j] = params.src_header.safeGetByPosition(params.aggregates[i].arguments[j]).type;
+
+            if (final)
+                col.type = params.aggregates[i].function->getReturnType();
+            else
+                col.type = std::make_shared<DataTypeAggregateFunction>(params.aggregates[i].function, argument_types, params.aggregates[i].parameters);
+
+            res.insert(std::move(col));
+        }
+    }
+    else if (params.intermediate_header)
+    {
+        res = params.intermediate_header.cloneEmpty();
+
+        if (final)
+            for (size_t i = 0; i < params.aggregates_size; ++i)
+                res.safeGetByPosition(params.keys_size + i).type = params.aggregates[i].function->getReturnType();
+    }
+
+    /// All columns are non-constant in result.
+    for (auto & elem : res)
+        elem.column = nullptr;
+
+    return res;
 }
 
 
-void Aggregator::initialize(const Block & block)
+Aggregator::Aggregator(const Params & params_)
+    : params(params_),
+    isCancelled([]() { return false; })
 {
-    if (isCancelled())
-        return;
-
-    std::lock_guard<std::mutex> lock(mutex);
-
-    if (initialized)
-        return;
-
-    initialized = true;
-
     if (current_memory_tracker)
         memory_usage_before_aggregation = current_memory_tracker->get();
 
@@ -133,57 +156,6 @@ void Aggregator::initialize(const Block & block)
         if (!params.aggregates[i].function->hasTrivialDestructor())
             all_aggregates_has_trivial_destructor = false;
     }
-
-    if (isCancelled())
-        return;
-
-    /** All below, if non-empty block passed.
-      * (it doesn't needed in methods that merging blocks with aggregation states).
-      */
-    if (!block)
-        return;
-
-    /// Transform names of columns to numbers.
-    params.calculateColumnNumbers(block);
-
-    if (isCancelled())
-        return;
-
-    /// Create "header" block, describing result.
-    if (!sample)
-    {
-        for (size_t i = 0; i < params.keys_size; ++i)
-        {
-            sample.insert(block.safeGetByPosition(params.keys[i]).cloneEmpty());
-            if (ColumnPtr converted = sample.safeGetByPosition(i).column->convertToFullColumnIfConst())
-                sample.safeGetByPosition(i).column = converted;
-        }
-
-        for (size_t i = 0; i < params.aggregates_size; ++i)
-        {
-            ColumnWithTypeAndName col;
-            col.name = params.aggregates[i].column_name;
-
-            size_t arguments_size = params.aggregates[i].arguments.size();
-            DataTypes argument_types(arguments_size);
-            for (size_t j = 0; j < arguments_size; ++j)
-                argument_types[j] = block.safeGetByPosition(params.aggregates[i].arguments[j]).type;
-
-            col.type = std::make_shared<DataTypeAggregateFunction>(params.aggregates[i].function, argument_types, params.aggregates[i].parameters);
-            col.column = col.type->createColumn();
-
-            sample.insert(std::move(col));
-        }
-    }
-}
-
-
-void Aggregator::setSampleBlock(const Block & block)
-{
-    std::lock_guard<std::mutex> lock(mutex);
-
-    if (!sample)
-        sample = block.cloneEmpty();
 }
 
 
@@ -711,8 +683,6 @@ bool Aggregator::executeOnBlock(Block & block, AggregatedDataVariants & result,
     Sizes & key_sizes, StringRefs & key,
     bool & no_more_keys)
 {
-    initialize(block);
-
     if (isCancelled())
         return true;
 
@@ -1174,9 +1144,11 @@ Block Aggregator::prepareBlockAndFill(
     MutableColumns final_aggregate_columns(params.aggregates_size);
     AggregateColumnsData aggregate_columns_data(params.aggregates_size);
 
+    Block header = getHeader(final);
+
     for (size_t i = 0; i < params.keys_size; ++i)
     {
-        key_columns[i] = sample.safeGetByPosition(i).column->cloneEmpty();
+        key_columns[i] = header.safeGetByPosition(i).type->createColumn();
         key_columns[i]->reserve(rows);
     }
 
@@ -1184,7 +1156,7 @@ Block Aggregator::prepareBlockAndFill(
     {
         if (!final)
         {
-            aggregate_columns[i] = sample.safeGetByPosition(i + params.keys_size).column->cloneEmpty();
+            aggregate_columns[i] = header.safeGetByPosition(i + params.keys_size).type->createColumn();
 
             /// The ColumnAggregateFunction column captures the shared ownership of the arena with the aggregate function states.
             ColumnAggregateFunction & column_aggregate_func = static_cast<ColumnAggregateFunction &>(*aggregate_columns[i]);
@@ -1213,7 +1185,7 @@ Block Aggregator::prepareBlockAndFill(
 
     filler(key_columns, aggregate_columns_data, final_aggregate_columns, data_variants.key_sizes, final);
 
-    Block res = sample.cloneEmpty();
+    Block res = header.cloneEmpty();
 
     for (size_t i = 0; i < params.keys_size; ++i)
         res.getByPosition(i).column = std::move(key_columns[i]);
@@ -1221,18 +1193,13 @@ Block Aggregator::prepareBlockAndFill(
     for (size_t i = 0; i < params.aggregates_size; ++i)
     {
         if (final)
-        {
-            res.getByPosition(i + params.keys_size).type = aggregate_functions[i]->getReturnType();
             res.getByPosition(i + params.keys_size).column = std::move(final_aggregate_columns[i]);
-        }
         else
-        {
             res.getByPosition(i + params.keys_size).column = std::move(aggregate_columns[i]);
-        }
     }
 
     /// Change the size of the columns-constants in the block.
-    size_t columns = sample.columns();
+    size_t columns = header.columns();
     for (size_t i = 0; i < columns; ++i)
         if (res.getByPosition(i).column->isColumnConst())
             res.getByPosition(i).column = res.getByPosition(i).column->cut(0, rows);
@@ -1660,6 +1627,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return aggregator.getHeader(final); }
+
     ~MergingAndConvertingBlockInputStream()
     {
         LOG_TRACE(&Logger::get(__PRETTY_FUNCTION__), "Waiting for threads to finish");
@@ -1846,7 +1815,7 @@ std::unique_ptr<IBlockInputStream> Aggregator::mergeAndConvertToBlocks(
             non_empty_data.push_back(data);
 
     if (non_empty_data.empty())
-        return std::make_unique<NullBlockInputStream>();
+        return std::make_unique<NullBlockInputStream>(getHeader(final));
 
     if (non_empty_data.size() > 1)
     {
@@ -2029,11 +1998,6 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
     StringRefs key(params.keys_size);
     ColumnRawPtrs key_columns(params.keys_size);
 
-    initialize({});
-
-    if (isCancelled())
-        return;
-
     /** If the remote servers used a two-level aggregation method,
       *  then blocks will contain information about the number of the bucket.
       * Then the calculations can be parallelized by buckets.
@@ -2062,11 +2026,11 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
     if (bucket_to_blocks.empty())
         return;
 
-    setSampleBlock(bucket_to_blocks.begin()->second.front());
+    Block header = getHeader(true);
 
     /// How to perform the aggregation?
     for (size_t i = 0; i < params.keys_size; ++i)
-        key_columns[i] = sample.safeGetByPosition(i).column.get();
+        key_columns[i] = header.safeGetByPosition(i).column.get();
 
     Sizes key_sizes;
     AggregatedDataVariants::Type method = chooseAggregationMethod(key_columns, key_sizes);
@@ -2217,12 +2181,11 @@ Block Aggregator::mergeBlocks(BlocksList & blocks, bool final)
     StringRefs key(params.keys_size);
     ColumnRawPtrs key_columns(params.keys_size);
 
-    initialize({});
-    setSampleBlock(blocks.front());
+    Block header = getHeader(true);
 
     /// How to perform the aggregation?
     for (size_t i = 0; i < params.keys_size; ++i)
-        key_columns[i] = sample.safeGetByPosition(i).column.get();
+        key_columns[i] = header.safeGetByPosition(i).column.get();
 
     Sizes key_sizes;
     AggregatedDataVariants::Type method = chooseAggregationMethod(key_columns, key_sizes);
@@ -2377,9 +2340,6 @@ std::vector<Block> Aggregator::convertBlockToTwoLevel(const Block & block)
     if (!block)
         return {};
 
-    initialize({});
-    setSampleBlock(block);
-
     AggregatedDataVariants data;
 
     StringRefs key(params.keys_size);
@@ -2500,18 +2460,9 @@ String Aggregator::getID() const
 {
     std::stringstream res;
 
-    if (params.keys.empty())
-    {
-        res << "key_names";
-        for (size_t i = 0; i < params.key_names.size(); ++i)
-            res << ", " << params.key_names[i];
-    }
-    else
-    {
-        res << "keys";
-        for (size_t i = 0; i < params.keys.size(); ++i)
-            res << ", " << params.keys[i];
-    }
+    res << "keys";
+    for (size_t i = 0; i < params.keys.size(); ++i)
+        res << ", " << params.keys[i];
 
     res << ", aggregates";
     for (size_t i = 0; i < params.aggregates_size; ++i)
diff --git a/dbms/src/Interpreters/Aggregator.h b/dbms/src/Interpreters/Aggregator.h
index 02ef7f6835b..b0cecf1a657 100644
--- a/dbms/src/Interpreters/Aggregator.h
+++ b/dbms/src/Interpreters/Aggregator.h
@@ -979,9 +979,13 @@ class Aggregator
 public:
     struct Params
     {
+        /// Data structure of source blocks.
+        Block src_header;
+        /// Data structure of intermediate blocks before merge.
+        Block intermediate_header;
+
         /// What to count.
-        Names key_names;
-        ColumnNumbers keys;            /// The column numbers are computed later.
+        ColumnNumbers keys;
         AggregateDescriptions aggregates;
         size_t keys_size;
         size_t aggregates_size;
@@ -1008,35 +1012,34 @@ public:
         const std::string tmp_path;
 
         Params(
-            const Names & key_names_, const AggregateDescriptions & aggregates_,
+            const Block & src_header_,
+            const ColumnNumbers & keys_, const AggregateDescriptions & aggregates_,
             bool overflow_row_, size_t max_rows_to_group_by_, OverflowMode group_by_overflow_mode_,
             Compiler * compiler_, UInt32 min_count_to_compile_,
             size_t group_by_two_level_threshold_, size_t group_by_two_level_threshold_bytes_,
             size_t max_bytes_before_external_group_by_, const std::string & tmp_path_)
-            : key_names(key_names_), aggregates(aggregates_), aggregates_size(aggregates.size()),
+            : src_header(src_header_),
+            keys(keys_), aggregates(aggregates_), keys_size(keys.size()), aggregates_size(aggregates.size()),
             overflow_row(overflow_row_), max_rows_to_group_by(max_rows_to_group_by_), group_by_overflow_mode(group_by_overflow_mode_),
             compiler(compiler_), min_count_to_compile(min_count_to_compile_),
             group_by_two_level_threshold(group_by_two_level_threshold_), group_by_two_level_threshold_bytes(group_by_two_level_threshold_bytes_),
             max_bytes_before_external_group_by(max_bytes_before_external_group_by_), tmp_path(tmp_path_)
         {
-            std::sort(key_names.begin(), key_names.end());
-            key_names.erase(std::unique(key_names.begin(), key_names.end()), key_names.end());
-            keys_size = key_names.size();
         }
 
         /// Only parameters that matter during merge.
-        Params(const Names & key_names_, const AggregateDescriptions & aggregates_, bool overflow_row_)
-            : Params(key_names_, aggregates_, overflow_row_, 0, OverflowMode::THROW, nullptr, 0, 0, 0, 0, "") {}
+        Params(const Block & intermediate_header_,
+            const ColumnNumbers & keys_, const AggregateDescriptions & aggregates_, bool overflow_row_)
+            : Params(Block(), keys_, aggregates_, overflow_row_, 0, OverflowMode::THROW, nullptr, 0, 0, 0, 0, "")
+        {
+            intermediate_header = intermediate_header_;
+        }
 
-        /// Compute the column numbers in `keys` and `aggregates`.
+        /// Calculate the column numbers in `keys` and `aggregates`.
         void calculateColumnNumbers(const Block & block);
     };
 
-    Aggregator(const Params & params_)
-        : params(params_),
-        isCancelled([]() { return false; })
-    {
-    }
+    Aggregator(const Params & params_);
 
     /// Aggregate the source. Get the result in the form of one of the data structures.
     void execute(const BlockInputStreamPtr & stream, AggregatedDataVariants & result);
@@ -1111,6 +1114,9 @@ public:
 
     const TemporaryFiles & getTemporaryFiles() const { return temporary_files; }
 
+    /// Get data structure of the result.
+    Block getHeader(bool final) const;
+
 protected:
     friend struct AggregatedDataVariants;
     friend class MergingAndConvertingBlockInputStream;
@@ -1145,12 +1151,8 @@ protected:
     /// How many RAM were used to process the query before processing the first block.
     Int64 memory_usage_before_aggregation = 0;
 
-    /// To initialize from the first block when used concurrently.
-    bool initialized = false;
     std::mutex mutex;
 
-    Block sample;
-
     Logger * log = &Logger::get("Aggregator");
 
     /** Dynamically compiled library for aggregation, if any.
@@ -1179,16 +1181,6 @@ protected:
     /// For external aggregation.
     TemporaryFiles temporary_files;
 
-    /** If only the column names (key_names, and also aggregates[i].column_name) are specified, then calculate the column numbers.
-      * Generate block - sample of the result. It is used in the convertToBlocks, mergeAndConvertToBlocks methods.
-      */
-    void initialize(const Block & block);
-
-    /** Set the block - sample of the result,
-      *  only if it has not already been set.
-      */
-    void setSampleBlock(const Block & block);
-
     /** Select the aggregation method based on the number and types of keys. */
     AggregatedDataVariants::Type chooseAggregationMethod(const ColumnRawPtrs & key_columns, Sizes & key_sizes) const;
 
diff --git a/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.cpp b/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.cpp
deleted file mode 100644
index 5b92f3e8298..00000000000
--- a/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <Interpreters/ClusterProxy/AlterStreamFactory.h>
-#include <Interpreters/InterpreterAlterQuery.h>
-#include <DataStreams/RemoteBlockInputStream.h>
-#include <DataStreams/LazyBlockInputStream.h>
-
-namespace DB
-{
-
-namespace ClusterProxy
-{
-
-void AlterStreamFactory::createForShard(
-        const Cluster::ShardInfo & shard_info,
-        const String & query, const ASTPtr & query_ast,
-        const Context & context, const ThrottlerPtr & throttler,
-        BlockInputStreams & res)
-{
-    if (shard_info.isLocal())
-    {
-        /// The ALTER query may be a part of a distributed job.
-        /// Since the latter heavily relies on synchronization among its participating
-        /// nodes, it is very important to defer the execution of a local query so as
-        /// to prevent any deadlock.
-        auto interpreter = std::make_shared<InterpreterAlterQuery>(query_ast, context);
-        res.emplace_back(std::make_shared<LazyBlockInputStream>(
-            [interpreter]() mutable
-            {
-                return interpreter->execute().in;
-            }));
-    }
-    else
-    {
-        auto stream = std::make_shared<RemoteBlockInputStream>(shard_info.pool, query, context, nullptr, throttler);
-        stream->setPoolMode(PoolMode::GET_ONE);
-        res.emplace_back(std::move(stream));
-    }
-}
-
-}
-}
diff --git a/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.h b/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.h
deleted file mode 100644
index ff545f2da99..00000000000
--- a/dbms/src/Interpreters/ClusterProxy/AlterStreamFactory.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include <Interpreters/ClusterProxy/IStreamFactory.h>
-
-namespace DB
-{
-
-namespace ClusterProxy
-{
-
-class AlterStreamFactory final : public IStreamFactory
-{
-public:
-    AlterStreamFactory() = default;
-
-    virtual void createForShard(
-            const Cluster::ShardInfo & shard_info,
-            const String & query, const ASTPtr & query_ast,
-            const Context & context, const ThrottlerPtr & throttler,
-            BlockInputStreams & res) override;
-};
-
-}
-
-}
diff --git a/dbms/src/Interpreters/ClusterProxy/executeQuery.cpp b/dbms/src/Interpreters/ClusterProxy/executeQuery.cpp
index cc48d346f95..609b3b170e2 100644
--- a/dbms/src/Interpreters/ClusterProxy/executeQuery.cpp
+++ b/dbms/src/Interpreters/ClusterProxy/executeQuery.cpp
@@ -5,7 +5,6 @@
 #include <Interpreters/Cluster.h>
 #include <Interpreters/IInterpreter.h>
 #include <Parsers/queryToString.h>
-#include <DataStreams/RemoteBlockInputStream.h>
 #include <Interpreters/ProcessList.h>
 
 
diff --git a/dbms/src/Interpreters/DDLWorker.cpp b/dbms/src/Interpreters/DDLWorker.cpp
index 0a57611854a..afb41a964fb 100644
--- a/dbms/src/Interpreters/DDLWorker.cpp
+++ b/dbms/src/Interpreters/DDLWorker.cpp
@@ -937,7 +937,7 @@ class DDLQueryStatusInputSream : public IProfilingBlockInputStream
 public:
 
     DDLQueryStatusInputSream(const String & zk_node_path, const DDLLogEntry & entry, const Context & context)
-    : node_path(zk_node_path), context(context), watch(CLOCK_MONOTONIC_COARSE), log(&Logger::get("DDLQueryStatusInputSream"))
+        : node_path(zk_node_path), context(context), watch(CLOCK_MONOTONIC_COARSE), log(&Logger::get("DDLQueryStatusInputSream"))
     {
         sample = Block{
             {std::make_shared<DataTypeString>(),    "host"},
@@ -966,6 +966,8 @@ public:
         return "DDLQueryStatusInputSream(" + node_path + ")";
     }
 
+    Block getHeader() override { return sample; };
+
     Block readImpl() override
     {
         Block res;
diff --git a/dbms/src/Interpreters/ExpressionAnalyzer.cpp b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
index b455c5c88ff..4797aaa983e 100644
--- a/dbms/src/Interpreters/ExpressionAnalyzer.cpp
+++ b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
@@ -1373,8 +1373,9 @@ void ExpressionAnalyzer::optimizeGroupBy()
     if (!(select_query && select_query->group_expression_list))
         return;
 
-    const auto is_literal = [] (const ASTPtr& ast) {
-        return typeid_cast<const ASTLiteral*>(ast.get());
+    const auto is_literal = [] (const ASTPtr & ast)
+    {
+        return typeid_cast<const ASTLiteral *>(ast.get());
     };
 
     auto & group_exprs = select_query->group_expression_list->children;
diff --git a/dbms/src/Interpreters/ExternalDictionaries.cpp b/dbms/src/Interpreters/ExternalDictionaries.cpp
index e12a74c2987..51bfd4eb788 100644
--- a/dbms/src/Interpreters/ExternalDictionaries.cpp
+++ b/dbms/src/Interpreters/ExternalDictionaries.cpp
@@ -14,10 +14,10 @@ namespace
         static ExternalLoaderConfigSettings settings;
         static std::once_flag flag;
 
-        std::call_once(flag, [] {
+        std::call_once(flag, []
+        {
             settings.external_config = "dictionary";
             settings.external_name = "name";
-
             settings.path_setting_name = "dictionaries_config";
         });
 
diff --git a/dbms/src/Interpreters/ExternalModels.cpp b/dbms/src/Interpreters/ExternalModels.cpp
index e0c417169a6..60d763f7eee 100644
--- a/dbms/src/Interpreters/ExternalModels.cpp
+++ b/dbms/src/Interpreters/ExternalModels.cpp
@@ -19,10 +19,10 @@ namespace
         static ExternalLoaderConfigSettings settings;
         static std::once_flag flag;
 
-        std::call_once(flag, [] {
+        std::call_once(flag, []
+        {
             settings.external_config = "model";
             settings.external_name = "name";
-
             settings.path_setting_name = "models_config";
         });
 
diff --git a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
index 20c0ae14354..da4f731e1c2 100644
--- a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
@@ -105,7 +105,7 @@ public:
 
     SyncKillQueryInputStream(ProcessList & process_list_, QueryDescriptors && processes_to_stop_, Block && processes_block_,
                              const Block & res_sample_block_)
-    :     process_list(process_list_),
+        : process_list(process_list_),
         processes_to_stop(std::move(processes_to_stop_)),
         processes_block(std::move(processes_block_)),
         res_sample_block(res_sample_block_)
@@ -123,6 +123,8 @@ public:
         return "SynchronousQueryKiller_" + toString(intptr_t(this));
     }
 
+    Block getHeader() override { return res_sample_block; };
+
     Block readImpl() override
     {
         size_t num_result_queries = processes_to_stop.size();
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.cpp b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
index 3487d5cf8bd..3764b6069b1 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@@ -379,8 +379,8 @@ BlockIO InterpreterSelectQuery::execute()
     if (hasNoData())
     {
         BlockIO res;
-        res.in = std::make_shared<NullBlockInputStream>();
         res.in_sample = getSampleBlock();
+        res.in = std::make_shared<NullBlockInputStream>(res.in_sample);
         return res;
     }
 
@@ -938,6 +938,15 @@ void InterpreterSelectQuery::executeAggregation(ExpressionActionsPtr expression,
     AggregateDescriptions aggregates;
     query_analyzer->getAggregateInfo(key_names, aggregates);
 
+    Block header = streams[0]->getHeader();
+    ColumnNumbers keys;
+    for (const auto & name : key_names)
+        keys.push_back(header.getPositionByName(name));
+    for (auto & descr : aggregates)
+        if (descr.arguments.empty())
+            for (const auto & name : descr.argument_names)
+                descr.arguments.push_back(header.getPositionByName(name));
+
     const Settings & settings = context.getSettingsRef();
 
     /** Two-level aggregation is useful in two cases:
@@ -946,7 +955,7 @@ void InterpreterSelectQuery::executeAggregation(ExpressionActionsPtr expression,
       */
     bool allow_to_use_two_level_group_by = streams.size() > 1 || settings.limits.max_bytes_before_external_group_by != 0;
 
-    Aggregator::Params params(key_names, aggregates,
+    Aggregator::Params params(header, keys, aggregates,
         overflow_row, settings.limits.max_rows_to_group_by, settings.limits.group_by_overflow_mode,
         settings.compile ? &context.getCompiler() : nullptr, settings.min_count_to_compile,
         allow_to_use_two_level_group_by ? settings.group_by_two_level_threshold : SettingUInt64(0),
@@ -990,6 +999,15 @@ void InterpreterSelectQuery::executeMergeAggregated(bool overflow_row, bool fina
     AggregateDescriptions aggregates;
     query_analyzer->getAggregateInfo(key_names, aggregates);
 
+    Block header = streams[0]->getHeader();
+    ColumnNumbers keys;
+    for (const auto & name : key_names)
+        keys.push_back(header.getPositionByName(name));
+    for (auto & descr : aggregates)
+        if (descr.arguments.empty())
+            for (const auto & name : descr.argument_names)
+                descr.arguments.push_back(header.getPositionByName(name));
+
     /** There are two modes of distributed aggregation.
       *
       * 1. In different threads read from the remote servers blocks.
@@ -1005,7 +1023,7 @@ void InterpreterSelectQuery::executeMergeAggregated(bool overflow_row, bool fina
       *  but it can work more slowly.
       */
 
-    Aggregator::Params params(key_names, aggregates, overflow_row);
+    Aggregator::Params params(header, keys, aggregates, overflow_row);
 
     const Settings & settings = context.getSettingsRef();
 
diff --git a/dbms/src/Interpreters/Join.cpp b/dbms/src/Interpreters/Join.cpp
index 34a3a6e854f..06a3b050f45 100644
--- a/dbms/src/Interpreters/Join.cpp
+++ b/dbms/src/Interpreters/Join.cpp
@@ -1045,6 +1045,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return result_sample_block; };
+
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/Interpreters/tests/aggregate.cpp b/dbms/src/Interpreters/tests/aggregate.cpp
index d42d06f7cdd..046dbf58d9e 100644
--- a/dbms/src/Interpreters/tests/aggregate.cpp
+++ b/dbms/src/Interpreters/tests/aggregate.cpp
@@ -70,10 +70,6 @@ int main(int argc, char ** argv)
         BlockInputStreamPtr stream = std::make_shared<OneBlockInputStream>(block);
         AggregatedDataVariants aggregated_data_variants;
 
-        Names key_column_names;
-        key_column_names.emplace_back("x");
-        key_column_names.emplace_back("s1");
-
         AggregateFunctionFactory factory;
 
         AggregateDescriptions aggregate_descriptions(1);
@@ -81,7 +77,10 @@ int main(int argc, char ** argv)
         DataTypes empty_list_of_types;
         aggregate_descriptions[0].function = factory.get("count", empty_list_of_types);
 
-        Aggregator::Params params(key_column_names, aggregate_descriptions, false);
+        Aggregator::Params params(
+            stream->getHeader(), {0, 1}, aggregate_descriptions,
+            false, 0, OverflowMode::THROW, nullptr, 0, 0, 0, 0, "");
+
         Aggregator aggregator(params);
 
         {
diff --git a/dbms/src/Interpreters/tests/hash_map_string.cpp b/dbms/src/Interpreters/tests/hash_map_string.cpp
index 9fe27e5ff4c..c5454db77b9 100644
--- a/dbms/src/Interpreters/tests/hash_map_string.cpp
+++ b/dbms/src/Interpreters/tests/hash_map_string.cpp
@@ -100,7 +100,8 @@ struct FastHash64
         UInt64 h = len * m;
         UInt64 v;
 
-        while (pos != end) {
+        while (pos != end)
+        {
             v = *pos++;
             h ^= mix(v);
             h *= m;
@@ -109,16 +110,17 @@ struct FastHash64
         pos2 = reinterpret_cast<const unsigned char*>(pos);
         v = 0;
 
-        switch (len & 7) {
-        case 7: v ^= static_cast<UInt64>(pos2[6]) << 48; [[fallthrough]];
-        case 6: v ^= static_cast<UInt64>(pos2[5]) << 40; [[fallthrough]];
-        case 5: v ^= static_cast<UInt64>(pos2[4]) << 32; [[fallthrough]];
-        case 4: v ^= static_cast<UInt64>(pos2[3]) << 24; [[fallthrough]];
-        case 3: v ^= static_cast<UInt64>(pos2[2]) << 16; [[fallthrough]];
-        case 2: v ^= static_cast<UInt64>(pos2[1]) << 8; [[fallthrough]];
-        case 1: v ^= static_cast<UInt64>(pos2[0]);
-            h ^= mix(v);
-            h *= m;
+        switch (len & 7)
+        {
+            case 7: v ^= static_cast<UInt64>(pos2[6]) << 48; [[fallthrough]];
+            case 6: v ^= static_cast<UInt64>(pos2[5]) << 40; [[fallthrough]];
+            case 5: v ^= static_cast<UInt64>(pos2[4]) << 32; [[fallthrough]];
+            case 4: v ^= static_cast<UInt64>(pos2[3]) << 24; [[fallthrough]];
+            case 3: v ^= static_cast<UInt64>(pos2[2]) << 16; [[fallthrough]];
+            case 2: v ^= static_cast<UInt64>(pos2[1]) << 8; [[fallthrough]];
+            case 1: v ^= static_cast<UInt64>(pos2[0]);
+                h ^= mix(v);
+                h *= m;
         }
 
         return mix(h);
diff --git a/dbms/src/Interpreters/tests/hash_map_string_3.cpp b/dbms/src/Interpreters/tests/hash_map_string_3.cpp
index e9cb8d1eabe..9b3bf47ae10 100644
--- a/dbms/src/Interpreters/tests/hash_map_string_3.cpp
+++ b/dbms/src/Interpreters/tests/hash_map_string_3.cpp
@@ -113,7 +113,8 @@ struct FastHash64
         uint64_t h = len * m;
         uint64_t v;
 
-        while (pos != end) {
+        while (pos != end)
+        {
             v = *pos++;
             h ^= mix(v);
             h *= m;
@@ -122,16 +123,17 @@ struct FastHash64
         pos2 = reinterpret_cast<const unsigned char*>(pos);
         v = 0;
 
-        switch (len & 7) {
-        case 7: v ^= static_cast<uint64_t>(pos2[6]) << 48; [[fallthrough]];
-        case 6: v ^= static_cast<uint64_t>(pos2[5]) << 40; [[fallthrough]];
-        case 5: v ^= static_cast<uint64_t>(pos2[4]) << 32; [[fallthrough]];
-        case 4: v ^= static_cast<uint64_t>(pos2[3]) << 24; [[fallthrough]];
-        case 3: v ^= static_cast<uint64_t>(pos2[2]) << 16; [[fallthrough]];
-        case 2: v ^= static_cast<uint64_t>(pos2[1]) << 8; [[fallthrough]];
-        case 1: v ^= static_cast<uint64_t>(pos2[0]);
-            h ^= mix(v);
-            h *= m;
+        switch (len & 7)
+        {
+            case 7: v ^= static_cast<uint64_t>(pos2[6]) << 48; [[fallthrough]];
+            case 6: v ^= static_cast<uint64_t>(pos2[5]) << 40; [[fallthrough]];
+            case 5: v ^= static_cast<uint64_t>(pos2[4]) << 32; [[fallthrough]];
+            case 4: v ^= static_cast<uint64_t>(pos2[3]) << 24; [[fallthrough]];
+            case 3: v ^= static_cast<uint64_t>(pos2[2]) << 16; [[fallthrough]];
+            case 2: v ^= static_cast<uint64_t>(pos2[1]) << 8; [[fallthrough]];
+            case 1: v ^= static_cast<uint64_t>(pos2[0]);
+                h ^= mix(v);
+                h *= m;
         }
 
         return mix(h);
@@ -324,7 +326,8 @@ struct MetroHash64
 {
     size_t operator() (StringRef x) const
     {
-        union {
+        union
+        {
             uint64_t u64;
             std::uint8_t u8[sizeof(u64)];
         };
diff --git a/dbms/src/Parsers/ASTColumnDeclaration.h b/dbms/src/Parsers/ASTColumnDeclaration.h
index d99d264bb19..0cf49be00ec 100644
--- a/dbms/src/Parsers/ASTColumnDeclaration.h
+++ b/dbms/src/Parsers/ASTColumnDeclaration.h
@@ -34,7 +34,8 @@ public:
             res->children.push_back(res->type);
         }
 
-        if (default_expression) {
+        if (default_expression)
+        {
             res->default_expression = default_expression->clone();
             res->children.push_back(res->default_expression);
         }
diff --git a/dbms/src/Server/Client.cpp b/dbms/src/Server/Client.cpp
index 2afceca24f6..0aa33bddf6d 100644
--- a/dbms/src/Server/Client.cpp
+++ b/dbms/src/Server/Client.cpp
@@ -92,7 +92,8 @@ public:
 
 private:
     using StringSet = std::unordered_set<String>;
-    StringSet exit_strings {
+    StringSet exit_strings
+    {
         "exit", "quit", "logout",
         "учше", "йгше", "дщпщге",
         "exit;", "quit;", "logout;",
diff --git a/dbms/src/Server/InterruptListener.h b/dbms/src/Server/InterruptListener.h
index 25fdab546cb..8e04f59bb36 100644
--- a/dbms/src/Server/InterruptListener.h
+++ b/dbms/src/Server/InterruptListener.h
@@ -17,15 +17,19 @@ namespace ErrorCodes
 
 #ifdef __APPLE__
 // We only need to support timeout = {0, 0} at this moment
-static int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec * /*timeout*/) {
+static int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec * /*timeout*/)
+{
     sigset_t pending;
     int signo;
     sigpending(&pending);
 
-    for (signo = 1; signo < NSIG; signo++) {
-        if (sigismember(set, signo) && sigismember(&pending, signo)) {
+    for (signo = 1; signo < NSIG; ++signo)
+    {
+        if (sigismember(set, signo) && sigismember(&pending, signo))
+        {
             sigwait(set, &signo);
-            if (info) {
+            if (info)
+            {
                 memset(info, 0, sizeof *info);
                 info->si_signo = signo;
             }
diff --git a/dbms/src/Server/MetricsTransmitter.cpp b/dbms/src/Server/MetricsTransmitter.cpp
index bf0ae0e4186..278347a6774 100644
--- a/dbms/src/Server/MetricsTransmitter.cpp
+++ b/dbms/src/Server/MetricsTransmitter.cpp
@@ -44,7 +44,8 @@ void MetricsTransmitter::run()
     const std::string thread_name = "MericsTrns " + std::to_string(interval) + "s";
     setThreadName(thread_name.c_str());
 
-    const auto get_next_time = [](size_t seconds) {
+    const auto get_next_time = [](size_t seconds)
+    {
         /// To avoid time drift and transmit values exactly each interval:
         ///  next time aligned to system seconds
         /// (60s -> every minute at 00 seconds, 5s -> every minute:[00, 05, 15 ... 55]s, 3600 -> every hour:00:00
diff --git a/dbms/src/Server/PerformanceTest.cpp b/dbms/src/Server/PerformanceTest.cpp
index 299eba0497b..ff3e6fdd192 100644
--- a/dbms/src/Server/PerformanceTest.cpp
+++ b/dbms/src/Server/PerformanceTest.cpp
@@ -599,7 +599,8 @@ private:
     void removeConfigurationsIf(
         std::vector<XMLConfigurationPtr> & configs, FilterType filter_type, const Strings & values, bool leave = false)
     {
-        auto checker = [&filter_type, &values, &leave](XMLConfigurationPtr & config) {
+        auto checker = [&filter_type, &values, &leave](XMLConfigurationPtr & config)
+        {
             if (values.size() == 0)
                 return false;
 
@@ -629,7 +630,8 @@ private:
             if (filter_type == FilterType::Name_regexp)
             {
                 String config_name = config->getString("name", "");
-                auto regex_checker = [&config_name](const String & name_regexp) {
+                auto regex_checker = [&config_name](const String & name_regexp)
+                {
                     std::regex pattern(name_regexp);
                     return std::regex_search(config_name, pattern);
                 };
@@ -915,7 +917,8 @@ private:
 
             auto queries_pre_format = queries;
             queries.clear();
-            for (const auto & query : queries_pre_format) {
+            for (const auto & query : queries_pre_format)
+            {
                 auto formatted = formatQueries(query, substitutions);
                 queries.insert(queries.end(), formatted.begin(), formatted.end());
             }
diff --git a/dbms/src/Storages/AlterCommands.cpp b/dbms/src/Storages/AlterCommands.cpp
index dc1006d82ec..b5a726ecc6e 100644
--- a/dbms/src/Storages/AlterCommands.cpp
+++ b/dbms/src/Storages/AlterCommands.cpp
@@ -27,7 +27,8 @@ void AlterCommand::apply(
 {
     if (type == ADD_COLUMN)
     {
-        const auto exists_in = [this] (const NamesAndTypesList & columns) {
+        const auto exists_in = [this] (const NamesAndTypesList & columns)
+        {
             return columns.end() != std::find_if(columns.begin(), columns.end(),
                 std::bind(namesEqual, std::cref(column_name), std::placeholders::_1));
         };
@@ -85,7 +86,8 @@ void AlterCommand::apply(
     else if (type == DROP_COLUMN)
     {
         /// look for a column in list and remove it if present, also removing corresponding entry from column_defaults
-        const auto remove_column = [&column_defaults, this] (NamesAndTypesList & columns) {
+        const auto remove_column = [&column_defaults, this] (NamesAndTypesList & columns)
+        {
             auto removed = false;
             NamesAndTypesList::iterator column_it;
 
@@ -120,7 +122,8 @@ void AlterCommand::apply(
             materialized_columns : alias_columns;
 
         /// find column or throw exception
-        const auto find_column = [this] (NamesAndTypesList & columns) {
+        const auto find_column = [this] (NamesAndTypesList & columns)
+        {
             const auto it = std::find_if(columns.begin(), columns.end(),
                 std::bind(namesEqual, std::cref(column_name), std::placeholders::_1) );
             if (it == columns.end())
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
index 2555de721c5..c528c627f31 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
@@ -31,6 +31,8 @@ public:
 
     ~MergeTreeBaseBlockInputStream() override;
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
 
     Block readImpl() override final;
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockReadUtils.cpp b/dbms/src/Storages/MergeTree/MergeTreeBlockReadUtils.cpp
index f25aa737e06..b0b09ae06eb 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockReadUtils.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockReadUtils.cpp
@@ -5,8 +5,8 @@
 #include <unordered_set>
 
 
-namespace DB {
-
+namespace DB
+{
 
 NameSet injectRequiredColumns(const MergeTreeData & storage, const MergeTreeData::DataPartPtr & part, Names & columns)
 {
diff --git a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index 1766f604fed..952eef78af7 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -507,7 +507,7 @@ BlockInputStreams MergeTreeDataSelectExecutor::read(
           * They are done before the execution of the pipeline; they can not be interrupted; during the computation, packets of progress are not sent.
           */
         if (!prewhere_subqueries.empty())
-            CreatingSetsBlockInputStream(std::make_shared<NullBlockInputStream>(), prewhere_subqueries, settings.limits).read();
+            CreatingSetsBlockInputStream(std::make_shared<NullBlockInputStream>(Block()), prewhere_subqueries, settings.limits).read();
     }
 
     RangesInDataParts parts_with_ranges;
diff --git a/dbms/src/Storages/MergeTree/MergeTreeWhereOptimizer.cpp b/dbms/src/Storages/MergeTree/MergeTreeWhereOptimizer.cpp
index 137f88bf3fd..2cc2aec23a7 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeWhereOptimizer.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeWhereOptimizer.cpp
@@ -91,7 +91,8 @@ void MergeTreeWhereOptimizer::optimizeConjunction(ASTSelectQuery & select, ASTFu
     auto & conditions = fun->arguments->children;
 
     /// remove condition by swapping it with the last one and calling ::pop_back()
-    const auto remove_condition_at_index = [&conditions] (const size_t idx) {
+    const auto remove_condition_at_index = [&conditions] (const size_t idx)
+    {
         if (idx < conditions.size() - 1)
             std::swap(conditions[idx], conditions.back());
         conditions.pop_back();
@@ -142,7 +143,8 @@ void MergeTreeWhereOptimizer::optimizeConjunction(ASTSelectQuery & select, ASTFu
         }
     }
 
-    const auto move_condition_to_prewhere = [&] (const size_t idx) {
+    const auto move_condition_to_prewhere = [&] (const size_t idx)
+    {
         select.prewhere_expression = conditions[idx];
         select.children.push_back(select.prewhere_expression);
         LOG_DEBUG(log, "MergeTreeWhereOptimizer: condition `" << select.prewhere_expression << "` moved to PREWHERE");
diff --git a/dbms/src/Storages/StorageBuffer.cpp b/dbms/src/Storages/StorageBuffer.cpp
index cdda74307cc..f4ce03c43a2 100644
--- a/dbms/src/Storages/StorageBuffer.cpp
+++ b/dbms/src/Storages/StorageBuffer.cpp
@@ -71,12 +71,12 @@ StorageBuffer::StorageBuffer(const std::string & name_, const NamesAndTypesList
 class BufferBlockInputStream : public IProfilingBlockInputStream
 {
 public:
-    BufferBlockInputStream(const Names & column_names_, StorageBuffer::Buffer & buffer_)
-        : column_names(column_names_.begin(), column_names_.end()), buffer(buffer_) {}
+    BufferBlockInputStream(const Names & column_names_, StorageBuffer::Buffer & buffer_, const StorageBuffer & storage_)
+        : column_names(column_names_.begin(), column_names_.end()), buffer(buffer_), storage(storage_) {}
 
-    String getName() const { return "Buffer"; }
+    String getName() const override { return "Buffer"; }
 
-    String getID() const
+    String getID() const override
     {
         std::stringstream res;
         res << "Buffer(" << &buffer;
@@ -88,8 +88,10 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
-    Block readImpl()
+    Block readImpl() override
     {
         Block res;
 
@@ -111,6 +113,7 @@ protected:
 private:
     Names column_names;
     StorageBuffer::Buffer & buffer;
+    const StorageBuffer & storage;
     bool has_been_read = false;
 };
 
@@ -140,7 +143,7 @@ BlockInputStreams StorageBuffer::read(
     BlockInputStreams streams_from_buffers;
     streams_from_buffers.reserve(num_shards);
     for (auto & buf : buffers)
-        streams_from_buffers.push_back(std::make_shared<BufferBlockInputStream>(column_names, buf));
+        streams_from_buffers.push_back(std::make_shared<BufferBlockInputStream>(column_names, buf, *this));
 
     /** If the sources from the table were processed before some non-initial stage of query execution,
       * then sources from the buffers must also be wrapped in the processing pipeline before the same stage.
diff --git a/dbms/src/Storages/StorageCatBoostPool.cpp b/dbms/src/Storages/StorageCatBoostPool.cpp
index d6c1b4291b9..8c519e2fd31 100644
--- a/dbms/src/Storages/StorageCatBoostPool.cpp
+++ b/dbms/src/Storages/StorageCatBoostPool.cpp
@@ -59,6 +59,8 @@ public:
         reader->readSuffix();
     }
 
+    Block getHeader() override { return sample_block; };
+
 private:
     Block sample_block;
     std::unique_ptr<ReadBufferFromFileDescriptor> read_buf;
diff --git a/dbms/src/Storages/StorageCatBoostPool.h b/dbms/src/Storages/StorageCatBoostPool.h
index 1469f156a78..685b951aaf2 100644
--- a/dbms/src/Storages/StorageCatBoostPool.h
+++ b/dbms/src/Storages/StorageCatBoostPool.h
@@ -45,7 +45,8 @@ private:
 
     ColumnTypesMap getColumnTypesMap() const
     {
-        return {
+        return
+        {
                 {"Target", DatasetColumnType::Target},
                 {"Num", DatasetColumnType::Num},
                 {"Categ", DatasetColumnType::Categ},
diff --git a/dbms/src/Storages/StorageDistributed.cpp b/dbms/src/Storages/StorageDistributed.cpp
index 3367d801a42..4fb6a6f4e21 100644
--- a/dbms/src/Storages/StorageDistributed.cpp
+++ b/dbms/src/Storages/StorageDistributed.cpp
@@ -1,4 +1,3 @@
-#include <DataStreams/RemoteBlockInputStream.h>
 #include <DataStreams/BlockExtraInfoInputStream.h>
 #include <DataStreams/UnionBlockInputStream.h>
 
@@ -31,7 +30,6 @@
 #include <Interpreters/ClusterProxy/executeQuery.h>
 #include <Interpreters/ClusterProxy/SelectStreamFactory.h>
 #include <Interpreters/ClusterProxy/DescribeStreamFactory.h>
-#include <Interpreters/ClusterProxy/AlterStreamFactory.h>
 #include <Interpreters/getClusterName.h>
 
 #include <Core/Field.h>
diff --git a/dbms/src/Storages/StorageFile.cpp b/dbms/src/Storages/StorageFile.cpp
index 199e2a972bb..fd0ce17c4d0 100644
--- a/dbms/src/Storages/StorageFile.cpp
+++ b/dbms/src/Storages/StorageFile.cpp
@@ -157,6 +157,8 @@ public:
         return reader->read();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
     void readPrefixImpl() override
     {
         reader->readPrefix();
diff --git a/dbms/src/Storages/StorageKafka.cpp b/dbms/src/Storages/StorageKafka.cpp
index 3d603b53adf..3cf83d8632a 100644
--- a/dbms/src/Storages/StorageKafka.cpp
+++ b/dbms/src/Storages/StorageKafka.cpp
@@ -108,7 +108,8 @@ public:
     ~ReadBufferFromKafkaConsumer() { reset(); }
 
     /// Commit messages read with this consumer
-    void commit() {
+    void commit()
+    {
         LOG_TRACE(log, "Committing " << read_messages << " messages");
         if (read_messages == 0)
             return;
@@ -175,6 +176,8 @@ public:
         return reader->read();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
     void readPrefixImpl() override
     {
         // Start reading data
diff --git a/dbms/src/Storages/StorageLog.cpp b/dbms/src/Storages/StorageLog.cpp
index 4eb08c039f8..e7715d1ff17 100644
--- a/dbms/src/Storages/StorageLog.cpp
+++ b/dbms/src/Storages/StorageLog.cpp
@@ -73,6 +73,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/Storages/StorageMemory.cpp b/dbms/src/Storages/StorageMemory.cpp
index 75afcdbcc8b..4b55778de40 100644
--- a/dbms/src/Storages/StorageMemory.cpp
+++ b/dbms/src/Storages/StorageMemory.cpp
@@ -20,8 +20,8 @@ namespace ErrorCodes
 class MemoryBlockInputStream : public IProfilingBlockInputStream
 {
 public:
-    MemoryBlockInputStream(const Names & column_names_, BlocksList::iterator begin_, BlocksList::iterator end_)
-        : column_names(column_names_), begin(begin_), end(end_), it(begin) {}
+    MemoryBlockInputStream(const Names & column_names_, BlocksList::iterator begin_, BlocksList::iterator end_, const StorageMemory & storage_)
+        : column_names(column_names_), begin(begin_), end(end_), it(begin), storage(storage_) {}
 
     String getName() const override { return "Memory"; }
 
@@ -37,6 +37,8 @@ public:
         return res.str();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
     Block readImpl() override
     {
@@ -62,6 +64,7 @@ private:
     BlocksList::iterator begin;
     BlocksList::iterator end;
     BlocksList::iterator it;
+    const StorageMemory & storage;
 };
 
 
@@ -121,7 +124,7 @@ BlockInputStreams StorageMemory::read(
         std::advance(begin, stream * size / num_streams);
         std::advance(end, (stream + 1) * size / num_streams);
 
-        res.push_back(std::make_shared<MemoryBlockInputStream>(column_names, begin, end));
+        res.push_back(std::make_shared<MemoryBlockInputStream>(column_names, begin, end, *this));
     }
 
     return res;
diff --git a/dbms/src/Storages/StorageMerge.cpp b/dbms/src/Storages/StorageMerge.cpp
index 88f646af0bd..bb98e07f21f 100644
--- a/dbms/src/Storages/StorageMerge.cpp
+++ b/dbms/src/Storages/StorageMerge.cpp
@@ -247,7 +247,7 @@ BlockInputStreams StorageMerge::read(
                     throw Exception("Source tables for Merge table are processing data up to different stages",
                         ErrorCodes::INCOMPATIBLE_SOURCE_TABLES);
 
-                auto stream = streams.empty() ? std::make_shared<NullBlockInputStream>() : streams.front();
+                auto stream = streams.empty() ? std::make_shared<NullBlockInputStream>(getSampleBlock()) : streams.front();
                 if (!streams.empty())
                 {
                     /// will throw if some columns not convertible
diff --git a/dbms/src/Storages/StorageNull.h b/dbms/src/Storages/StorageNull.h
index 105b53b44de..fcf7efa8f72 100644
--- a/dbms/src/Storages/StorageNull.h
+++ b/dbms/src/Storages/StorageNull.h
@@ -30,7 +30,7 @@ public:
         size_t,
         unsigned) override
     {
-        return { std::make_shared<NullBlockInputStream>() };
+        return { std::make_shared<NullBlockInputStream>(Block()) };
     }
 
     BlockOutputStreamPtr write(const ASTPtr &, const Settings &) override
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index 948832f2cac..cc4625cfdf8 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -63,6 +63,8 @@ public:
         return s.str();
     }
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
     Block readImpl() override
     {
@@ -231,7 +233,7 @@ BlockInputStreams StorageStripeLog::read(
     NameSet column_names_set(column_names.begin(), column_names.end());
 
     if (!Poco::File(full_path() + "index.mrk").exists())
-        return { std::make_shared<NullBlockInputStream>() };
+        return { std::make_shared<NullBlockInputStream>(getSampleBlock()) };
 
     CompressedReadBufferFromFile index_in(full_path() + "index.mrk", 0, 0, INDEX_BUFFER_SIZE);
     std::shared_ptr<const IndexForNativeFormat> index{std::make_shared<IndexForNativeFormat>(index_in, column_names_set)};
diff --git a/dbms/src/Storages/StorageTinyLog.cpp b/dbms/src/Storages/StorageTinyLog.cpp
index 986cbcc97a7..8cc6f338d7f 100644
--- a/dbms/src/Storages/StorageTinyLog.cpp
+++ b/dbms/src/Storages/StorageTinyLog.cpp
@@ -61,6 +61,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override { return storage.getSampleBlock(); };
+
 protected:
     Block readImpl() override;
 private:
diff --git a/dbms/src/Storages/System/StorageSystemGraphite.cpp b/dbms/src/Storages/System/StorageSystemGraphite.cpp
index 9ab9850ed94..e57d3143499 100644
--- a/dbms/src/Storages/System/StorageSystemGraphite.cpp
+++ b/dbms/src/Storages/System/StorageSystemGraphite.cpp
@@ -124,7 +124,8 @@ static Strings getAllGraphiteSections(const AbstractConfiguration & config)
 
 StorageSystemGraphite::StorageSystemGraphite(const std::string & name_)
     : name(name_)
-    , columns {
+    , columns
+    {
         {"config_name", std::make_shared<DataTypeString>()},
         {"regexp",      std::make_shared<DataTypeString>()},
         {"function",    std::make_shared<DataTypeString>()},
diff --git a/dbms/src/Storages/System/StorageSystemNumbers.cpp b/dbms/src/Storages/System/StorageSystemNumbers.cpp
index ff5c4206cd1..0a6ef7e70f4 100644
--- a/dbms/src/Storages/System/StorageSystemNumbers.cpp
+++ b/dbms/src/Storages/System/StorageSystemNumbers.cpp
@@ -15,11 +15,16 @@ public:
     NumbersBlockInputStream(size_t block_size_, size_t offset_, size_t step_)
         : block_size(block_size_), next(offset_), step(step_) {}
 
-    String getName() const { return "Numbers"; }
-    String getID() const { return "Numbers"; }
+    String getName() const override { return "Numbers"; }
+    String getID() const override { return "Numbers"; }
+
+    Block getHeader() override
+    {
+        return { ColumnWithTypeAndName(nullptr, std::make_shared<DataTypeUInt64>(), "number") };
+    }
 
 protected:
-    Block readImpl()
+    Block readImpl() override
     {
         auto column = ColumnUInt64::create(block_size);
         ColumnUInt64::Container & vec = column->getData();
diff --git a/dbms/src/TableFunctions/TableFunctionFactory.h b/dbms/src/TableFunctions/TableFunctionFactory.h
index de782630386..27c0f566a78 100644
--- a/dbms/src/TableFunctions/TableFunctionFactory.h
+++ b/dbms/src/TableFunctions/TableFunctionFactory.h
@@ -30,7 +30,8 @@ public:
     template <typename Function>
     void registerFunction()
     {
-        auto creator = [] () -> TableFunctionPtr {
+        auto creator = [] () -> TableFunctionPtr
+        {
             return std::make_shared<Function>();
         };
         registerFunction(Function::name, std::move(creator));
diff --git a/dbms/tests/external_dictionaries/dictionary_library/dictionary_library.cpp b/dbms/tests/external_dictionaries/dictionary_library/dictionary_library.cpp
index 617ecea7852..97fb8158567 100644
--- a/dbms/tests/external_dictionaries/dictionary_library/dictionary_library.cpp
+++ b/dbms/tests/external_dictionaries/dictionary_library/dictionary_library.cpp
@@ -17,7 +17,8 @@ struct DataHolder
     ClickHouseLibrary::ColumnsUInt64 columns;
 };
 
-extern "C" {
+extern "C"
+{
 
 void * ClickHouseDictionary_v1_loadIds(
     void * data_ptr, ClickHouseLibrary::CStrings * settings, ClickHouseLibrary::CStrings * columns, const struct ClickHouseLibrary::VectorUInt64 * ids)

From 12c521fa2593f5a0590e2c42204626b449e0682b Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 7 Jan 2018 03:35:44 +0300
Subject: [PATCH 02/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/BlockIO.h                |  2 -
 .../ExpressionBlockInputStream.cpp            |  4 +-
 .../DataStreams/FilterBlockInputStream.cpp    |  5 +-
 .../NullableAdapterBlockInputStream.h         |  3 +-
 .../DataStreams/RemoteBlockInputStream.cpp    |  5 ++
 .../TotalsHavingBlockInputStream.cpp          | 10 ++--
 dbms/src/Interpreters/Aggregator.cpp          | 11 ++++
 dbms/src/Interpreters/DDLWorker.cpp           |  1 -
 .../Interpreters/InterpreterCheckQuery.cpp    |  2 -
 .../Interpreters/InterpreterCreateQuery.cpp   |  1 -
 .../Interpreters/InterpreterDescribeQuery.cpp |  2 -
 .../Interpreters/InterpreterExistsQuery.cpp   |  8 ---
 .../src/Interpreters/InterpreterExistsQuery.h |  1 -
 .../Interpreters/InterpreterInsertQuery.cpp   |  3 +-
 .../InterpreterKillQueryQuery.cpp             | 12 ++--
 .../Interpreters/InterpreterSelectQuery.cpp   | 55 +++++++------------
 .../src/Interpreters/InterpreterSelectQuery.h |  1 +
 .../InterpreterShowCreateQuery.cpp            |  8 ---
 .../Interpreters/InterpreterShowCreateQuery.h |  1 -
 dbms/src/Interpreters/executeQuery.cpp        |  2 +-
 dbms/src/Server/TCPHandler.cpp                | 14 ++++-
 dbms/src/Server/TCPHandler.h                  |  2 +-
 22 files changed, 67 insertions(+), 86 deletions(-)

diff --git a/dbms/src/DataStreams/BlockIO.h b/dbms/src/DataStreams/BlockIO.h
index 5ac609f8a6f..8cd19db9154 100644
--- a/dbms/src/DataStreams/BlockIO.h
+++ b/dbms/src/DataStreams/BlockIO.h
@@ -21,7 +21,6 @@ struct BlockIO
     BlockInputStreamPtr in;
     BlockOutputStreamPtr out;
 
-    Block in_sample;    /// Example of a block to be read from `in`.
     Block out_sample;   /// Example of a block to be written to `out`.
 
     /// Callbacks for query logging could be set here.
@@ -51,7 +50,6 @@ struct BlockIO
         process_list_entry      = rhs.process_list_entry;
         in                      = rhs.in;
         out                     = rhs.out;
-        in_sample               = rhs.in_sample;
         out_sample              = rhs.out_sample;
 
         finish_callback         = rhs.finish_callback;
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index bbd5cafaa87..9ac3beefaeb 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -33,9 +33,7 @@ const Block & ExpressionBlockInputStream::getTotals()
 
 Block ExpressionBlockInputStream::getHeader()
 {
-    auto res = children.back()->getHeader();
-    expression->execute(res);
-    return res;
+    return expression->getSampleBlock();
 }
 
 Block ExpressionBlockInputStream::readImpl()
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 8b3e1df640e..3aff9923129 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -29,7 +29,7 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
     children.push_back(input);
 
     /// Determine position of filter column.
-    Block src_header = input->getHeader();
+    Block src_header = expression->getSampleBlock();
     filter_column = src_header.getPositionByName(filter_column_name);
 }
 
@@ -59,8 +59,7 @@ const Block & FilterBlockInputStream::getTotals()
 
 Block FilterBlockInputStream::getHeader()
 {
-    auto res = children.back()->getHeader();
-    expression->execute(res);
+    Block res = expression->getSampleBlock();
 
     /// Isn't the filter already constant?
     ColumnPtr column = res.safeGetByPosition(filter_column).column;
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
index 05805cb22c9..bcddaaa06dc 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
@@ -18,8 +18,7 @@ namespace DB
 class NullableAdapterBlockInputStream : public IProfilingBlockInputStream
 {
 public:
-    NullableAdapterBlockInputStream(const BlockInputStreamPtr & input, const Block & in_sample_,
-        const Block & out_sample_);
+    NullableAdapterBlockInputStream(const BlockInputStreamPtr & input, const Block & in_sample_, const Block & out_sample_);
 
     String getName() const override { return "NullableAdapterBlockInputStream"; }
 
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 5a949ffcbbf..1d1e7816830 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -4,6 +4,8 @@
 #include <Interpreters/Context.h>
 #include <Storages/IStorage.h>
 
+#include <Core/iostream_debug_helpers.h>
+
 
 namespace DB
 {
@@ -169,6 +171,7 @@ Block RemoteBlockInputStream::receiveBlock()
         switch (packet.type)
         {
             case Protocol::Server::Data:
+                LOG_INFO(log, "received " << packet.block.rows() << ": " << packet.block.dumpStructure());
                 return packet.block;
 
             case Protocol::Server::Exception:
@@ -224,6 +227,8 @@ Block RemoteBlockInputStream::getHeader()
     if (res.rows() > 0)
         throw Exception("Logical error: the header block must be sent before data", ErrorCodes::LOGICAL_ERROR);
 
+    DUMP(res);
+
     header = res;
     return header;
 }
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index 5ad1542b36f..d76554aea41 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -1,6 +1,7 @@
 #include <DataStreams/TotalsHavingBlockInputStream.h>
 #include <Interpreters/ExpressionActions.h>
 #include <Interpreters/AggregateDescription.h>
+#include <DataTypes/DataTypeAggregateFunction.h>
 #include <Columns/ColumnAggregateFunction.h>
 #include <Columns/ColumnsNumber.h>
 #include <Columns/FilterDescription.h>
@@ -43,12 +44,13 @@ static void finalize(Block & block)
     for (size_t i = 0; i < block.columns(); ++i)
     {
         ColumnWithTypeAndName & current = block.safeGetByPosition(i);
-        const ColumnAggregateFunction * unfinalized_column = typeid_cast<const ColumnAggregateFunction *>(current.column.get());
+        const DataTypeAggregateFunction * unfinalized_type = typeid_cast<const DataTypeAggregateFunction *>(current.type.get());
 
-        if (unfinalized_column)
+        if (unfinalized_type)
         {
-            current.type = unfinalized_column->getAggregateFunction()->getReturnType();
-            current.column = unfinalized_column->convertToValues();
+            current.type = unfinalized_type->getReturnType();
+            if (current.column)
+                current.column = typeid_cast<const ColumnAggregateFunction &>(*current.column).convertToValues();
         }
     }
 }
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index a39d38b3cb0..8a7fbdadf78 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -23,6 +23,8 @@
 #include <Common/demangle.h>
 #include <Interpreters/config_compile.h>
 
+#include <Core/iostream_debug_helpers.h>
+
 
 namespace ProfileEvents
 {
@@ -117,6 +119,7 @@ Block Aggregator::getHeader(bool final) const
     }
     else if (params.intermediate_header)
     {
+        DUMP(params.intermediate_header);
         res = params.intermediate_header.cloneEmpty();
 
         if (final)
@@ -1144,8 +1147,12 @@ Block Aggregator::prepareBlockAndFill(
     MutableColumns final_aggregate_columns(params.aggregates_size);
     AggregateColumnsData aggregate_columns_data(params.aggregates_size);
 
+    DUMP(params.aggregates_size);
+
     Block header = getHeader(final);
 
+    DUMP(header);
+
     for (size_t i = 0; i < params.keys_size; ++i)
     {
         key_columns[i] = header.safeGetByPosition(i).type->createColumn();
@@ -1156,6 +1163,8 @@ Block Aggregator::prepareBlockAndFill(
     {
         if (!final)
         {
+            DUMP(header.safeGetByPosition(i + params.keys_size).type);
+
             aggregate_columns[i] = header.safeGetByPosition(i + params.keys_size).type->createColumn();
 
             /// The ColumnAggregateFunction column captures the shared ownership of the arena with the aggregate function states.
@@ -1225,6 +1234,8 @@ Block Aggregator::prepareBlockAndFillWithoutKey(AggregatedDataVariants & data_va
 
             for (size_t i = 0; i < params.aggregates_size; ++i)
             {
+                DUMP4(i, final, aggregate_columns, offsets_of_aggregate_states);
+
                 if (!final)
                     aggregate_columns[i]->push_back(data + offsets_of_aggregate_states[i]);
                 else
diff --git a/dbms/src/Interpreters/DDLWorker.cpp b/dbms/src/Interpreters/DDLWorker.cpp
index afb41a964fb..a4562a966ac 100644
--- a/dbms/src/Interpreters/DDLWorker.cpp
+++ b/dbms/src/Interpreters/DDLWorker.cpp
@@ -1145,7 +1145,6 @@ BlockIO executeDDLQueryOnCluster(const ASTPtr & query_ptr_, const Context & cont
         return io;
 
     auto stream = std::make_shared<DDLQueryStatusInputSream>(node_path, entry, context);
-    io.in_sample = stream->getSampleBlock();
     io.in = std::move(stream);
     return io;
 }
diff --git a/dbms/src/Interpreters/InterpreterCheckQuery.cpp b/dbms/src/Interpreters/InterpreterCheckQuery.cpp
index 722622cc70d..d96344190b5 100644
--- a/dbms/src/Interpreters/InterpreterCheckQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterCheckQuery.cpp
@@ -244,7 +244,6 @@ BlockIO InterpreterCheckQuery::execute()
 
         BlockIO res;
         res.in = std::make_shared<OneBlockInputStream>(block);
-        res.in_sample = getSampleBlock();
 
         return res;
     }
@@ -256,7 +255,6 @@ BlockIO InterpreterCheckQuery::execute()
 
         BlockIO res;
         res.in = std::make_shared<OneBlockInputStream>(result);
-        res.in_sample = result.cloneEmpty();
 
         return res;
     }
diff --git a/dbms/src/Interpreters/InterpreterCreateQuery.cpp b/dbms/src/Interpreters/InterpreterCreateQuery.cpp
index d0c112e154d..14395a27fa3 100644
--- a/dbms/src/Interpreters/InterpreterCreateQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterCreateQuery.cpp
@@ -573,7 +573,6 @@ BlockIO InterpreterCreateQuery::createTable(ASTCreateQuery & create)
                 columns.materialized_columns);
 
         BlockIO io;
-        io.in_sample = as_select_sample;
         io.in = std::make_shared<NullAndDoCopyBlockInputStream>(interpreter_select->execute().in, out);
 
         return io;
diff --git a/dbms/src/Interpreters/InterpreterDescribeQuery.cpp b/dbms/src/Interpreters/InterpreterDescribeQuery.cpp
index af61a20d6f8..a01f4e327e8 100644
--- a/dbms/src/Interpreters/InterpreterDescribeQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterDescribeQuery.cpp
@@ -24,8 +24,6 @@ BlockIO InterpreterDescribeQuery::execute()
 {
     BlockIO res;
     res.in = executeImpl();
-    res.in_sample = getSampleBlock();
-
     return res;
 }
 
diff --git a/dbms/src/Interpreters/InterpreterExistsQuery.cpp b/dbms/src/Interpreters/InterpreterExistsQuery.cpp
index 4510548d068..86cddb474e3 100644
--- a/dbms/src/Interpreters/InterpreterExistsQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterExistsQuery.cpp
@@ -17,18 +17,10 @@ BlockIO InterpreterExistsQuery::execute()
 {
     BlockIO res;
     res.in = executeImpl();
-    res.in_sample = getSampleBlock();
-
     return res;
 }
 
 
-Block InterpreterExistsQuery::getSampleBlock()
-{
-    return {{ nullptr, std::make_shared<DataTypeUInt8>(), "result" }};
-}
-
-
 BlockInputStreamPtr InterpreterExistsQuery::executeImpl()
 {
     const ASTExistsQuery & ast = typeid_cast<const ASTExistsQuery &>(*query_ptr);
diff --git a/dbms/src/Interpreters/InterpreterExistsQuery.h b/dbms/src/Interpreters/InterpreterExistsQuery.h
index e8a4d5e45ca..c5889cb0ece 100644
--- a/dbms/src/Interpreters/InterpreterExistsQuery.h
+++ b/dbms/src/Interpreters/InterpreterExistsQuery.h
@@ -25,7 +25,6 @@ private:
     ASTPtr query_ptr;
     const Context & context;
 
-    Block getSampleBlock();
     BlockInputStreamPtr executeImpl();
 };
 
diff --git a/dbms/src/Interpreters/InterpreterInsertQuery.cpp b/dbms/src/Interpreters/InterpreterInsertQuery.cpp
index 72df1fae173..766fde02f80 100644
--- a/dbms/src/Interpreters/InterpreterInsertQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterInsertQuery.cpp
@@ -138,11 +138,10 @@ BlockIO InterpreterInsertQuery::execute()
     else
     {
         InterpreterSelectQuery interpreter_select{query.select, context};
-        res.in_sample = interpreter_select.getSampleBlock();
 
         res.in = interpreter_select.execute().in;
 
-        res.in = std::make_shared<NullableAdapterBlockInputStream>(res.in, res.in_sample, res.out_sample);
+        res.in = std::make_shared<NullableAdapterBlockInputStream>(res.in, res.in->getHeader(), res.out_sample);
         res.in = std::make_shared<CastTypeBlockInputStream>(context, res.in, res.out_sample);
         res.in = std::make_shared<NullAndDoCopyBlockInputStream>(res.in, out);
     }
diff --git a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
index da4f731e1c2..5dfccd3ef31 100644
--- a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
@@ -187,25 +187,25 @@ BlockIO InterpreterKillQueryQuery::execute()
     ProcessList & process_list = context.getProcessList();
     QueryDescriptors queries_to_stop = extractQueriesExceptMeAndCheckAccess(processes_block, context);
 
-    res_io.in_sample = processes_block.cloneEmpty();
-    res_io.in_sample.insert(0, {ColumnString::create(), std::make_shared<DataTypeString>(), "kill_status"});
+    auto header = processes_block.cloneEmpty();
+    header.insert(0, {ColumnString::create(), std::make_shared<DataTypeString>(), "kill_status"});
 
     if (!query.sync || query.test)
     {
-        MutableColumns res_columns = res_io.in_sample.cloneEmptyColumns();
+        MutableColumns res_columns = header.cloneEmptyColumns();
 
         for (const auto & query_desc : queries_to_stop)
         {
             auto code = (query.test) ? CancellationCode::Unknown : process_list.sendCancelToQuery(query_desc.query_id, query_desc.user);
-            insertResultRow(query_desc.source_num, code, processes_block, res_io.in_sample, res_columns);
+            insertResultRow(query_desc.source_num, code, processes_block, header, res_columns);
         }
 
-        res_io.in = std::make_shared<OneBlockInputStream>(res_io.in_sample.cloneWithColumns(std::move(res_columns)));
+        res_io.in = std::make_shared<OneBlockInputStream>(header.cloneWithColumns(std::move(res_columns)));
     }
     else
     {
         res_io.in = std::make_shared<SyncKillQueryInputStream>(
-            process_list, std::move(queries_to_stop), std::move(processes_block), res_io.in_sample);
+            process_list, std::move(queries_to_stop), std::move(processes_block), header);
     }
 
     return res_io;
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.cpp b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
index 3764b6069b1..5ce1c2c86e9 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@@ -21,6 +21,7 @@
 #include <DataStreams/CreatingSetsBlockInputStream.h>
 #include <DataStreams/MaterializingBlockInputStream.h>
 #include <DataStreams/ConcatBlockInputStream.h>
+#include <DataStreams/OneBlockInputStream.h>
 
 #include <Parsers/ASTSelectQuery.h>
 #include <Parsers/ASTIdentifier.h>
@@ -45,6 +46,8 @@
 #include <Columns/Collator.h>
 #include <Common/typeid_cast.h>
 
+#include <Core/iostream_debug_helpers.h>
+
 
 namespace ProfileEvents
 {
@@ -376,14 +379,6 @@ BlockIO InterpreterSelectQuery::execute()
 {
     (void) executeWithoutUnion();
 
-    if (hasNoData())
-    {
-        BlockIO res;
-        res.in_sample = getSampleBlock();
-        res.in = std::make_shared<NullBlockInputStream>(res.in_sample);
-        return res;
-    }
-
     executeUnion();
 
     /// Constraints on the result, the quota on the result, and also callback for progress.
@@ -407,8 +402,6 @@ BlockIO InterpreterSelectQuery::execute()
 
     BlockIO res;
     res.in = streams[0];
-    res.in_sample = getSampleBlock();
-
     return res;
 }
 
@@ -544,14 +537,6 @@ void InterpreterSelectQuery::executeSingleQuery()
             chain.clear();
         }
 
-        /** If there is no data.
-         *  This check is specially postponed slightly lower than it could be (immediately after executeFetchColumns),
-         *  for the query to be analyzed, and errors (for example, type mismatches) could be found in it.
-         *  Otherwise, the empty result could be returned for the incorrect query.
-         */
-        if (hasNoData())
-            return;
-
         /// Before executing WHERE and HAVING, remove the extra columns from the block (mostly the aggregation keys).
         if (has_where)
             before_where->prependProjectInput();
@@ -691,10 +676,6 @@ void InterpreterSelectQuery::executeSingleQuery()
         }
     }
 
-    /** If there is no data. */
-    if (hasNoData())
-        return;
-
     SubqueriesForSets subqueries_for_sets = query_analyzer->getSubqueriesForSets();
     if (!subqueries_for_sets.empty())
         executeSubqueriesInSetsAndJoins(subqueries_for_sets);
@@ -715,9 +696,6 @@ static void getLimitLengthAndOffset(ASTSelectQuery & query, size_t & length, siz
 
 QueryProcessingStage::Enum InterpreterSelectQuery::executeFetchColumns()
 {
-    if (!hasNoData())
-        return QueryProcessingStage::FetchColumns;
-
     /// The subquery interpreter, if the subquery
     std::optional<InterpreterSelectQuery> interpreter_subquery;
 
@@ -866,6 +844,19 @@ QueryProcessingStage::Enum InterpreterSelectQuery::executeFetchColumns()
 
         streams = storage->read(required_columns, query_info, context, from_stage, max_block_size, max_streams);
 
+        /// The storage has no data for this query.
+        if (streams.empty())
+        {
+            from_stage = QueryProcessingStage::FetchColumns;
+            Block header;
+            for (const auto & name : required_columns)
+            {
+                auto type = storage->getDataTypeByName(name);
+                header.insert({ type->createColumn(), type, name });
+            }
+            streams.emplace_back(std::make_shared<OneBlockInputStream>(header));
+        }
+
         if (alias_actions)
         {
             /// Wrap each stream returned from the table to calculate and add ALIAS columns
@@ -1000,13 +991,13 @@ void InterpreterSelectQuery::executeMergeAggregated(bool overflow_row, bool fina
     query_analyzer->getAggregateInfo(key_names, aggregates);
 
     Block header = streams[0]->getHeader();
+
+    DUMP(header);
+    DUMP(key_names);
+
     ColumnNumbers keys;
     for (const auto & name : key_names)
         keys.push_back(header.getPositionByName(name));
-    for (auto & descr : aggregates)
-        if (descr.arguments.empty())
-            for (const auto & name : descr.argument_names)
-                descr.arguments.push_back(header.getPositionByName(name));
 
     /** There are two modes of distributed aggregation.
       *
@@ -1348,12 +1339,6 @@ void InterpreterSelectQuery::transformStreams(Transform && transform)
 }
 
 
-bool InterpreterSelectQuery::hasNoData() const
-{
-    return streams.empty() && !stream_with_non_joined_data;
-}
-
-
 bool InterpreterSelectQuery::hasMoreThanOneStream() const
 {
     return streams.size() + (stream_with_non_joined_data ? 1 : 0) > 1;
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.h b/dbms/src/Interpreters/InterpreterSelectQuery.h
index 57e8c925f98..4aa7f19dfc9 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.h
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.h
@@ -80,6 +80,7 @@ public:
      */
     const BlockInputStreams & executeWithoutUnion();
 
+    /// TODO It's confusing that these methods return result structure for the case of QueryProcessingStage::Complete regardless to the actual 'to_stage'.
     DataTypes getReturnTypes();
     Block getSampleBlock();
 
diff --git a/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp b/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
index 96a5554bf65..74c52ef1fae 100644
--- a/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
@@ -19,18 +19,10 @@ BlockIO InterpreterShowCreateQuery::execute()
 {
     BlockIO res;
     res.in = executeImpl();
-    res.in_sample = getSampleBlock();
-
     return res;
 }
 
 
-Block InterpreterShowCreateQuery::getSampleBlock()
-{
-    return {{ nullptr, std::make_shared<DataTypeString>(), "statement" }};
-}
-
-
 BlockInputStreamPtr InterpreterShowCreateQuery::executeImpl()
 {
     const ASTShowCreateQuery & ast = typeid_cast<const ASTShowCreateQuery &>(*query_ptr);
diff --git a/dbms/src/Interpreters/InterpreterShowCreateQuery.h b/dbms/src/Interpreters/InterpreterShowCreateQuery.h
index 7fa85230f04..c37fd05b75c 100644
--- a/dbms/src/Interpreters/InterpreterShowCreateQuery.h
+++ b/dbms/src/Interpreters/InterpreterShowCreateQuery.h
@@ -25,7 +25,6 @@ private:
     ASTPtr query_ptr;
     const Context & context;
 
-    Block getSampleBlock();
     BlockInputStreamPtr executeImpl();
 };
 
diff --git a/dbms/src/Interpreters/executeQuery.cpp b/dbms/src/Interpreters/executeQuery.cpp
index c7cb2f58f6b..eb31be2a80f 100644
--- a/dbms/src/Interpreters/executeQuery.cpp
+++ b/dbms/src/Interpreters/executeQuery.cpp
@@ -442,7 +442,7 @@ void executeQuery(
                 ? typeid_cast<const ASTIdentifier &>(*ast_query_with_output->format).name
                 : context.getDefaultFormat();
 
-            BlockOutputStreamPtr out = context.getOutputFormat(format_name, *out_buf, streams.in_sample);
+            BlockOutputStreamPtr out = context.getOutputFormat(format_name, *out_buf, streams.in->getHeader());
 
             if (auto stream = dynamic_cast<IProfilingBlockInputStream *>(streams.in.get()))
             {
diff --git a/dbms/src/Server/TCPHandler.cpp b/dbms/src/Server/TCPHandler.cpp
index 8aec67aa2ba..823d4318e5c 100644
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@@ -302,8 +302,16 @@ void TCPHandler::processOrdinaryQuery()
     if (state.io.in)
     {
         /// Send header-block, to allow client to prepare output format for data to send.
-        if (state.io.in_sample)
-            sendData(state.io.in_sample);
+        {
+            Block header = state.io.in->getHeader();
+
+            /// create non-zero columns so that SampleBlock can be
+            /// written (read) with BlockOut(In)putStreams
+            for (auto & elem : header)
+                elem.column = elem.type->createColumn();
+
+            sendData(header);
+        }
 
         AsynchronousBlockInputStream async_in(state.io.in);
         async_in.readPrefix();
@@ -709,7 +717,7 @@ bool TCPHandler::isQueryCancelled()
 }
 
 
-void TCPHandler::sendData(Block & block)
+void TCPHandler::sendData(const Block & block)
 {
     initBlockOutput();
 
diff --git a/dbms/src/Server/TCPHandler.h b/dbms/src/Server/TCPHandler.h
index e699e5b44eb..93b82acd7ea 100644
--- a/dbms/src/Server/TCPHandler.h
+++ b/dbms/src/Server/TCPHandler.h
@@ -130,7 +130,7 @@ private:
     void processTablesStatusRequest();
 
     void sendHello();
-    void sendData(Block & block);    /// Write a block to the network.
+    void sendData(const Block & block);    /// Write a block to the network.
     void sendException(const Exception & e);
     void sendProgress();
     void sendEndOfStream();

From 1780e6c1d9d1bbc8ec25dab95ccb155dcbe5a4f7 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 8 Jan 2018 04:14:43 +0300
Subject: [PATCH 03/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 .../DataStreams/InputStreamFromASTInsertQuery.cpp |  7 ++++---
 .../DataStreams/InputStreamFromASTInsertQuery.h   |  6 +++---
 dbms/src/DataStreams/RemoteBlockInputStream.cpp   |  4 ----
 dbms/src/Interpreters/Aggregator.cpp              | 11 -----------
 dbms/src/Interpreters/InterpreterSelectQuery.cpp  |  5 -----
 dbms/src/Server/Client.cpp                        |  3 ++-
 dbms/src/Server/TCPHandler.cpp                    | 15 ++++++++-------
 .../0_stateless/00039_inserts_through_http.sh     |  2 +-
 8 files changed, 18 insertions(+), 35 deletions(-)

diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
index 16baca6e0c9..9f5f10d19bf 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.cpp
@@ -29,18 +29,19 @@ InputStreamFromASTInsertQuery::InputStreamFromASTInsertQuery(
 
     /// Data could be in parsed (ast_insert_query.data) and in not parsed yet (input_buffer_tail_part) part of query.
 
-    input_buffer_ast_part = ReadBufferFromMemory(ast_insert_query->data, ast_insert_query->data ? ast_insert_query->end - ast_insert_query->data : 0);
+    input_buffer_ast_part = std::make_unique<ReadBufferFromMemory>(
+        ast_insert_query->data, ast_insert_query->data ? ast_insert_query->end - ast_insert_query->data : 0);
 
     ConcatReadBuffer::ReadBuffers buffers;
     if (ast_insert_query->data)
-        buffers.push_back(&input_buffer_ast_part.value());
+        buffers.push_back(input_buffer_ast_part.get());
     buffers.push_back(&input_buffer_tail_part);
 
     /** NOTE Must not read from 'input_buffer_tail_part' before read all between 'ast_insert_query.data' and 'ast_insert_query.end'.
         * - because 'query.data' could refer to memory piece, used as buffer for 'input_buffer_tail_part'.
         */
 
-    input_buffer_contacenated = ConcatReadBuffer(buffers);
+    input_buffer_contacenated = std::make_unique<ConcatReadBuffer>(buffers);
 
     res_stream = context.getInputFormat(format, *input_buffer_contacenated, streams.out_sample, context.getSettings().max_insert_block_size);
 }
diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
index 2eeb095e202..f816fed404c 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
@@ -3,7 +3,7 @@
 #include <Parsers/IAST.h>
 #include <DataStreams/IProfilingBlockInputStream.h>
 #include <cstddef>
-#include <optional>
+#include <memory>
 
 
 namespace DB
@@ -31,8 +31,8 @@ public:
     Block getHeader() override { return res_stream->getHeader(); }
 
 private:
-    std::optional<ReadBuffer> input_buffer_ast_part;
-    std::optional<ReadBuffer> input_buffer_contacenated;
+    std::unique_ptr<ReadBuffer> input_buffer_ast_part;
+    std::unique_ptr<ReadBuffer> input_buffer_contacenated;
 
     BlockInputStreamPtr res_stream;
 };
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 1d1e7816830..944cfb0f03b 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -4,8 +4,6 @@
 #include <Interpreters/Context.h>
 #include <Storages/IStorage.h>
 
-#include <Core/iostream_debug_helpers.h>
-
 
 namespace DB
 {
@@ -227,8 +225,6 @@ Block RemoteBlockInputStream::getHeader()
     if (res.rows() > 0)
         throw Exception("Logical error: the header block must be sent before data", ErrorCodes::LOGICAL_ERROR);
 
-    DUMP(res);
-
     header = res;
     return header;
 }
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 8a7fbdadf78..a39d38b3cb0 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -23,8 +23,6 @@
 #include <Common/demangle.h>
 #include <Interpreters/config_compile.h>
 
-#include <Core/iostream_debug_helpers.h>
-
 
 namespace ProfileEvents
 {
@@ -119,7 +117,6 @@ Block Aggregator::getHeader(bool final) const
     }
     else if (params.intermediate_header)
     {
-        DUMP(params.intermediate_header);
         res = params.intermediate_header.cloneEmpty();
 
         if (final)
@@ -1147,12 +1144,8 @@ Block Aggregator::prepareBlockAndFill(
     MutableColumns final_aggregate_columns(params.aggregates_size);
     AggregateColumnsData aggregate_columns_data(params.aggregates_size);
 
-    DUMP(params.aggregates_size);
-
     Block header = getHeader(final);
 
-    DUMP(header);
-
     for (size_t i = 0; i < params.keys_size; ++i)
     {
         key_columns[i] = header.safeGetByPosition(i).type->createColumn();
@@ -1163,8 +1156,6 @@ Block Aggregator::prepareBlockAndFill(
     {
         if (!final)
         {
-            DUMP(header.safeGetByPosition(i + params.keys_size).type);
-
             aggregate_columns[i] = header.safeGetByPosition(i + params.keys_size).type->createColumn();
 
             /// The ColumnAggregateFunction column captures the shared ownership of the arena with the aggregate function states.
@@ -1234,8 +1225,6 @@ Block Aggregator::prepareBlockAndFillWithoutKey(AggregatedDataVariants & data_va
 
             for (size_t i = 0; i < params.aggregates_size; ++i)
             {
-                DUMP4(i, final, aggregate_columns, offsets_of_aggregate_states);
-
                 if (!final)
                     aggregate_columns[i]->push_back(data + offsets_of_aggregate_states[i]);
                 else
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.cpp b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
index 5ce1c2c86e9..e6aa4d0fa6a 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@@ -46,8 +46,6 @@
 #include <Columns/Collator.h>
 #include <Common/typeid_cast.h>
 
-#include <Core/iostream_debug_helpers.h>
-
 
 namespace ProfileEvents
 {
@@ -992,9 +990,6 @@ void InterpreterSelectQuery::executeMergeAggregated(bool overflow_row, bool fina
 
     Block header = streams[0]->getHeader();
 
-    DUMP(header);
-    DUMP(key_names);
-
     ColumnNumbers keys;
     for (const auto & name : key_names)
         keys.push_back(header.getPositionByName(name));
diff --git a/dbms/src/Server/Client.cpp b/dbms/src/Server/Client.cpp
index 0aa33bddf6d..7703ca05816 100644
--- a/dbms/src/Server/Client.cpp
+++ b/dbms/src/Server/Client.cpp
@@ -1064,7 +1064,8 @@ private:
     void onProgress(const Progress & value)
     {
         progress.incrementPiecewiseAtomically(value);
-        block_out_stream->onProgress(value);
+        if (block_out_stream)
+            block_out_stream->onProgress(value);
         writeProgress();
     }
 
diff --git a/dbms/src/Server/TCPHandler.cpp b/dbms/src/Server/TCPHandler.cpp
index 823d4318e5c..d09d0bb1fa7 100644
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@@ -310,7 +310,8 @@ void TCPHandler::processOrdinaryQuery()
             for (auto & elem : header)
                 elem.column = elem.type->createColumn();
 
-            sendData(header);
+            if (header)
+                sendData(header);
         }
 
         AsynchronousBlockInputStream async_in(state.io.in);
@@ -346,12 +347,12 @@ void TCPHandler::processOrdinaryQuery()
                 }
             }
 
-        /** If data has run out, we will send the profiling data and total values to
-          * the last zero block to be able to use
-          * this information in the suffix output of stream.
-          * If the request was interrupted, then `sendTotals` and other methods could not be called,
-          *  because we have not read all the data yet,
-          *  and there could be ongoing calculations in other threads at the same time.
+            /** If data has run out, we will send the profiling data and total values to
+              * the last zero block to be able to use
+              * this information in the suffix output of stream.
+              * If the request was interrupted, then `sendTotals` and other methods could not be called,
+              *  because we have not read all the data yet,
+              *  and there could be ongoing calculations in other threads at the same time.
               */
             if (!block && !isQueryCancelled())
             {
diff --git a/dbms/tests/queries/0_stateless/00039_inserts_through_http.sh b/dbms/tests/queries/0_stateless/00039_inserts_through_http.sh
index 95eba781671..45d2e16709b 100755
--- a/dbms/tests/queries/0_stateless/00039_inserts_through_http.sh
+++ b/dbms/tests/queries/0_stateless/00039_inserts_through_http.sh
@@ -6,7 +6,7 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 echo 'DROP TABLE IF EXISTS test.long_insert' | ${CLICKHOUSE_CURL} -sSg ${CLICKHOUSE_URL} -d @-
 echo 'CREATE TABLE test.long_insert (a String) ENGINE = Memory' | ${CLICKHOUSE_CURL} -sSg ${CLICKHOUSE_URL} -d @-
 for string_size in 1 10 100 1000 10000 100000 1000000; do
-    # Если не указать LC_ALL=C, то Perl будет ругаться на некоторых плохо настроенных системах.
+    # LC_ALL=C is needed because otherwise Perl will bark on bad tuned environment.
     LC_ALL=C perl -we 'for my $letter ("a" .. "z") { print(($letter x '$string_size') . "\n") }' | ${CLICKHOUSE_CURL} -sSg "${CLICKHOUSE_URL}?query=INSERT+INTO+test.long_insert+FORMAT+TabSeparated" --data-binary @-
     echo 'SELECT substring(a, 1, 1) AS c, length(a) AS l FROM test.long_insert ORDER BY c, l' | ${CLICKHOUSE_CURL} -sSg ${CLICKHOUSE_URL} -d @-
 done

From fe880d73e7613750183556d07bdfdd0a30961754 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Tue, 9 Jan 2018 03:19:58 +0300
Subject: [PATCH 04/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 dbms/src/Core/iostream_debug_helpers.cpp      |   2 +-
 .../AddingConstColumnBlockInputStream.h       |   2 +-
 .../ExpressionBlockInputStream.cpp            |   4 +-
 .../DataStreams/FilterBlockInputStream.cpp    |   3 +-
 dbms/src/DataStreams/IBlockInputStream.h      |   3 +-
 dbms/src/DataStreams/LazyBlockInputStream.h   |   6 +
 .../MaterializingBlockInputStream.cpp         |   9 +-
 .../DataStreams/NativeBlockInputStream.cpp    |   5 +-
 dbms/src/DataStreams/OneBlockInputStream.h    |   2 +-
 .../DataStreams/RemoteBlockInputStream.cpp    |   1 -
 .../TotalsHavingBlockInputStream.cpp          |   6 +-
 .../TotalsHavingBlockInputStream.h            |   1 +
 .../DictionaryBlockInputStreamBase.cpp        |   8 +-
 dbms/src/Interpreters/Aggregator.cpp          | 182 +++++++-----------
 dbms/src/Interpreters/Aggregator.h            |  50 ++---
 dbms/src/Interpreters/ExpressionAnalyzer.cpp  |   6 +-
 .../Interpreters/InterpreterSelectQuery.cpp   |  12 +-
 .../src/Interpreters/InterpreterSelectQuery.h |  12 +-
 .../Storages/System/StorageSystemNumbers.cpp  |   2 +-
 19 files changed, 133 insertions(+), 183 deletions(-)

diff --git a/dbms/src/Core/iostream_debug_helpers.cpp b/dbms/src/Core/iostream_debug_helpers.cpp
index cb6cc4a8dbb..4148a5aaf34 100644
--- a/dbms/src/Core/iostream_debug_helpers.cpp
+++ b/dbms/src/Core/iostream_debug_helpers.cpp
@@ -66,7 +66,7 @@ std::ostream & operator<<(std::ostream & stream, const IFunction & what)
 std::ostream & operator<<(std::ostream & stream, const Block & what)
 {
     stream << "Block("
-           << "size = " << what.columns()
+           << "num_columns = " << what.columns()
            << "){" << what.dumpStructure() << "}";
     return stream;
 }
diff --git a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
index c9670dc9623..7afc84ab365 100644
--- a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
+++ b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
@@ -34,7 +34,7 @@ public:
     Block getHeader() override
     {
         Block res = children.back()->getHeader();
-        res.insert({nullptr, data_type, column_name});
+        res.insert({data_type->createColumn(), data_type, column_name});
         return res;
     }
 
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index 9ac3beefaeb..55b3145266b 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -33,7 +33,9 @@ const Block & ExpressionBlockInputStream::getTotals()
 
 Block ExpressionBlockInputStream::getHeader()
 {
-    return expression->getSampleBlock();
+    Block res = children.back()->getHeader();
+    expression->execute(res);
+    return res;
 }
 
 Block ExpressionBlockInputStream::readImpl()
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 3aff9923129..2bbcb6d76e2 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -59,7 +59,8 @@ const Block & FilterBlockInputStream::getTotals()
 
 Block FilterBlockInputStream::getHeader()
 {
-    Block res = expression->getSampleBlock();
+    Block res = children.back()->getHeader();
+    expression->execute(res);
 
     /// Isn't the filter already constant?
     ColumnPtr column = res.safeGetByPosition(filter_column).column;
diff --git a/dbms/src/DataStreams/IBlockInputStream.h b/dbms/src/DataStreams/IBlockInputStream.h
index cfd2d478d75..0ac750ccc23 100644
--- a/dbms/src/DataStreams/IBlockInputStream.h
+++ b/dbms/src/DataStreams/IBlockInputStream.h
@@ -49,8 +49,7 @@ public:
     IBlockInputStream() {}
 
     /** Get data structure of the stream in a form of "header" block (it is also called "sample block").
-      * Header block contains column names, data types, and constant columns.
-      * If the column is not constant (and not dummy), then the header block will contain nullptr instead of column.
+      * Header block contains column names, data types, columns of size 0. Constant columns must have corresponding values.
       * It is guaranteed that method "read" returns blocks of exactly that structure.
       */
     virtual Block getHeader() = 0;
diff --git a/dbms/src/DataStreams/LazyBlockInputStream.h b/dbms/src/DataStreams/LazyBlockInputStream.h
index a241c0f1c32..55f9c7053e1 100644
--- a/dbms/src/DataStreams/LazyBlockInputStream.h
+++ b/dbms/src/DataStreams/LazyBlockInputStream.h
@@ -36,6 +36,8 @@ public:
 
     Block getHeader() override
     {
+        std::cerr << "LazyBlockInputStream::getHeader()\n";
+
         init();
         if (!input)
             return {};
@@ -67,12 +69,16 @@ private:
         if (initialized)
             return;
 
+        std::cerr << "LazyBlockInputStream::init()\n";
+
         input = generator();
         initialized = true;
 
         if (!input)
             return;
 
+        std::cerr << "!\n";
+
         auto * p_input = dynamic_cast<IProfilingBlockInputStream *>(input.get());
 
         if (p_input)
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
index 56cdc4eb53f..a7a0798a955 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
@@ -24,14 +24,7 @@ String MaterializingBlockInputStream::getID() const
 
 Block MaterializingBlockInputStream::getHeader()
 {
-    Block res = children.back()->getHeader();
-
-    /// Constant columns become non constant.
-    for (auto & elem : res)
-        if (!elem.column->isColumnConst())
-            elem.column = nullptr;
-
-    return res;
+    return materializeBlock(children.back()->getHeader());
 }
 
 Block MaterializingBlockInputStream::readImpl()
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.cpp b/dbms/src/DataStreams/NativeBlockInputStream.cpp
index 7049a51ed1b..7e2e372dc1e 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NativeBlockInputStream.cpp
@@ -59,7 +59,10 @@ Block NativeBlockInputStream::getHeader()
 
     Block res;
     for (const auto & column : index_block_it->columns)
-        res.insert({ nullptr, DataTypeFactory::instance().get(column.type), column.name });
+    {
+        auto type = DataTypeFactory::instance().get(column.type);
+        res.insert({ type->createColumn(), type, column.name });
+    }
     return res;
 }
 
diff --git a/dbms/src/DataStreams/OneBlockInputStream.h b/dbms/src/DataStreams/OneBlockInputStream.h
index aa023a3d58c..bedfc342902 100644
--- a/dbms/src/DataStreams/OneBlockInputStream.h
+++ b/dbms/src/DataStreams/OneBlockInputStream.h
@@ -20,7 +20,7 @@ public:
     {
         Block res;
         for (const auto & elem : block)
-            res.insert({ elem.column->isColumnConst() ? elem.column->cloneEmpty() : nullptr, elem.type, elem.name });
+            res.insert({ elem.column->cloneEmpty(), elem.type, elem.name });
         return res;
     }
 
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 944cfb0f03b..5a949ffcbbf 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -169,7 +169,6 @@ Block RemoteBlockInputStream::receiveBlock()
         switch (packet.type)
         {
             case Protocol::Server::Data:
-                LOG_INFO(log, "received " << packet.block.rows() << ": " << packet.block.dumpStructure());
                 return packet.block;
 
             case Protocol::Server::Exception:
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index d76554aea41..9f0ce2314bb 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -85,9 +85,11 @@ const Block & TotalsHavingBlockInputStream::getTotals()
 
 Block TotalsHavingBlockInputStream::getHeader()
 {
-    unfinalized_header = children.at(0)->getHeader();
-    auto res = unfinalized_header;
+    Block res = children.at(0)->getHeader();
+    unfinalized_header = res;
     finalize(res);
+    if (expression)
+        expression->execute(res);
     return res;
 }
 
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
index f01a71d5b45..db3591cca38 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
@@ -19,6 +19,7 @@ private:
     using ExpressionActionsPtr = std::shared_ptr<ExpressionActions>;
 
 public:
+    /// expression may be nullptr
     TotalsHavingBlockInputStream(
         const BlockInputStreamPtr & input_,
         bool overflow_row_, const ExpressionActionsPtr & expression_,
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
index 2900735d194..209e0dfed38 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
@@ -28,13 +28,7 @@ Block DictionaryBlockInputStreamBase::readImpl()
 
 Block DictionaryBlockInputStreamBase::getHeader()
 {
-    Block block = getBlock(0, 0);
-
-    /// Columns are non constant. Reset them for header block.
-    for (auto & elem : block)
-        elem.column = nullptr;
-
-    return block;
+    return getBlock(0, 0);
 }
 
 }
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index a39d38b3cb0..8463f477092 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -6,6 +6,7 @@
 #include <Common/setThreadName.h>
 
 #include <DataTypes/DataTypeAggregateFunction.h>
+#include <DataTypes/DataTypeNullable.h>
 #include <Columns/ColumnsNumber.h>
 #include <Columns/ColumnArray.h>
 #include <Columns/ColumnTuple.h>
@@ -99,20 +100,18 @@ Block Aggregator::getHeader(bool final) const
 
         for (size_t i = 0; i < params.aggregates_size; ++i)
         {
-            ColumnWithTypeAndName col;
-            col.name = params.aggregates[i].column_name;
-
             size_t arguments_size = params.aggregates[i].arguments.size();
             DataTypes argument_types(arguments_size);
             for (size_t j = 0; j < arguments_size; ++j)
                 argument_types[j] = params.src_header.safeGetByPosition(params.aggregates[i].arguments[j]).type;
 
+            DataTypePtr type;
             if (final)
-                col.type = params.aggregates[i].function->getReturnType();
+                type = params.aggregates[i].function->getReturnType();
             else
-                col.type = std::make_shared<DataTypeAggregateFunction>(params.aggregates[i].function, argument_types, params.aggregates[i].parameters);
+                type = std::make_shared<DataTypeAggregateFunction>(params.aggregates[i].function, argument_types, params.aggregates[i].parameters);
 
-            res.insert(std::move(col));
+            res.insert({ type->createColumn(), type, params.aggregates[i].column_name });
         }
     }
     else if (params.intermediate_header)
@@ -120,13 +119,16 @@ Block Aggregator::getHeader(bool final) const
         res = params.intermediate_header.cloneEmpty();
 
         if (final)
+        {
             for (size_t i = 0; i < params.aggregates_size; ++i)
-                res.safeGetByPosition(params.keys_size + i).type = params.aggregates[i].function->getReturnType();
-    }
+            {
+                auto & elem = res.getByPosition(params.keys_size + i);
 
-    /// All columns are non-constant in result.
-    for (auto & elem : res)
-        elem.column = nullptr;
+                elem.type = params.aggregates[i].function->getReturnType();
+                elem.column = elem.type->createColumn();
+            }
+        }
+    }
 
     return res;
 }
@@ -349,102 +351,70 @@ void Aggregator::compileIfPossible(AggregatedDataVariants::Type type)
 }
 
 
-AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(const ColumnRawPtrs & key_columns, Sizes & key_sizes) const
+AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(Sizes & key_sizes) const
 {
+    /// If no keys. All aggregating to single row.
+    if (params.keys_size == 0)
+        return AggregatedDataVariants::Type::without_key;
+
     /// Check if at least one of the specified keys is nullable.
-    /// Create a set of nested key columns from the corresponding key columns.
-    /// Here "nested" means that, if a key column is nullable, we take its nested
-    /// column; otherwise we take the key column as is.
-    ColumnRawPtrs nested_key_columns;
-    nested_key_columns.reserve(key_columns.size());
+    DataTypes types_removed_nullable;
+    types_removed_nullable.reserve(params.keys.size());
     bool has_nullable_key = false;
 
-    for (const auto & col : key_columns)
+    for (const auto & pos : params.keys)
     {
-        if (col->isColumnNullable())
+        const auto & type = (params.src_header ? params.src_header : params.intermediate_header).safeGetByPosition(pos).type;
+
+        if (type->isNullable())
         {
-            const ColumnNullable & nullable_col = static_cast<const ColumnNullable &>(*col);
-            nested_key_columns.push_back(&nullable_col.getNestedColumn());
             has_nullable_key = true;
+            types_removed_nullable.push_back(removeNullable(type));
         }
         else
-            nested_key_columns.push_back(col);
+            types_removed_nullable.push_back(type);
     }
 
     /** Returns ordinary (not two-level) methods, because we start from them.
       * Later, during aggregation process, data may be converted (partitioned) to two-level structure, if cardinality is high.
       */
 
-    bool all_fixed = true;
     size_t keys_bytes = 0;
 
-    size_t num_array_keys = 0;
-    bool has_arrays_of_non_fixed_elems = false;
-    bool all_non_array_keys_are_fixed = true;
-    bool has_tuples = false;
-    bool has_arrays_of_nullable = false;
+    size_t num_contiguous_keys = 0;
+    size_t num_fixed_contiguous_keys = 0;
+    size_t num_string_keys = 0;
 
     key_sizes.resize(params.keys_size);
     for (size_t j = 0; j < params.keys_size; ++j)
     {
-        if (nested_key_columns[j]->isFixedAndContiguous())
+        if (types_removed_nullable[j]->isValueUnambiguouslyRepresentedInContiguousMemoryRegion())
         {
-            key_sizes[j] = nested_key_columns[j]->sizeOfValueIfFixed();
-            keys_bytes += key_sizes[j];
-        }
-        else
-        {
-            all_fixed = false;
+            ++num_contiguous_keys;
 
-            if (const ColumnArray * arr = typeid_cast<const ColumnArray *>(nested_key_columns[j]))
+            if (types_removed_nullable[j]->isValueUnambiguouslyRepresentedInFixedSizeContiguousMemoryRegion())
             {
-                ++num_array_keys;
-
-                if (arr->getData().isColumnNullable())
-                    has_arrays_of_nullable = true;
-
-                if (!arr->getData().isFixedAndContiguous())
-                    has_arrays_of_non_fixed_elems = true;
+                ++num_fixed_contiguous_keys;
+                key_sizes[j] = types_removed_nullable[j]->getSizeOfValueInMemory();
+                keys_bytes += key_sizes[j];
             }
-            else
-            {
-                all_non_array_keys_are_fixed = false;
 
-                if (typeid_cast<const ColumnTuple *>(nested_key_columns[j]))
-                    has_tuples = true;
+            if (types_removed_nullable[j]->isString())
+            {
+                ++num_string_keys;
             }
         }
     }
 
-    /// If no keys. All aggregating to single row.
-    if (params.keys_size == 0)
-        return AggregatedDataVariants::Type::without_key;
-
-    if (has_nullable_key || has_arrays_of_nullable)
+    if (has_nullable_key)
     {
-        /// At least one key is nullable. Therefore we choose an aggregation method
-        /// that takes into account this fact.
-        if ((params.keys_size == 1) && (nested_key_columns[0]->isNumeric()))
-        {
-            /// We have exactly one key and it is nullable. We shall add it a tag
-            /// which specifies whether its value is null or not.
-            size_t size_of_field = nested_key_columns[0]->sizeOfValueIfFixed();
-            if ((size_of_field == 1) || (size_of_field == 2) || (size_of_field == 4) || (size_of_field == 8) || (size_of_field == 16))
-                return AggregatedDataVariants::Type::nullable_keys128;
-            else
-                throw Exception{"Logical error: numeric column has sizeOfField not in 1, 2, 4, 8, 16.",
-                    ErrorCodes::LOGICAL_ERROR};
-        }
-
-        if (all_fixed)
+        if (params.keys_size == num_fixed_contiguous_keys)
         {
             /// Pack if possible all the keys along with information about which key values are nulls
             /// into a fixed 16- or 32-byte blob.
-            if (keys_bytes > (std::numeric_limits<size_t>::max() - std::tuple_size<KeysNullMap<UInt128>>::value))
-                throw Exception{"Aggregator: keys sizes overflow", ErrorCodes::LOGICAL_ERROR};
-            if ((std::tuple_size<KeysNullMap<UInt128>>::value + keys_bytes) <= 16)
+            if (std::tuple_size<KeysNullMap<UInt128>>::value + keys_bytes <= 16)
                 return AggregatedDataVariants::Type::nullable_keys128;
-            if ((std::tuple_size<KeysNullMap<UInt256>>::value + keys_bytes) <= 32)
+            if (std::tuple_size<KeysNullMap<UInt256>>::value + keys_bytes <= 32)
                 return AggregatedDataVariants::Type::nullable_keys256;
         }
 
@@ -455,9 +425,9 @@ AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(const ColumnRaw
     /// No key has been found to be nullable.
 
     /// Single numeric key.
-    if ((params.keys_size == 1) && nested_key_columns[0]->isNumeric())
+    if (params.keys_size == 1 && types_removed_nullable[0]->isValueRepresentedByNumber())
     {
-        size_t size_of_field = nested_key_columns[0]->sizeOfValueIfFixed();
+        size_t size_of_field = types_removed_nullable[0]->getSizeOfValueInMemory();
         if (size_of_field == 1)
             return AggregatedDataVariants::Type::key8;
         if (size_of_field == 2)
@@ -472,23 +442,24 @@ AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(const ColumnRaw
     }
 
     /// If all keys fits in N bits, will use hash table with all keys packed (placed contiguously) to single N-bit key.
-    if (all_fixed && keys_bytes <= 16)
-        return AggregatedDataVariants::Type::keys128;
-    if (all_fixed && keys_bytes <= 32)
-        return AggregatedDataVariants::Type::keys256;
+    if (params.keys_size == num_fixed_contiguous_keys)
+    {
+        if (keys_bytes <= 16)
+            return AggregatedDataVariants::Type::keys128;
+        if (keys_bytes <= 32)
+            return AggregatedDataVariants::Type::keys256;
+    }
 
     /// If single string key - will use hash table with references to it. Strings itself are stored separately in Arena.
-    if (params.keys_size == 1 && typeid_cast<const ColumnString *>(nested_key_columns[0]))
+    if (params.keys_size == 1 && types_removed_nullable[0]->isString())
         return AggregatedDataVariants::Type::key_string;
 
-    if (params.keys_size == 1 && typeid_cast<const ColumnFixedString *>(nested_key_columns[0]))
+    if (params.keys_size == 1 && types_removed_nullable[0]->isFixedString())
         return AggregatedDataVariants::Type::key_fixed_string;
 
-    /** If some keys are arrays.
-      * If there is no more than one key that is array, and it is array of fixed-size elements, and all other keys are fixed-size,
-      *  then it is possible to use 'concat' method (due to one-to-one correspondense). Otherwise the method will be 'serialized'.
+    /** If it is possible to use 'concat' method due to one-to-one correspondense. Otherwise the method will be 'serialized'.
       */
-    if (num_array_keys == 1 && !has_arrays_of_non_fixed_elems && all_non_array_keys_are_fixed)
+    if (params.keys_size == num_contiguous_keys && num_fixed_contiguous_keys + 1 >= num_contiguous_keys)
         return AggregatedDataVariants::Type::concat;
 
     /** For case with multiple strings, we use 'concat' method despite the fact, that correspondense is not one-to-one.
@@ -496,11 +467,8 @@ AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(const ColumnRaw
       * But if strings contains zero bytes in between, different keys may clash.
       * For example, keys ('a\0b', 'c') and ('a', 'b\0c') will be aggregated as one key.
       * This is documented behaviour. It may be avoided by just switching to 'serialized' method, which is less efficient.
-      *
-      * Some of aggregation keys may be tuples. In most cases, tuples are flattened in expression analyzer and not passed here.
-      * But in rare cases, they are not flattened. Will fallback to 'serialized' method for simplicity.
       */
-    if (num_array_keys == 0 && !has_tuples)
+    if (params.keys_size == num_fixed_contiguous_keys + num_string_keys)
         return AggregatedDataVariants::Type::concat;
 
     return AggregatedDataVariants::Type::serialized;
@@ -739,7 +707,7 @@ bool Aggregator::executeOnBlock(Block & block, AggregatedDataVariants & result,
     /// How to perform the aggregation?
     if (result.empty())
     {
-        result.init(chooseAggregationMethod(key_columns, key_sizes));
+        result.init(chooseAggregationMethod(key_sizes));
         result.keys_size = params.keys_size;
         result.key_sizes = key_sizes;
         LOG_TRACE(log, "Aggregation method: " << result.getMethodName());
@@ -1995,9 +1963,6 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
     if (isCancelled())
         return;
 
-    StringRefs key(params.keys_size);
-    ColumnRawPtrs key_columns(params.keys_size);
-
     /** If the remote servers used a two-level aggregation method,
       *  then blocks will contain information about the number of the bucket.
       * Then the calculations can be parallelized by buckets.
@@ -2026,14 +1991,8 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
     if (bucket_to_blocks.empty())
         return;
 
-    Block header = getHeader(true);
-
-    /// How to perform the aggregation?
-    for (size_t i = 0; i < params.keys_size; ++i)
-        key_columns[i] = header.safeGetByPosition(i).column.get();
-
     Sizes key_sizes;
-    AggregatedDataVariants::Type method = chooseAggregationMethod(key_columns, key_sizes);
+    AggregatedDataVariants::Type method = chooseAggregationMethod(key_sizes);
 
     /** `minus one` means the absence of information about the bucket
       * - in the case of single-level aggregation, as well as for blocks with "overflowing" values.
@@ -2178,17 +2137,8 @@ Block Aggregator::mergeBlocks(BlocksList & blocks, bool final)
     LOG_TRACE(log, "Merging partially aggregated blocks (bucket = " << bucket_num << ").");
     Stopwatch watch;
 
-    StringRefs key(params.keys_size);
-    ColumnRawPtrs key_columns(params.keys_size);
-
-    Block header = getHeader(true);
-
-    /// How to perform the aggregation?
-    for (size_t i = 0; i < params.keys_size; ++i)
-        key_columns[i] = header.safeGetByPosition(i).column.get();
-
     Sizes key_sizes;
-    AggregatedDataVariants::Type method = chooseAggregationMethod(key_columns, key_sizes);
+    AggregatedDataVariants::Type method = chooseAggregationMethod(key_sizes);
 
     /** If possible, change 'method' to some_hash64. Otherwise, leave as is.
       * Better hash function is needed because during external aggregation,
@@ -2196,13 +2146,13 @@ Block Aggregator::mergeBlocks(BlocksList & blocks, bool final)
       */
 
 #define APPLY_FOR_VARIANTS_THAT_MAY_USE_BETTER_HASH_FUNCTION(M) \
-        M(key64)             \
-        M(key_string)         \
+        M(key64)            \
+        M(key_string)       \
         M(key_fixed_string) \
-        M(keys128)             \
-        M(keys256)             \
-        M(concat)             \
-        M(serialized)        \
+        M(keys128)          \
+        M(keys256)          \
+        M(concat)           \
+        M(serialized)       \
 
 #define M(NAME) \
     if (method == AggregatedDataVariants::Type::NAME) \
@@ -2350,7 +2300,7 @@ std::vector<Block> Aggregator::convertBlockToTwoLevel(const Block & block)
     for (size_t i = 0; i < params.keys_size; ++i)
         key_columns[i] = block.safeGetByPosition(i).column.get();
 
-    AggregatedDataVariants::Type type = chooseAggregationMethod(key_columns, key_sizes);
+    AggregatedDataVariants::Type type = chooseAggregationMethod(key_sizes);
     data.keys_size = params.keys_size;
     data.key_sizes = key_sizes;
 
diff --git a/dbms/src/Interpreters/Aggregator.h b/dbms/src/Interpreters/Aggregator.h
index b0cecf1a657..f142c8c5be0 100644
--- a/dbms/src/Interpreters/Aggregator.h
+++ b/dbms/src/Interpreters/Aggregator.h
@@ -900,25 +900,25 @@ struct AggregatedDataVariants : private boost::noncopyable
     #define APPLY_FOR_VARIANTS_CONVERTIBLE_TO_TWO_LEVEL(M) \
         M(key32)            \
         M(key64)            \
-        M(key_string)        \
-        M(key_fixed_string)    \
-        M(keys128)            \
-        M(keys256)            \
-        M(hashed)            \
-        M(concat)            \
-        M(serialized)        \
-        M(nullable_keys128)    \
-        M(nullable_keys256)    \
+        M(key_string)       \
+        M(key_fixed_string) \
+        M(keys128)          \
+        M(keys256)          \
+        M(hashed)           \
+        M(concat)           \
+        M(serialized)       \
+        M(nullable_keys128) \
+        M(nullable_keys256) \
 
     #define APPLY_FOR_VARIANTS_NOT_CONVERTIBLE_TO_TWO_LEVEL(M) \
-        M(key8)                \
+        M(key8)             \
         M(key16)            \
         M(key64_hash64)     \
-        M(key_string_hash64) \
+        M(key_string_hash64)\
         M(key_fixed_string_hash64) \
-        M(keys128_hash64)     \
-        M(keys256_hash64)     \
-        M(concat_hash64)     \
+        M(keys128_hash64)   \
+        M(keys256_hash64)   \
+        M(concat_hash64)    \
         M(serialized_hash64) \
 
     #define APPLY_FOR_VARIANTS_SINGLE_LEVEL(M) \
@@ -943,16 +943,16 @@ struct AggregatedDataVariants : private boost::noncopyable
     void convertToTwoLevel();
 
     #define APPLY_FOR_VARIANTS_TWO_LEVEL(M) \
-        M(key32_two_level)                \
-        M(key64_two_level)                \
-        M(key_string_two_level)            \
-        M(key_fixed_string_two_level)    \
-        M(keys128_two_level)            \
-        M(keys256_two_level)            \
-        M(hashed_two_level)                \
-        M(concat_two_level)                \
-        M(serialized_two_level)            \
-        M(nullable_keys128_two_level)    \
+        M(key32_two_level)            \
+        M(key64_two_level)            \
+        M(key_string_two_level)       \
+        M(key_fixed_string_two_level) \
+        M(keys128_two_level)          \
+        M(keys256_two_level)          \
+        M(hashed_two_level)           \
+        M(concat_two_level)           \
+        M(serialized_two_level)       \
+        M(nullable_keys128_two_level) \
         M(nullable_keys256_two_level)
 };
 
@@ -1182,7 +1182,7 @@ protected:
     TemporaryFiles temporary_files;
 
     /** Select the aggregation method based on the number and types of keys. */
-    AggregatedDataVariants::Type chooseAggregationMethod(const ColumnRawPtrs & key_columns, Sizes & key_sizes) const;
+    AggregatedDataVariants::Type chooseAggregationMethod(Sizes & key_sizes) const;
 
     /** Create states of aggregate functions for one key.
       */
diff --git a/dbms/src/Interpreters/ExpressionAnalyzer.cpp b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
index 4797aaa983e..c59d6e3981a 100644
--- a/dbms/src/Interpreters/ExpressionAnalyzer.cpp
+++ b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
@@ -1621,10 +1621,10 @@ void ExpressionAnalyzer::makeSet(const ASTFunction * node, const Block & sample_
 
             /** Why is LazyBlockInputStream used?
               *
-              * The fact is that when processing a request of the form
+              * The fact is that when processing a query of the form
               *  SELECT ... FROM remote_test WHERE column GLOBAL IN (subquery),
               *  if the distributed remote_test table contains localhost as one of the servers,
-              *  the request will be interpreted locally again (and not sent over TCP, as in the case of a remote server).
+              *  the query will be interpreted locally again (and not sent over TCP, as in the case of a remote server).
               *
               * The query execution pipeline will be:
               * CreatingSets
@@ -1633,7 +1633,7 @@ void ExpressionAnalyzer::makeSet(const ASTFunction * node, const Block & sample_
               *   reading from the table _data1, creating the set (2)
               *   read from the table subordinate to remote_test.
               *
-              * (The second part of the pipeline under CreateSets is a reinterpretation of the request inside StorageDistributed,
+              * (The second part of the pipeline under CreateSets is a reinterpretation of the query inside StorageDistributed,
               *  the query differs in that the database name and tables are replaced with subordinates, and the subquery is replaced with _data1.)
               *
               * But when creating the pipeline, when creating the source (2), it will be found that the _data1 table is empty
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.cpp b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
index e6aa4d0fa6a..4bc57e454e3 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@@ -907,7 +907,7 @@ QueryProcessingStage::Enum InterpreterSelectQuery::executeFetchColumns()
 }
 
 
-void InterpreterSelectQuery::executeWhere(ExpressionActionsPtr expression)
+void InterpreterSelectQuery::executeWhere(const ExpressionActionsPtr & expression)
 {
     transformStreams([&](auto & stream)
     {
@@ -916,7 +916,7 @@ void InterpreterSelectQuery::executeWhere(ExpressionActionsPtr expression)
 }
 
 
-void InterpreterSelectQuery::executeAggregation(ExpressionActionsPtr expression, bool overflow_row, bool final)
+void InterpreterSelectQuery::executeAggregation(const ExpressionActionsPtr & expression, bool overflow_row, bool final)
 {
     transformStreams([&](auto & stream)
     {
@@ -1034,7 +1034,7 @@ void InterpreterSelectQuery::executeMergeAggregated(bool overflow_row, bool fina
 }
 
 
-void InterpreterSelectQuery::executeHaving(ExpressionActionsPtr expression)
+void InterpreterSelectQuery::executeHaving(const ExpressionActionsPtr & expression)
 {
     transformStreams([&](auto & stream)
     {
@@ -1043,7 +1043,7 @@ void InterpreterSelectQuery::executeHaving(ExpressionActionsPtr expression)
 }
 
 
-void InterpreterSelectQuery::executeTotalsAndHaving(bool has_having, ExpressionActionsPtr expression, bool overflow_row)
+void InterpreterSelectQuery::executeTotalsAndHaving(bool has_having, const ExpressionActionsPtr & expression, bool overflow_row)
 {
     executeUnion();
 
@@ -1055,7 +1055,7 @@ void InterpreterSelectQuery::executeTotalsAndHaving(bool has_having, ExpressionA
 }
 
 
-void InterpreterSelectQuery::executeExpression(ExpressionActionsPtr expression)
+void InterpreterSelectQuery::executeExpression(const ExpressionActionsPtr & expression)
 {
     transformStreams([&](auto & stream)
     {
@@ -1156,7 +1156,7 @@ void InterpreterSelectQuery::executeMergeSorted()
 }
 
 
-void InterpreterSelectQuery::executeProjection(ExpressionActionsPtr expression)
+void InterpreterSelectQuery::executeProjection(const ExpressionActionsPtr & expression)
 {
     transformStreams([&](auto & stream)
     {
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.h b/dbms/src/Interpreters/InterpreterSelectQuery.h
index 4aa7f19dfc9..cfc61e35f2c 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.h
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.h
@@ -138,19 +138,19 @@ private:
     /// Fetch data from the table. Returns the stage to which the query was processed in Storage.
     QueryProcessingStage::Enum executeFetchColumns();
 
-    void executeWhere(ExpressionActionsPtr expression);
-    void executeAggregation(ExpressionActionsPtr expression, bool overflow_row, bool final);
+    void executeWhere(const ExpressionActionsPtr & expression);
+    void executeAggregation(const ExpressionActionsPtr & expression, bool overflow_row, bool final);
     void executeMergeAggregated(bool overflow_row, bool final);
-    void executeTotalsAndHaving(bool has_having, ExpressionActionsPtr expression, bool overflow_row);
-    void executeHaving(ExpressionActionsPtr expression);
-    void executeExpression(ExpressionActionsPtr expression);
+    void executeTotalsAndHaving(bool has_having, const ExpressionActionsPtr & expression, bool overflow_row);
+    void executeHaving(const ExpressionActionsPtr & expression);
+    void executeExpression(const ExpressionActionsPtr & expression);
     void executeOrder();
     void executeMergeSorted();
     void executePreLimit();
     void executeUnion();
     void executeLimitBy();
     void executeLimit();
-    void executeProjection(ExpressionActionsPtr expression);
+    void executeProjection(const ExpressionActionsPtr & expression);
     void executeDistinct(bool before_order, Names columns);
     void executeSubqueriesInSetsAndJoins(std::unordered_map<String, SubqueryForSet> & subqueries_for_sets);
 
diff --git a/dbms/src/Storages/System/StorageSystemNumbers.cpp b/dbms/src/Storages/System/StorageSystemNumbers.cpp
index 0a6ef7e70f4..860199bc2a6 100644
--- a/dbms/src/Storages/System/StorageSystemNumbers.cpp
+++ b/dbms/src/Storages/System/StorageSystemNumbers.cpp
@@ -20,7 +20,7 @@ public:
 
     Block getHeader() override
     {
-        return { ColumnWithTypeAndName(nullptr, std::make_shared<DataTypeUInt64>(), "number") };
+        return { ColumnWithTypeAndName(ColumnUInt64::create(), std::make_shared<DataTypeUInt64>(), "number") };
     }
 
 protected:

From 5081f276d19e11aacbc07c3942a6d4971f3f7acc Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Tue, 9 Jan 2018 04:51:08 +0300
Subject: [PATCH 05/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/IBlockInputStream.cpp    | 47 ++++++++-----------
 dbms/src/Storages/ITableDeclaration.cpp       | 14 ++++++
 dbms/src/Storages/ITableDeclaration.h         |  1 +
 .../MergeTree/MergeTreeBaseBlockInputStream.h |  4 --
 .../MergeTree/MergeTreeBlockInputStream.cpp   |  7 +++
 .../MergeTree/MergeTreeBlockInputStream.h     |  2 +
 .../Storages/MergeTree/MergeTreeReadPool.cpp  |  6 +++
 .../Storages/MergeTree/MergeTreeReadPool.h    |  2 +
 .../MergeTreeThreadBlockInputStream.cpp       |  6 +++
 .../MergeTreeThreadBlockInputStream.h         |  4 +-
 dbms/src/Storages/StorageBuffer.cpp           |  2 +-
 dbms/src/Storages/StorageFile.cpp             |  3 +-
 dbms/src/Storages/StorageKafka.cpp            |  2 +-
 dbms/src/Storages/StorageLog.cpp              | 10 +++-
 dbms/src/Storages/StorageMemory.cpp           |  2 +-
 dbms/src/Storages/StorageStripeLog.cpp        | 36 +++++++++-----
 dbms/src/Storages/StorageTinyLog.cpp          | 10 +++-
 17 files changed, 106 insertions(+), 52 deletions(-)

diff --git a/dbms/src/DataStreams/IBlockInputStream.cpp b/dbms/src/DataStreams/IBlockInputStream.cpp
index ac179115678..13a3c99d393 100644
--- a/dbms/src/DataStreams/IBlockInputStream.cpp
+++ b/dbms/src/DataStreams/IBlockInputStream.cpp
@@ -61,38 +61,29 @@ size_t IBlockInputStream::checkDepthImpl(size_t max_depth, size_t level) const
 
 void IBlockInputStream::dumpTree(std::ostream & ostr, size_t indent, size_t multiplier)
 {
-    /// We will not display the wrapper of the block stream in the AsynchronousBlockInputStream in the tree.
-    if (getName() != "Asynchronous")
+    ostr << String(indent, ' ') << getName();
+    if (multiplier > 1)
+        ostr << " × " << multiplier;
+    ostr << std::endl;
+    ++indent;
+
+    /// If the subtree is repeated several times, then we output it once with the multiplier.
+    using Multipliers = std::map<String, size_t>;
+    Multipliers multipliers;
+
+    for (BlockInputStreams::const_iterator it = children.begin(); it != children.end(); ++it)
+        ++multipliers[(*it)->getTreeID()];
+
+    for (BlockInputStreams::iterator it = children.begin(); it != children.end(); ++it)
     {
-        ostr << String(indent, ' ') << getName();
-        if (multiplier > 1)
-            ostr << " × " << multiplier;
-        ostr << std::endl;
-        ++indent;
-
-        /// If the subtree is repeated several times, then we output it once with the multiplier.
-        using Multipliers = std::map<String, size_t>;
-        Multipliers multipliers;
-
-        for (BlockInputStreams::const_iterator it = children.begin(); it != children.end(); ++it)
-            ++multipliers[(*it)->getTreeID()];
-
-        for (BlockInputStreams::iterator it = children.begin(); it != children.end(); ++it)
+        String id = (*it)->getTreeID();
+        size_t & subtree_multiplier = multipliers[id];
+        if (subtree_multiplier != 0)    /// Already printed subtrees are marked with zero in the array of multipliers.
         {
-            String id = (*it)->getTreeID();
-            size_t & subtree_multiplier = multipliers[id];
-            if (subtree_multiplier != 0)    /// Already printed subtrees are marked with zero in the array of multipliers.
-            {
-                (*it)->dumpTree(ostr, indent, subtree_multiplier);
-                subtree_multiplier = 0;
-            }
+            (*it)->dumpTree(ostr, indent, subtree_multiplier);
+            subtree_multiplier = 0;
         }
     }
-    else
-    {
-        for (BlockInputStreams::iterator it = children.begin(); it != children.end(); ++it)
-            (*it)->dumpTree(ostr, indent, multiplier);
-    }
 }
 
 
diff --git a/dbms/src/Storages/ITableDeclaration.cpp b/dbms/src/Storages/ITableDeclaration.cpp
index bf268062406..3dc8e806c7c 100644
--- a/dbms/src/Storages/ITableDeclaration.cpp
+++ b/dbms/src/Storages/ITableDeclaration.cpp
@@ -120,6 +120,20 @@ Block ITableDeclaration::getSampleBlockNonMaterialized() const
 }
 
 
+Block ITableDeclaration::getSampleBlockForColumns(const Names & column_names) const
+{
+    Block res;
+
+    for (const auto & name : column_names)
+    {
+        auto col = getColumn(name);
+        res.insert({ col.type->createColumn(), col.type, name });
+    }
+
+    return res;
+}
+
+
 static std::string listOfColumns(const NamesAndTypesList & available_columns)
 {
     std::stringstream s;
diff --git a/dbms/src/Storages/ITableDeclaration.h b/dbms/src/Storages/ITableDeclaration.h
index 4861a36205f..46649ddc646 100644
--- a/dbms/src/Storages/ITableDeclaration.h
+++ b/dbms/src/Storages/ITableDeclaration.h
@@ -59,6 +59,7 @@ public:
       */
     Block getSampleBlock() const;
     Block getSampleBlockNonMaterialized() const;
+    Block getSampleBlockForColumns(const Names & column_names) const;
 
     /** Verify that all the requested names are in the table and are set correctly.
       * (the list of names is not empty and the names do not repeat)
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
index c528c627f31..024f39a619c 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.h
@@ -31,10 +31,7 @@ public:
 
     ~MergeTreeBaseBlockInputStream() override;
 
-    Block getHeader() override { return storage.getSampleBlock(); };
-
 protected:
-
     Block readImpl() override final;
 
     /// Creates new this->task, and initilizes readers
@@ -48,7 +45,6 @@ protected:
     void injectVirtualColumns(Block & block);
 
 protected:
-
     MergeTreeData & storage;
 
     ExpressionActionsPtr prewhere_actions;
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
index 7b93c1fd181..c92b795a051 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
@@ -62,6 +62,13 @@ MergeTreeBlockInputStream::MergeTreeBlockInputStream(
     setTotalRowsApprox(total_rows);
 }
 
+
+Block MergeTreeBlockInputStream::getHeader()
+{
+    return storage.getSampleBlockForColumns(ordered_names);
+}
+
+
 String MergeTreeBlockInputStream::getID() const
 {
     std::stringstream res;
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
index 6eb9c2e8577..8515a7b5a68 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
@@ -40,6 +40,8 @@ public:
 
     String getID() const override;
 
+    Block getHeader() override;
+
     /// Closes readers and unlock part locks
     void finish();
 
diff --git a/dbms/src/Storages/MergeTree/MergeTreeReadPool.cpp b/dbms/src/Storages/MergeTree/MergeTreeReadPool.cpp
index c30ddb3d27b..e95c576274c 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeReadPool.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeReadPool.cpp
@@ -117,6 +117,12 @@ MergeTreeReadTaskPtr MergeTreeReadPool::getTask(const size_t min_marks_to_read,
 }
 
 
+Block MergeTreeReadPool::getHeader() const
+{
+    return data.getSampleBlockForColumns(column_names);
+}
+
+
 void MergeTreeReadPool::profileFeedback(const ReadBufferFromFileBase::ProfileInfo info)
 {
     if (backoff_settings.min_read_latency_ms == 0 || do_not_steal_tasks)
diff --git a/dbms/src/Storages/MergeTree/MergeTreeReadPool.h b/dbms/src/Storages/MergeTree/MergeTreeReadPool.h
index e93a248bab1..cf7a9c71ef1 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeReadPool.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeReadPool.h
@@ -79,6 +79,8 @@ public:
       */
     void profileFeedback(const ReadBufferFromFileBase::ProfileInfo info);
 
+    Block getHeader() const;
+
 private:
     std::vector<size_t> fillPerPartInfo(
         RangesInDataParts & parts, const ExpressionActionsPtr & prewhere_actions, const String & prewhere_column_name,
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
index b4e1cff0c93..af8f91d0231 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
@@ -38,6 +38,12 @@ MergeTreeThreadBlockInputStream::MergeTreeThreadBlockInputStream(
 }
 
 
+Block MergeTreeThreadBlockInputStream::getHeader()
+{
+    return pool->getHeader();
+};
+
+
 String MergeTreeThreadBlockInputStream::getID() const
 {
     std::stringstream res;
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
index 058746a5d15..58a9859c4f9 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
@@ -1,5 +1,5 @@
 #pragma once
-#include "MergeTreeBaseBlockInputStream.h"
+#include <Storages/MergeTree/MergeTreeBaseBlockInputStream.h>
 
 
 namespace DB
@@ -34,6 +34,8 @@ public:
 
     ~MergeTreeThreadBlockInputStream() override;
 
+    Block getHeader() override;
+
 protected:
     /// Requests read task from MergeTreeReadPool and signals whether it got one
     bool getNewTask() override;
diff --git a/dbms/src/Storages/StorageBuffer.cpp b/dbms/src/Storages/StorageBuffer.cpp
index f4ce03c43a2..ce8ab66ce8b 100644
--- a/dbms/src/Storages/StorageBuffer.cpp
+++ b/dbms/src/Storages/StorageBuffer.cpp
@@ -88,7 +88,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); };
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/Storages/StorageFile.cpp b/dbms/src/Storages/StorageFile.cpp
index fd0ce17c4d0..46d01a3e8eb 100644
--- a/dbms/src/Storages/StorageFile.cpp
+++ b/dbms/src/Storages/StorageFile.cpp
@@ -93,7 +93,6 @@ StorageFile::StorageFile(
 class StorageFileBlockInputStream : public IProfilingBlockInputStream
 {
 public:
-
     StorageFileBlockInputStream(StorageFile & storage_, const Context & context, size_t max_block_size)
         : storage(storage_)
     {
@@ -157,7 +156,7 @@ public:
         return reader->read();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override { return reader->getHeader(); };
 
     void readPrefixImpl() override
     {
diff --git a/dbms/src/Storages/StorageKafka.cpp b/dbms/src/Storages/StorageKafka.cpp
index 3cf83d8632a..df05a1251c4 100644
--- a/dbms/src/Storages/StorageKafka.cpp
+++ b/dbms/src/Storages/StorageKafka.cpp
@@ -176,7 +176,7 @@ public:
         return reader->read();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override { return reader->getHeader(); };
 
     void readPrefixImpl() override
     {
diff --git a/dbms/src/Storages/StorageLog.cpp b/dbms/src/Storages/StorageLog.cpp
index e7715d1ff17..e21e3794d7d 100644
--- a/dbms/src/Storages/StorageLog.cpp
+++ b/dbms/src/Storages/StorageLog.cpp
@@ -73,7 +73,15 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override
+    {
+        Block res;
+
+        for (const auto & name_type : columns)
+            res.insert({ name_type.type->createColumn(), name_type.type, name_type.name });
+
+        return res;
+    };
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/Storages/StorageMemory.cpp b/dbms/src/Storages/StorageMemory.cpp
index 4b55778de40..4f9e16c8943 100644
--- a/dbms/src/Storages/StorageMemory.cpp
+++ b/dbms/src/Storages/StorageMemory.cpp
@@ -37,7 +37,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); };
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index cc4625cfdf8..354952ce69b 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -63,23 +63,21 @@ public:
         return s.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override
+    {
+        start();
+
+        if (block_in)
+            return block_in->getHeader();
+        else
+            return {};
+    };
 
 protected:
     Block readImpl() override
     {
         Block res;
-
-        if (!started)
-        {
-            started = true;
-
-            data_in.emplace(
-                storage.full_path() + "data.bin", 0, 0,
-                std::min(static_cast<Poco::File::FileSize>(max_read_buffer_size), Poco::File(storage.full_path() + "data.bin").getSize()));
-
-            block_in.emplace(*data_in, 0, true, index_begin, index_end);
-        }
+        start();
 
         if (block_in)
         {
@@ -112,6 +110,20 @@ private:
     bool started = false;
     std::optional<CompressedReadBufferFromFile> data_in;
     std::optional<NativeBlockInputStream> block_in;
+
+    void start()
+    {
+        if (!started)
+        {
+            started = true;
+
+            data_in.emplace(
+                storage.full_path() + "data.bin", 0, 0,
+                std::min(static_cast<Poco::File::FileSize>(max_read_buffer_size), Poco::File(storage.full_path() + "data.bin").getSize()));
+
+            block_in.emplace(*data_in, 0, true, index_begin, index_end);
+        }
+    }
 };
 
 
diff --git a/dbms/src/Storages/StorageTinyLog.cpp b/dbms/src/Storages/StorageTinyLog.cpp
index 8cc6f338d7f..186ca85c8ea 100644
--- a/dbms/src/Storages/StorageTinyLog.cpp
+++ b/dbms/src/Storages/StorageTinyLog.cpp
@@ -61,7 +61,15 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return storage.getSampleBlock(); };
+    Block getHeader() override
+    {
+        Block res;
+
+        for (const auto & name_type : columns)
+            res.insert({ name_type.type->createColumn(), name_type.type, name_type.name });
+
+        return res;
+    };
 
 protected:
     Block readImpl() override;

From 098cdf8ebe28c66eb328f5bd0712e8d8f79557e3 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Tue, 9 Jan 2018 05:09:08 +0300
Subject: [PATCH 06/34] Added method "getHeader" in IBlockInputStream
 [#CLICKHOUSE-2]

---
 dbms/src/Server/TCPHandler.cpp         | 6 ------
 dbms/src/Storages/StorageNull.h        | 4 ++--
 dbms/src/Storages/StorageStripeLog.cpp | 2 +-
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/dbms/src/Server/TCPHandler.cpp b/dbms/src/Server/TCPHandler.cpp
index d09d0bb1fa7..540ee6b3e27 100644
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@@ -304,12 +304,6 @@ void TCPHandler::processOrdinaryQuery()
         /// Send header-block, to allow client to prepare output format for data to send.
         {
             Block header = state.io.in->getHeader();
-
-            /// create non-zero columns so that SampleBlock can be
-            /// written (read) with BlockOut(In)putStreams
-            for (auto & elem : header)
-                elem.column = elem.type->createColumn();
-
             if (header)
                 sendData(header);
         }
diff --git a/dbms/src/Storages/StorageNull.h b/dbms/src/Storages/StorageNull.h
index fcf7efa8f72..4e56e2902df 100644
--- a/dbms/src/Storages/StorageNull.h
+++ b/dbms/src/Storages/StorageNull.h
@@ -23,14 +23,14 @@ public:
     const NamesAndTypesList & getColumnsListImpl() const override { return columns; }
 
     BlockInputStreams read(
-        const Names &,
+        const Names & column_names,
         const SelectQueryInfo &,
         const Context &,
         QueryProcessingStage::Enum &,
         size_t,
         unsigned) override
     {
-        return { std::make_shared<NullBlockInputStream>(Block()) };
+        return { std::make_shared<NullBlockInputStream>(getSampleBlockForColumns(column_names)) };
     }
 
     BlockOutputStreamPtr write(const ASTPtr &, const Settings &) override
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index 354952ce69b..af4a04b0f62 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -245,7 +245,7 @@ BlockInputStreams StorageStripeLog::read(
     NameSet column_names_set(column_names.begin(), column_names.end());
 
     if (!Poco::File(full_path() + "index.mrk").exists())
-        return { std::make_shared<NullBlockInputStream>(getSampleBlock()) };
+        return { std::make_shared<NullBlockInputStream>(getSampleBlockForColumns(column_names)) };
 
     CompressedReadBufferFromFile index_in(full_path() + "index.mrk", 0, 0, INDEX_BUFFER_SIZE);
     std::shared_ptr<const IndexForNativeFormat> index{std::make_shared<IndexForNativeFormat>(index_in, column_names_set)};

From 5e80bd636586886e0dd0c267d633df13a9bfa094 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 22 Jan 2018 00:59:03 +0300
Subject: [PATCH 07/34] Miscellaneous [#CLICKHOUSE-2]

---
 dbms/src/Server/Client.cpp | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/dbms/src/Server/Client.cpp b/dbms/src/Server/Client.cpp
index d483cf27c1e..47239c97c6c 100644
--- a/dbms/src/Server/Client.cpp
+++ b/dbms/src/Server/Client.cpp
@@ -26,6 +26,7 @@
 #include <Common/formatReadable.h>
 #include <Common/NetException.h>
 #include <Common/Throttler.h>
+#include <Common/StringUtils/StringUtils.h>
 #include <Common/typeid_cast.h>
 #include <Core/Types.h>
 #include <Core/QueryProcessingStage.h>
@@ -433,12 +434,6 @@ private:
     }
 
 
-    static bool isWhitespace(char c)
-    {
-        return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f';
-    }
-
-
     /// Check if multi-line query is inserted from the paste buffer.
     /// Allows delaying the start of query execution until the entirety of query is inserted.
     static bool hasDataInSTDIN()
@@ -461,7 +456,7 @@ private:
             free(line_);
 
             size_t ws = line.size();
-            while (ws > 0 && isWhitespace(line[ws - 1]))
+            while (ws > 0 && isWhitespaceASCII(line[ws - 1]))
                 --ws;
 
             if (ws == 0 && query.empty())
@@ -592,7 +587,7 @@ private:
                 query = text.substr(begin - text.data(), pos - begin);
 
                 begin = pos;
-                while (isWhitespace(*begin) || *begin == ';')
+                while (isWhitespaceASCII(*begin) || *begin == ';')
                     ++begin;
 
                 try

From 5647a26f4594684af0aa0ee4a0a4b38d01db52cd Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 22 Jan 2018 07:04:57 +0300
Subject: [PATCH 08/34] Style [#CLICKHOUSE-2]

---
 .../ClusterProxy/DescribeStreamFactory.h         | 12 +++++-------
 .../ClusterProxy/SelectStreamFactory.h           | 16 ++++++++--------
 2 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.h b/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.h
index 5489b1f1816..05befc59305 100644
--- a/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.h
+++ b/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.h
@@ -11,13 +11,11 @@ namespace ClusterProxy
 class DescribeStreamFactory final : public IStreamFactory
 {
 public:
-    DescribeStreamFactory() = default;
-
-    virtual void createForShard(
-            const Cluster::ShardInfo & shard_info,
-            const String & query, const ASTPtr & query_ast,
-            const Context & context, const ThrottlerPtr & throttler,
-            BlockInputStreams & res) override;
+    void createForShard(
+        const Cluster::ShardInfo & shard_info,
+        const String & query, const ASTPtr & query_ast,
+        const Context & context, const ThrottlerPtr & throttler,
+        BlockInputStreams & res) override;
 };
 
 }
diff --git a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
index b677d4a8cce..f683a3306f7 100644
--- a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
+++ b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
@@ -14,15 +14,15 @@ class SelectStreamFactory final : public IStreamFactory
 {
 public:
     SelectStreamFactory(
-            QueryProcessingStage::Enum processed_stage,
-            QualifiedTableName main_table,
-            const Tables & external_tables);
+        QueryProcessingStage::Enum processed_stage,
+        QualifiedTableName main_table,
+        const Tables & external_tables);
 
-    virtual void createForShard(
-            const Cluster::ShardInfo & shard_info,
-            const String & query, const ASTPtr & query_ast,
-            const Context & context, const ThrottlerPtr & throttler,
-            BlockInputStreams & res) override;
+    void createForShard(
+        const Cluster::ShardInfo & shard_info,
+        const String & query, const ASTPtr & query_ast,
+        const Context & context, const ThrottlerPtr & throttler,
+        BlockInputStreams & res) override;
 
 private:
     QueryProcessingStage::Enum processed_stage;

From 4b2cff20ea4aa93c89a13f706b145478fd1d0264 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Feb 2018 19:10:25 +0300
Subject: [PATCH 09/34] Whitespace [#CLICKHOUSE-2]

---
 dbms/src/Functions/FunctionsHigherOrder.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/dbms/src/Functions/FunctionsHigherOrder.cpp b/dbms/src/Functions/FunctionsHigherOrder.cpp
index 567a80f195b..a78769b061a 100644
--- a/dbms/src/Functions/FunctionsHigherOrder.cpp
+++ b/dbms/src/Functions/FunctionsHigherOrder.cpp
@@ -17,7 +17,6 @@ void registerFunctionsHigherOrder(FunctionFactory & factory)
     factory.registerFunction<FunctionArraySort>();
     factory.registerFunction<FunctionArrayReverseSort>();
     factory.registerFunction<FunctionArrayCumSum>();
-
 }
 
 }

From e658741ccf666bc8d8b705f9c5c90eb4ce977ec3 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Feb 2018 19:29:34 +0300
Subject: [PATCH 10/34] Removed useless methods [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/AggregatingSortedBlockInputStream.h    | 2 --
 dbms/src/DataStreams/CollapsingSortedBlockInputStream.h     | 2 --
 dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h | 2 --
 dbms/src/DataStreams/ReplacingSortedBlockInputStream.h      | 2 --
 dbms/src/DataStreams/SummingSortedBlockInputStream.h        | 2 --
 5 files changed, 10 deletions(-)

diff --git a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
index bfc800dfc3c..60b6fba25f9 100644
--- a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
@@ -49,8 +49,6 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
index 9ba946c8b3f..9d9043b30c5 100644
--- a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
@@ -50,8 +50,6 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
index 5fd50229151..c5e85bcf8ae 100644
--- a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
@@ -158,8 +158,6 @@ public:
             current_pattern->function->destroy(place_for_aggregate_state.data());
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
-
 protected:
     Block readImpl() override;
 
diff --git a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
index b8962439ed7..0e7fdadc25a 100644
--- a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
@@ -41,8 +41,6 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/SummingSortedBlockInputStream.h b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
index 466ae021275..6a81db02ea4 100644
--- a/dbms/src/DataStreams/SummingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
@@ -37,8 +37,6 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;

From 0cdfadeb5a8d877723f22f19242e93b65baac6d1 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Feb 2018 19:54:14 +0300
Subject: [PATCH 11/34] Removed useless method [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/AggregatingSortedBlockInputStream.h | 1 -
 dbms/src/Storages/StorageMemory.cpp                      | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
index 60b6fba25f9..4f8b10c102f 100644
--- a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
@@ -47,7 +47,6 @@ public:
 
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
-    const SortDescription & getSortDescription() const override { return description; }
 
 protected:
     /// Can return 1 more records than max_block_size.
diff --git a/dbms/src/Storages/StorageMemory.cpp b/dbms/src/Storages/StorageMemory.cpp
index adf47b0d738..876378607ce 100644
--- a/dbms/src/Storages/StorageMemory.cpp
+++ b/dbms/src/Storages/StorageMemory.cpp
@@ -37,7 +37,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); };
+    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); }
 
 protected:
     Block readImpl() override

From 30b657a0da35d21145706b8f8e24107ea48dd4da Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Feb 2018 21:54:12 +0300
Subject: [PATCH 12/34] Header in every stream: development [#CLICKHOUSE-2]

---
 .../DataStreams/RemoteBlockInputStream.cpp    | 76 ++++++++-----------
 dbms/src/DataStreams/RemoteBlockInputStream.h |  8 +-
 .../ClickHouseDictionarySource.cpp            |  4 +-
 .../ClusterProxy/DescribeStreamFactory.cpp    |  3 +-
 .../ClusterProxy/SelectStreamFactory.cpp      | 28 +++----
 .../ClusterProxy/SelectStreamFactory.h        |  2 +
 .../Interpreters/InterpreterDescribeQuery.h   |  3 +-
 .../Interpreters/InterpreterExistsQuery.cpp   |  9 +++
 .../src/Interpreters/InterpreterExistsQuery.h |  2 +
 .../Interpreters/InterpreterSelectQuery.cpp   | 53 ++++++++-----
 .../InterpreterShowCreateQuery.cpp            |  9 +++
 .../Interpreters/InterpreterShowCreateQuery.h |  2 +
 dbms/src/Interpreters/castColumn.cpp          |  3 +
 dbms/src/Server/Benchmark.cpp                 |  2 +-
 dbms/src/Server/ClusterCopier.cpp             | 18 +++--
 dbms/src/Server/PerformanceTest.cpp           |  2 +-
 dbms/src/Storages/StorageDistributed.cpp      | 12 +--
 .../Storages/StorageReplicatedMergeTree.cpp   |  4 +-
 .../getStructureOfRemoteTable.cpp             |  3 +-
 19 files changed, 140 insertions(+), 103 deletions(-)

diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 5a949ffcbbf..13b0b9f876e 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -2,6 +2,7 @@
 #include <DataStreams/OneBlockInputStream.h>
 #include <Common/NetException.h>
 #include <Interpreters/Context.h>
+#include <Interpreters/castColumn.h>
 #include <Storages/IStorage.h>
 
 
@@ -17,9 +18,9 @@ namespace ErrorCodes
 
 RemoteBlockInputStream::RemoteBlockInputStream(
         Connection & connection,
-        const String & query_, const Context & context_, const Settings * settings,
+        const String & query_, const Block & header_, const Context & context_, const Settings * settings,
         const ThrottlerPtr & throttler, const Tables & external_tables_, QueryProcessingStage::Enum stage_)
-    : query(query_), context(context_), external_tables(external_tables_), stage(stage_)
+    : header(header_), query(query_), context(context_), external_tables(external_tables_), stage(stage_)
 {
     if (settings)
         context.setSettings(*settings);
@@ -32,9 +33,9 @@ RemoteBlockInputStream::RemoteBlockInputStream(
 
 RemoteBlockInputStream::RemoteBlockInputStream(
         std::vector<IConnectionPool::Entry> && connections,
-        const String & query_, const Context & context_, const Settings * settings,
+        const String & query_, const Block & header_, const Context & context_, const Settings * settings,
         const ThrottlerPtr & throttler, const Tables & external_tables_, QueryProcessingStage::Enum stage_)
-    : query(query_), context(context_), external_tables(external_tables_), stage(stage_)
+    : header(header_), query(query_), context(context_), external_tables(external_tables_), stage(stage_)
 {
     if (settings)
         context.setSettings(*settings);
@@ -48,9 +49,9 @@ RemoteBlockInputStream::RemoteBlockInputStream(
 
 RemoteBlockInputStream::RemoteBlockInputStream(
         const ConnectionPoolWithFailoverPtr & pool,
-        const String & query_, const Context & context_, const Settings * settings,
+        const String & query_, const Block & header_, const Context & context_, const Settings * settings,
         const ThrottlerPtr & throttler, const Tables & external_tables_, QueryProcessingStage::Enum stage_)
-    : query(query_), context(context_), external_tables(external_tables_), stage(stage_)
+    : header(header_), query(query_), context(context_), external_tables(external_tables_), stage(stage_)
 {
     if (settings)
         context.setSettings(*settings);
@@ -149,7 +150,23 @@ void RemoteBlockInputStream::sendExternalTables()
 }
 
 
-Block RemoteBlockInputStream::receiveBlock()
+/** If we receive a block with slightly different column types, or with excessive columns,
+  *  we will adapt it to expected structure.
+  */
+static Block adaptBlockStructure(const Block & block, const Block & header, const Context & context)
+{
+    /// Special case when reader doesn't care about result structure. Deprecated and used only in Benchmark, PerformanceTest.
+    if (!header)
+        return block;
+
+    Block res;
+    for (const auto & elem : header)
+        res.insert({ castColumn(block.getByName(elem.name), elem.type, context), elem.type, elem.name });
+    return res;
+}
+
+
+Block RemoteBlockInputStream::readImpl()
 {
     if (!sent_query)
     {
@@ -162,14 +179,17 @@ Block RemoteBlockInputStream::receiveBlock()
     while (true)
     {
         if (isCancelled())
-            return {};
+            return Block();
 
         Connection::Packet packet = multiplexed_connections->receivePacket();
 
         switch (packet.type)
         {
             case Protocol::Server::Data:
-                return packet.block;
+                /// If the block is not empty and is not a header block
+                if (packet.block && (packet.block.rows() > 0))
+                    return adaptBlockStructure(packet.block, header, context);
+                break;  /// If the block is empty - we will receive other packets before EndOfStream.
 
             case Protocol::Server::Exception:
                 got_exception_from_replica = true;
@@ -180,7 +200,7 @@ Block RemoteBlockInputStream::receiveBlock()
                 if (!multiplexed_connections->hasActiveConnections())
                 {
                     finished = true;
-                    return {};
+                    return Block();
                 }
                 break;
 
@@ -214,42 +234,6 @@ Block RemoteBlockInputStream::receiveBlock()
     }
 }
 
-
-Block RemoteBlockInputStream::getHeader()
-{
-    if (header)
-        return header;
-
-    Block res = receiveBlock();
-    if (res.rows() > 0)
-        throw Exception("Logical error: the header block must be sent before data", ErrorCodes::LOGICAL_ERROR);
-
-    header = res;
-    return header;
-}
-
-
-Block RemoteBlockInputStream::readImpl()
-{
-    while (true)
-    {
-        Block res = receiveBlock();
-
-        if (finished)
-            return {};
-
-        /// If the block is empty - we will receive other packets before EndOfStream.
-        if (!res)
-            continue;
-
-        if (res.rows() > 0)
-            return res;
-
-        /// Block with zero rows is a header block. The data will be sent in a following packet.
-        header = res;
-    }
-}
-
 void RemoteBlockInputStream::readSuffixImpl()
 {
     /** If one of:
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.h b/dbms/src/DataStreams/RemoteBlockInputStream.h
index c90f5fac904..bf15480fbed 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.h
@@ -24,7 +24,7 @@ public:
     /// If `settings` is nullptr, settings will be taken from context.
     RemoteBlockInputStream(
             Connection & connection,
-            const String & query_, const Context & context_, const Settings * settings = nullptr,
+            const String & query_, const Block & header_, const Context & context_, const Settings * settings = nullptr,
             const ThrottlerPtr & throttler = nullptr, const Tables & external_tables_ = Tables(),
             QueryProcessingStage::Enum stage_ = QueryProcessingStage::Complete);
 
@@ -32,7 +32,7 @@ public:
     /// If `settings` is nullptr, settings will be taken from context.
     RemoteBlockInputStream(
             std::vector<IConnectionPool::Entry> && connections,
-            const String & query_, const Context & context_, const Settings * settings = nullptr,
+            const String & query_, const Block & header_, const Context & context_, const Settings * settings = nullptr,
             const ThrottlerPtr & throttler = nullptr, const Tables & external_tables_ = Tables(),
             QueryProcessingStage::Enum stage_ = QueryProcessingStage::Complete);
 
@@ -40,7 +40,7 @@ public:
     /// If `settings` is nullptr, settings will be taken from context.
     RemoteBlockInputStream(
             const ConnectionPoolWithFailoverPtr & pool,
-            const String & query_, const Context & context_, const Settings * settings = nullptr,
+            const String & query_, const Block & header_, const Context & context_, const Settings * settings = nullptr,
             const ThrottlerPtr & throttler = nullptr, const Tables & external_tables_ = Tables(),
             QueryProcessingStage::Enum stage_ = QueryProcessingStage::Complete);
 
@@ -78,7 +78,7 @@ public:
         return multiplexed_connections->getBlockExtraInfo();
     }
 
-    Block getHeader() override;
+    Block getHeader() override { return header; }
 
 protected:
     /// Send all temporary tables to remote servers
diff --git a/dbms/src/Dictionaries/ClickHouseDictionarySource.cpp b/dbms/src/Dictionaries/ClickHouseDictionarySource.cpp
index 039126b458f..f487aac3644 100644
--- a/dbms/src/Dictionaries/ClickHouseDictionarySource.cpp
+++ b/dbms/src/Dictionaries/ClickHouseDictionarySource.cpp
@@ -73,7 +73,7 @@ BlockInputStreamPtr ClickHouseDictionarySource::loadAll()
       */
     if (is_local)
         return executeQuery(load_all_query, context, true).in;
-    return std::make_shared<RemoteBlockInputStream>(pool, load_all_query, context);
+    return std::make_shared<RemoteBlockInputStream>(pool, load_all_query, sample_block, context);
 }
 
 
@@ -103,7 +103,7 @@ BlockInputStreamPtr ClickHouseDictionarySource::createStreamForSelectiveLoad(con
 {
     if (is_local)
         return executeQuery(query, context, true).in;
-    return std::make_shared<RemoteBlockInputStream>(pool, query, context);
+    return std::make_shared<RemoteBlockInputStream>(pool, query, sample_block, context);
 }
 
 }
diff --git a/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.cpp b/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.cpp
index 570e655263b..a61e14763f7 100644
--- a/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.cpp
+++ b/dbms/src/Interpreters/ClusterProxy/DescribeStreamFactory.cpp
@@ -4,6 +4,7 @@
 #include <DataStreams/BlockExtraInfoInputStream.h>
 #include <DataStreams/RemoteBlockInputStream.h>
 
+
 namespace DB
 {
 
@@ -46,7 +47,7 @@ void DescribeStreamFactory::createForShard(
     }
 
     auto remote_stream = std::make_shared<RemoteBlockInputStream>(
-            shard_info.pool, query, context, nullptr, throttler);
+        shard_info.pool, query, InterpreterDescribeQuery::getSampleBlock(), context, nullptr, throttler);
     remote_stream->setPoolMode(PoolMode::GET_ALL);
     remote_stream->appendExtraInfo();
     res.emplace_back(std::move(remote_stream));
diff --git a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
index 7ba39c1eae5..7ca008a0a2d 100644
--- a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
+++ b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
@@ -28,12 +28,14 @@ namespace ClusterProxy
 {
 
 SelectStreamFactory::SelectStreamFactory(
-        QueryProcessingStage::Enum processed_stage_,
-        QualifiedTableName main_table_,
-        const Tables & external_tables_)
-    : processed_stage{processed_stage_}
-    , main_table(std::move(main_table_))
-    , external_tables{external_tables_}
+    const Block & header,
+    QueryProcessingStage::Enum processed_stage_,
+    QualifiedTableName main_table_,
+    const Tables & external_tables_)
+    : header(header),
+    processed_stage{processed_stage_},
+    main_table(std::move(main_table_)),
+    external_tables{external_tables_}
 {
 }
 
@@ -55,10 +57,10 @@ BlockInputStreamPtr createLocalStream(const ASTPtr & query_ast, const Context &
 }
 
 void SelectStreamFactory::createForShard(
-        const Cluster::ShardInfo & shard_info,
-        const String & query, const ASTPtr & query_ast,
-        const Context & context, const ThrottlerPtr & throttler,
-        BlockInputStreams & res)
+    const Cluster::ShardInfo & shard_info,
+    const String & query, const ASTPtr & query_ast,
+    const Context & context, const ThrottlerPtr & throttler,
+    BlockInputStreams & res)
 {
     auto emplace_local_stream = [&]()
     {
@@ -67,7 +69,7 @@ void SelectStreamFactory::createForShard(
 
     auto emplace_remote_stream = [&]()
     {
-        auto stream = std::make_shared<RemoteBlockInputStream>(shard_info.pool, query, context, nullptr, throttler, external_tables, processed_stage);
+        auto stream = std::make_shared<RemoteBlockInputStream>(shard_info.pool, query, header, context, nullptr, throttler, external_tables, processed_stage);
         stream->setPoolMode(PoolMode::GET_MANY);
         stream->setMainTable(main_table);
         res.emplace_back(std::move(stream));
@@ -157,7 +159,7 @@ void SelectStreamFactory::createForShard(
         auto lazily_create_stream = [
                 pool = shard_info.pool, shard_num = shard_info.shard_num, query, query_ast, context, throttler,
                 main_table = main_table, external_tables = external_tables, stage = processed_stage,
-                local_delay]()
+                local_delay, this]()
             -> BlockInputStreamPtr
         {
             std::vector<ConnectionPoolWithFailover::TryResult> try_results;
@@ -192,7 +194,7 @@ void SelectStreamFactory::createForShard(
                     connections.emplace_back(std::move(try_result.entry));
 
                 return std::make_shared<RemoteBlockInputStream>(
-                        std::move(connections), query, context, nullptr, throttler, external_tables, stage);
+                    std::move(connections), query, header, context, nullptr, throttler, external_tables, stage);
             }
         };
 
diff --git a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
index f683a3306f7..53066a946e9 100644
--- a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
+++ b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.h
@@ -14,6 +14,7 @@ class SelectStreamFactory final : public IStreamFactory
 {
 public:
     SelectStreamFactory(
+        const Block & header,
         QueryProcessingStage::Enum processed_stage,
         QualifiedTableName main_table,
         const Tables & external_tables);
@@ -25,6 +26,7 @@ public:
         BlockInputStreams & res) override;
 
 private:
+    const Block header;
     QueryProcessingStage::Enum processed_stage;
     QualifiedTableName main_table;
     const Tables & external_tables;
diff --git a/dbms/src/Interpreters/InterpreterDescribeQuery.h b/dbms/src/Interpreters/InterpreterDescribeQuery.h
index 28bf635f34c..fc0bea10f2d 100644
--- a/dbms/src/Interpreters/InterpreterDescribeQuery.h
+++ b/dbms/src/Interpreters/InterpreterDescribeQuery.h
@@ -21,11 +21,12 @@ public:
 
     BlockIO execute() override;
 
+    static Block getSampleBlock();
+
 private:
     ASTPtr query_ptr;
     const Context & context;
 
-    Block getSampleBlock();
     BlockInputStreamPtr executeImpl();
 };
 
diff --git a/dbms/src/Interpreters/InterpreterExistsQuery.cpp b/dbms/src/Interpreters/InterpreterExistsQuery.cpp
index 86cddb474e3..08df9fb39ad 100644
--- a/dbms/src/Interpreters/InterpreterExistsQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterExistsQuery.cpp
@@ -21,6 +21,15 @@ BlockIO InterpreterExistsQuery::execute()
 }
 
 
+Block InterpreterExistsQuery::getSampleBlock()
+{
+    return Block{{
+        ColumnUInt8::create(),
+        std::make_shared<DataTypeUInt8>(),
+        "result" }};
+}
+
+
 BlockInputStreamPtr InterpreterExistsQuery::executeImpl()
 {
     const ASTExistsQuery & ast = typeid_cast<const ASTExistsQuery &>(*query_ptr);
diff --git a/dbms/src/Interpreters/InterpreterExistsQuery.h b/dbms/src/Interpreters/InterpreterExistsQuery.h
index c5889cb0ece..b2050b443d8 100644
--- a/dbms/src/Interpreters/InterpreterExistsQuery.h
+++ b/dbms/src/Interpreters/InterpreterExistsQuery.h
@@ -21,6 +21,8 @@ public:
 
     BlockIO execute() override;
 
+    static Block getSampleBlock();
+
 private:
     ASTPtr query_ptr;
     const Context & context;
diff --git a/dbms/src/Interpreters/InterpreterSelectQuery.cpp b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
index fadb3e815d3..b0579452e6f 100644
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@@ -149,37 +149,48 @@ bool InterpreterSelectQuery::hasAggregation(const ASTSelectQuery & query_ptr)
 
 void InterpreterSelectQuery::basicInit(const BlockInputStreamPtr & input)
 {
-    auto query_table = query.table();
-
-    if (query_table && typeid_cast<ASTSelectQuery *>(query_table.get()))
+    /// Read from prepared input.
+    if (input)
     {
         if (table_column_names.empty())
-        {
-            table_column_names = InterpreterSelectQuery::getSampleBlock(query_table, context).getNamesAndTypesList();
-        }
+            table_column_names = input->getHeader().getNamesAndTypesList();
     }
     else
     {
-        if (query_table && typeid_cast<const ASTFunction *>(query_table.get()))
+        auto table_expression = query.table();
+
+        /// Read from subquery.
+        if (table_expression && typeid_cast<const ASTSelectQuery *>(table_expression.get()))
         {
-            /// Get the table function
-            TableFunctionPtr table_function_ptr = TableFunctionFactory::instance().get(typeid_cast<const ASTFunction *>(query_table.get())->name, context);
-            /// Run it and remember the result
-            storage = table_function_ptr->execute(query_table, context);
+            if (table_column_names.empty())
+                table_column_names = InterpreterSelectQuery::getSampleBlock(table_expression, context).getNamesAndTypesList();
         }
         else
         {
-            String database_name;
-            String table_name;
+            /// Read from table function.
+            if (table_expression && typeid_cast<const ASTFunction *>(table_expression.get()))
+            {
+                /// Get the table function
+                TableFunctionPtr table_function_ptr = TableFunctionFactory::instance().get(
+                    typeid_cast<const ASTFunction *>(table_expression.get())->name, context);
+                /// Run it and remember the result
+                storage = table_function_ptr->execute(table_expression, context);
+            }
+            else
+            {
+                /// Read from table.
+                String database_name;
+                String table_name;
 
-            getDatabaseAndTableNames(database_name, table_name);
+                getDatabaseAndTableNames(database_name, table_name);
 
-            storage = context.getTable(database_name, table_name);
+                storage = context.getTable(database_name, table_name);
+            }
+
+            table_lock = storage->lockStructure(false, __PRETTY_FUNCTION__);
+            if (table_column_names.empty())
+                table_column_names = storage->getColumnsListNonMaterialized();
         }
-
-        table_lock = storage->lockStructure(false, __PRETTY_FUNCTION__);
-        if (table_column_names.empty())
-            table_column_names = storage->getColumnsListNonMaterialized();
     }
 
     if (table_column_names.empty())
@@ -849,7 +860,9 @@ QueryProcessingStage::Enum InterpreterSelectQuery::executeFetchColumns()
                 optimize_prewhere(*merge_tree);
         }
 
-        streams = storage->read(required_columns, query_info, context, from_stage, max_block_size, max_streams);
+        /// If there was no already prepared input.
+        if (streams.empty())
+            streams = storage->read(required_columns, query_info, context, from_stage, max_block_size, max_streams);
 
         /// The storage has no data for this query.
         if (streams.empty())
diff --git a/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp b/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
index 74c52ef1fae..774515c9cc3 100644
--- a/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterShowCreateQuery.cpp
@@ -23,6 +23,15 @@ BlockIO InterpreterShowCreateQuery::execute()
 }
 
 
+Block InterpreterShowCreateQuery::getSampleBlock()
+{
+    return Block{{
+        ColumnString::create(),
+        std::make_shared<DataTypeString>(),
+        "statement"}};
+}
+
+
 BlockInputStreamPtr InterpreterShowCreateQuery::executeImpl()
 {
     const ASTShowCreateQuery & ast = typeid_cast<const ASTShowCreateQuery &>(*query_ptr);
diff --git a/dbms/src/Interpreters/InterpreterShowCreateQuery.h b/dbms/src/Interpreters/InterpreterShowCreateQuery.h
index c37fd05b75c..5e8672c1767 100644
--- a/dbms/src/Interpreters/InterpreterShowCreateQuery.h
+++ b/dbms/src/Interpreters/InterpreterShowCreateQuery.h
@@ -21,6 +21,8 @@ public:
 
     BlockIO execute() override;
 
+    static Block getSampleBlock();
+
 private:
     ASTPtr query_ptr;
     const Context & context;
diff --git a/dbms/src/Interpreters/castColumn.cpp b/dbms/src/Interpreters/castColumn.cpp
index daa75081c52..6c5d68d4c7b 100644
--- a/dbms/src/Interpreters/castColumn.cpp
+++ b/dbms/src/Interpreters/castColumn.cpp
@@ -9,6 +9,9 @@ namespace DB
 
 ColumnPtr castColumn(const ColumnWithTypeAndName & arg, const DataTypePtr & type, const Context & context)
 {
+    if (arg.type->equals(*type))
+        return arg.column;
+
     Block temporary_block
     {
         arg,
diff --git a/dbms/src/Server/Benchmark.cpp b/dbms/src/Server/Benchmark.cpp
index ceeb75accce..989ab07aa0f 100644
--- a/dbms/src/Server/Benchmark.cpp
+++ b/dbms/src/Server/Benchmark.cpp
@@ -303,7 +303,7 @@ private:
     void execute(ConnectionPool::Entry & connection, Query & query)
     {
         Stopwatch watch;
-        RemoteBlockInputStream stream(*connection, query, global_context, &settings, nullptr, Tables(), query_processing_stage);
+        RemoteBlockInputStream stream(*connection, query, {}, global_context, &settings, nullptr, Tables(), query_processing_stage);
 
         Progress progress;
         stream.setProgressCallback([&progress](const Progress & value) { progress.incrementPiecewiseAtomically(value); });
diff --git a/dbms/src/Server/ClusterCopier.cpp b/dbms/src/Server/ClusterCopier.cpp
index 7e0e9b27a8a..02dbf7367c2 100644
--- a/dbms/src/Server/ClusterCopier.cpp
+++ b/dbms/src/Server/ClusterCopier.cpp
@@ -25,6 +25,8 @@
 #include <Interpreters/Cluster.h>
 #include <Interpreters/InterpreterSelectQuery.h>
 #include <Interpreters/InterpreterInsertQuery.h>
+#include <Interpreters/InterpreterExistsQuery.h>
+#include <Interpreters/InterpreterShowCreateQuery.h>
 #include <Interpreters/InterpreterFactory.h>
 #include <Interpreters/InterpreterDropQuery.h>
 #include <Interpreters/InterpreterCreateQuery.h>
@@ -49,6 +51,7 @@
 #include <DataStreams/SquashingBlockInputStream.h>
 #include <Common/isLocalAddress.h>
 #include <DataStreams/copyData.h>
+#include <DataTypes/DataTypeString.h>
 #include <DataStreams/NullBlockOutputStream.h>
 #include <IO/Operators.h>
 #include <IO/ReadBufferFromString.h>
@@ -1405,14 +1408,16 @@ protected:
     bool existsRemoteTable(const DatabaseAndTableName & table, Connection & connection)
     {
         String query = "EXISTS " + getDatabaseDotTable(table);
-        Block block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(connection, query, context));
+        Block block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(
+            connection, query, InterpreterExistsQuery::getSampleBlock(), context));
         return block.safeGetByPosition(0).column->getUInt(0) != 0;
     }
 
     String getRemoteCreateTable(const DatabaseAndTableName & table, Connection & connection, const Settings * settings = nullptr)
     {
         String query = "SHOW CREATE TABLE " + getDatabaseDotTable(table);
-        Block block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(connection, query, context, settings));
+        Block block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(
+            connection, query, InterpreterShowCreateQuery::getSampleBlock(), context, settings));
 
         return typeid_cast<const ColumnString &>(*block.safeGetByPosition(0).column).getDataAt(0).toString();
     }
@@ -1426,7 +1431,8 @@ protected:
                << " database = " << DB::quote << table.first
                << " AND table = " << DB::quote << table.second;
 
-            block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(connection, wb.str(), context, settings));
+            block = getBlockWithAllStreamData(std::make_shared<RemoteBlockInputStream>(
+                connection, wb.str(), Block{{ ColumnString::create(), std::make_shared<DataTypeString>(), "partition" }}, context, settings));
         }
 
         Strings res;
@@ -1449,8 +1455,8 @@ protected:
     }
 
     /** Executes simple query (without output streams, for example DDL queries) on each shard of the cluster
-     * Returns number of shards for which at least one replica executed query successfully
-     */
+      * Returns number of shards for which at least one replica executed query successfully
+      */
     size_t executeQueryOnCluster(
         const ClusterPtr & cluster,
         const String & query,
@@ -1513,7 +1519,7 @@ protected:
                     {
                         try
                         {
-                            RemoteBlockInputStream stream(*connection, query, context, &current_settings);
+                            RemoteBlockInputStream stream(*connection, query, {}, context, &current_settings);
                             NullBlockOutputStream output;
                             copyData(stream, output);
 
diff --git a/dbms/src/Server/PerformanceTest.cpp b/dbms/src/Server/PerformanceTest.cpp
index e111c53f7ca..d5239ac0e49 100644
--- a/dbms/src/Server/PerformanceTest.cpp
+++ b/dbms/src/Server/PerformanceTest.cpp
@@ -1087,7 +1087,7 @@ private:
         statistics.last_query_rows_read = 0;
         statistics.last_query_bytes_read = 0;
 
-        RemoteBlockInputStream stream(connection, query, global_context, &settings);
+        RemoteBlockInputStream stream(connection, query, {}, global_context, &settings);
 
         stream.setProgressCallback(
             [&](const Progress & value) { this->checkFulfilledConditionsAndUpdate(value, stream, statistics, stop_conditions); });
diff --git a/dbms/src/Storages/StorageDistributed.cpp b/dbms/src/Storages/StorageDistributed.cpp
index f2d329e97d8..e6683d6218b 100644
--- a/dbms/src/Storages/StorageDistributed.cpp
+++ b/dbms/src/Storages/StorageDistributed.cpp
@@ -1,5 +1,4 @@
-#include <DataStreams/BlockExtraInfoInputStream.h>
-#include <DataStreams/UnionBlockInputStream.h>
+#include <DataStreams/OneBlockInputStream.h>
 
 #include <Databases/IDatabase.h>
 
@@ -171,7 +170,7 @@ StoragePtr StorageDistributed::createWithOwnCluster(
 
 
 BlockInputStreams StorageDistributed::read(
-    const Names & /*column_names*/,
+    const Names & column_names,
     const SelectQueryInfo & query_info,
     const Context & context,
     QueryProcessingStage::Enum & processed_stage,
@@ -196,11 +195,14 @@ BlockInputStreams StorageDistributed::read(
     if (settings.global_subqueries_method == GlobalSubqueriesMethod::PUSH)
         external_tables = context.getExternalTables();
 
+    Block header = InterpreterSelectQuery(query_info.query, context, processed_stage, 0,
+        std::make_shared<OneBlockInputStream>(getSampleBlockForColumns(column_names))).execute().in->getHeader();
+
     ClusterProxy::SelectStreamFactory select_stream_factory(
-        processed_stage, QualifiedTableName{remote_database, remote_table}, external_tables);
+        header, processed_stage, QualifiedTableName{remote_database, remote_table}, external_tables);
 
     return ClusterProxy::executeQuery(
-            select_stream_factory, cluster, modified_query_ast, context, settings);
+        select_stream_factory, cluster, modified_query_ast, context, settings);
 }
 
 
diff --git a/dbms/src/Storages/StorageReplicatedMergeTree.cpp b/dbms/src/Storages/StorageReplicatedMergeTree.cpp
index d5c1075e07e..14cc102f609 100644
--- a/dbms/src/Storages/StorageReplicatedMergeTree.cpp
+++ b/dbms/src/Storages/StorageReplicatedMergeTree.cpp
@@ -1669,7 +1669,7 @@ namespace
 
             if (left->info.max_block <= part_info.min_block && right->info.min_block >= part_info.max_block)
             {
-                if (out_reason) 
+                if (out_reason)
                     *out_reason = "Quorum 'last part' condition is unsatisfied";
                 return false;
             }
@@ -3213,7 +3213,7 @@ void StorageReplicatedMergeTree::sendRequestToLeaderReplica(const ASTPtr & query
         leader_address.database,
         "", "", timeouts, "ClickHouse replica");
 
-    RemoteBlockInputStream stream(connection, formattedAST(new_query), context, &settings);
+    RemoteBlockInputStream stream(connection, formattedAST(new_query), {}, context, &settings);
     NullBlockOutputStream output;
 
     copyData(stream, output);
diff --git a/dbms/src/TableFunctions/getStructureOfRemoteTable.cpp b/dbms/src/TableFunctions/getStructureOfRemoteTable.cpp
index 8f043560804..3cb68d25416 100644
--- a/dbms/src/TableFunctions/getStructureOfRemoteTable.cpp
+++ b/dbms/src/TableFunctions/getStructureOfRemoteTable.cpp
@@ -1,5 +1,6 @@
 #include <Interpreters/Cluster.h>
 #include <Interpreters/Context.h>
+#include <Interpreters/InterpreterDescribeQuery.h>
 #include <DataStreams/RemoteBlockInputStream.h>
 #include <DataTypes/DataTypeFactory.h>
 #include <Storages/IStorage.h>
@@ -33,7 +34,7 @@ NamesAndTypesList getStructureOfRemoteTable(
     if (shard_info.isLocal())
         return context.getTable(database, table)->getColumnsList();
 
-    auto input = std::make_shared<RemoteBlockInputStream>(shard_info.pool, query, context);
+    auto input = std::make_shared<RemoteBlockInputStream>(shard_info.pool, query, InterpreterDescribeQuery::getSampleBlock(), context);
     input->setPoolMode(PoolMode::GET_ONE);
     input->setMainTable(QualifiedTableName{database, table});
     input->readPrefix();

From 69a9723ce2f230245c2f5bf594fedb6c1bc3a602 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Thu, 15 Feb 2018 22:48:41 +0300
Subject: [PATCH 13/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Core/iostream_debug_helpers.cpp      |   1 -
 dbms/src/DataStreams/LazyBlockInputStream.h   | 121 ++++++++----------
 .../ClusterProxy/SelectStreamFactory.cpp      |   2 +-
 dbms/src/Interpreters/ExpressionAnalyzer.cpp  |  11 +-
 dbms/src/Interpreters/ExpressionAnalyzer.h    |   1 -
 dbms/src/Storages/StorageMerge.cpp            |   9 +-
 6 files changed, 62 insertions(+), 83 deletions(-)

diff --git a/dbms/src/Core/iostream_debug_helpers.cpp b/dbms/src/Core/iostream_debug_helpers.cpp
index 4277126e7e2..3e29ff14e85 100644
--- a/dbms/src/Core/iostream_debug_helpers.cpp
+++ b/dbms/src/Core/iostream_debug_helpers.cpp
@@ -115,7 +115,6 @@ std::ostream & operator<<(std::ostream & stream, const Connection::Packet & what
 std::ostream & operator<<(std::ostream & stream, const SubqueryForSet & what)
 {
     stream << "SubqueryForSet(source = " << what.source
-    << ", source_sample = " <<  what.source_sample
     // TODO: << ", set = " <<  what.set << ", join = " <<  what.join
     << ", table = " << what.table
     << ")";
diff --git a/dbms/src/DataStreams/LazyBlockInputStream.h b/dbms/src/DataStreams/LazyBlockInputStream.h
index 55f9c7053e1..783995a2496 100644
--- a/dbms/src/DataStreams/LazyBlockInputStream.h
+++ b/dbms/src/DataStreams/LazyBlockInputStream.h
@@ -15,14 +15,13 @@ class LazyBlockInputStream : public IProfilingBlockInputStream
 public:
     using Generator = std::function<BlockInputStreamPtr()>;
 
-    LazyBlockInputStream(Generator generator_)
-        : generator(std::move(generator_))
+    LazyBlockInputStream(const Block & header_, Generator generator_)
+        : header(header_), generator(std::move(generator_))
     {
     }
 
-    LazyBlockInputStream(const char * name_, Generator generator_)
-        : name(name_)
-        , generator(std::move(generator_))
+    LazyBlockInputStream(const char * name_, const Block & header_, Generator generator_)
+        : name(name_), header(header_), generator(std::move(generator_))
     {
     }
 
@@ -36,88 +35,70 @@ public:
 
     Block getHeader() override
     {
-        std::cerr << "LazyBlockInputStream::getHeader()\n";
-
-        init();
-        if (!input)
-            return {};
-
-        return input->getHeader();
+        return header;
     }
 
 protected:
     Block readImpl() override
     {
-        init();
         if (!input)
-            return {};
+        {
+            input = generator();
+
+            if (!input)
+                return Block();
+
+            auto * p_input = dynamic_cast<IProfilingBlockInputStream *>(input.get());
+
+            if (p_input)
+            {
+                /// They could have been set before, but were not passed into the `input`.
+                if (progress_callback)
+                    p_input->setProgressCallback(progress_callback);
+                if (process_list_elem)
+                    p_input->setProcessListElement(process_list_elem);
+            }
+
+            input->readPrefix();
+
+            {
+                std::lock_guard<std::mutex> lock(cancel_mutex);
+
+                /** TODO Data race here. See IProfilingBlockInputStream::collectAndSendTotalRowsApprox.
+                    Assume following pipeline:
+
+                    RemoteBlockInputStream
+                     AsynchronousBlockInputStream
+                      LazyBlockInputStream
+
+                    RemoteBlockInputStream calls AsynchronousBlockInputStream::readPrefix
+                     and AsynchronousBlockInputStream spawns a thread and returns.
+
+                    The separate thread will call LazyBlockInputStream::read
+                     LazyBlockInputStream::read will add more children to itself
+
+                    In the same moment, in main thread, RemoteBlockInputStream::read is called,
+                     then IProfilingBlockInputStream::collectAndSendTotalRowsApprox is called
+                     and iterates over set of children.
+                  */
+                children.push_back(input);
+
+                if (isCancelled() && p_input)
+                    p_input->cancel();
+            }
+        }
 
         return input->read();
     }
 
 private:
     const char * name = "Lazy";
+    Block header;
     Generator generator;
 
-    bool initialized = false;
     BlockInputStreamPtr input;
 
     std::mutex cancel_mutex;
-
-    void init()
-    {
-        if (initialized)
-            return;
-
-        std::cerr << "LazyBlockInputStream::init()\n";
-
-        input = generator();
-        initialized = true;
-
-        if (!input)
-            return;
-
-        std::cerr << "!\n";
-
-        auto * p_input = dynamic_cast<IProfilingBlockInputStream *>(input.get());
-
-        if (p_input)
-        {
-            /// They could have been set before, but were not passed into the `input`.
-            if (progress_callback)
-                p_input->setProgressCallback(progress_callback);
-            if (process_list_elem)
-                p_input->setProcessListElement(process_list_elem);
-        }
-
-        input->readPrefix();
-
-        {
-            std::lock_guard<std::mutex> lock(cancel_mutex);
-
-            /** TODO Data race here. See IProfilingBlockInputStream::collectAndSendTotalRowsApprox.
-                Assume following pipeline:
-
-                RemoteBlockInputStream
-                    AsynchronousBlockInputStream
-                    LazyBlockInputStream
-
-                RemoteBlockInputStream calls AsynchronousBlockInputStream::readPrefix
-                    and AsynchronousBlockInputStream spawns a thread and returns.
-
-                The separate thread will call LazyBlockInputStream::read
-                    LazyBlockInputStream::read will add more children to itself
-
-                In the same moment, in main thread, RemoteBlockInputStream::read is called,
-                    then IProfilingBlockInputStream::collectAndSendTotalRowsApprox is called
-                    and iterates over set of children.
-                */
-            children.push_back(input);
-
-            if (isCancelled() && p_input)
-                p_input->cancel();
-        }
-    }
 };
 
 }
diff --git a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
index 7ca008a0a2d..43ef98dfb26 100644
--- a/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
+++ b/dbms/src/Interpreters/ClusterProxy/SelectStreamFactory.cpp
@@ -198,7 +198,7 @@ void SelectStreamFactory::createForShard(
             }
         };
 
-        res.emplace_back(std::make_shared<LazyBlockInputStream>("LazyShardWithLocalReplica", lazily_create_stream));
+        res.emplace_back(std::make_shared<LazyBlockInputStream>("LazyShardWithLocalReplica", header, lazily_create_stream));
     }
     else
         emplace_remote_stream();
diff --git a/dbms/src/Interpreters/ExpressionAnalyzer.cpp b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
index a519ebb6dbd..259cd8f3503 100644
--- a/dbms/src/Interpreters/ExpressionAnalyzer.cpp
+++ b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
@@ -883,7 +883,6 @@ void ExpressionAnalyzer::addExternalStorage(ASTPtr & subquery_or_table_name_or_t
 
     external_tables[external_table_name] = external_storage;
     subqueries_for_sets[external_table_name].source = interpreter->execute().in;
-    subqueries_for_sets[external_table_name].source_sample = interpreter->getSampleBlock();
     subqueries_for_sets[external_table_name].table = external_storage;
 
     /** NOTE If it was written IN tmp_table - the existing temporary (but not external) table,
@@ -1661,8 +1660,7 @@ void ExpressionAnalyzer::makeSet(const ASTFunction * node, const Block & sample_
         {
             auto interpreter = interpretSubquery(arg, context, subquery_depth, {});
             subquery_for_set.source = std::make_shared<LazyBlockInputStream>(
-                [interpreter]() mutable { return interpreter->execute().in; });
-            subquery_for_set.source_sample = interpreter->getSampleBlock();
+                interpreter->getSampleBlock(), [interpreter]() mutable { return interpreter->execute().in; });
 
             /** Why is LazyBlockInputStream used?
               *
@@ -2486,13 +2484,14 @@ bool ExpressionAnalyzer::appendJoin(ExpressionActionsChain & chain, bool only_ty
                 table = table_to_join.subquery;
 
             auto interpreter = interpretSubquery(table, context, subquery_depth, required_joined_columns);
-            subquery_for_set.source = std::make_shared<LazyBlockInputStream>([interpreter]() mutable { return interpreter->execute().in; });
-            subquery_for_set.source_sample = interpreter->getSampleBlock();
+            subquery_for_set.source = std::make_shared<LazyBlockInputStream>(
+                interpreter->getSampleBlock(),
+                [interpreter]() mutable { return interpreter->execute().in; });
         }
 
         /// TODO You do not need to set this up when JOIN is only needed on remote servers.
         subquery_for_set.join = join;
-        subquery_for_set.join->setSampleBlock(subquery_for_set.source_sample);
+        subquery_for_set.join->setSampleBlock(subquery_for_set.source->getHeader());
     }
 
     addJoinAction(step.actions, false);
diff --git a/dbms/src/Interpreters/ExpressionAnalyzer.h b/dbms/src/Interpreters/ExpressionAnalyzer.h
index b11bd025a2e..ccd60b296cb 100644
--- a/dbms/src/Interpreters/ExpressionAnalyzer.h
+++ b/dbms/src/Interpreters/ExpressionAnalyzer.h
@@ -41,7 +41,6 @@ struct SubqueryForSet
 {
     /// The source is obtained using the InterpreterSelectQuery subquery.
     BlockInputStreamPtr source;
-    Block source_sample;
 
     /// If set, build it from result.
     SetPtr set;
diff --git a/dbms/src/Storages/StorageMerge.cpp b/dbms/src/Storages/StorageMerge.cpp
index 319b398f372..39be47eab9b 100644
--- a/dbms/src/Storages/StorageMerge.cpp
+++ b/dbms/src/Storages/StorageMerge.cpp
@@ -137,6 +137,7 @@ BlockInputStreams StorageMerge::read(
     const unsigned num_streams)
 {
     BlockInputStreams res;
+    Block header = getSampleBlockForColumns(column_names);
 
     Names virt_column_names, real_column_names;
     for (const auto & it : column_names)
@@ -223,13 +224,13 @@ BlockInputStreams StorageMerge::read(
             for (auto & stream : source_streams)
             {
                 /// will throw if some columns not convertible
-                stream = std::make_shared<CastTypeBlockInputStream>(context, stream, getSampleBlock());
+                stream = std::make_shared<CastTypeBlockInputStream>(context, stream, header);
             }
         }
         else
         {
             /// If many streams, initialize it lazily, to avoid long delay before start of query processing.
-            source_streams.emplace_back(std::make_shared<LazyBlockInputStream>([=]
+            source_streams.emplace_back(std::make_shared<LazyBlockInputStream>(header, [=]
             {
                 QueryProcessingStage::Enum processed_stage_in_source_table = processed_stage;
                 BlockInputStreams streams = table->read(
@@ -247,11 +248,11 @@ BlockInputStreams StorageMerge::read(
                     throw Exception("Source tables for Merge table are processing data up to different stages",
                         ErrorCodes::INCOMPATIBLE_SOURCE_TABLES);
 
-                auto stream = streams.empty() ? std::make_shared<NullBlockInputStream>(getSampleBlock()) : streams.front();
+                auto stream = streams.empty() ? std::make_shared<NullBlockInputStream>(header) : streams.front();
                 if (!streams.empty())
                 {
                     /// will throw if some columns not convertible
-                    stream = std::make_shared<CastTypeBlockInputStream>(context, stream, getSampleBlock());
+                    stream = std::make_shared<CastTypeBlockInputStream>(context, stream, header);
                 }
                 return stream;
             }));

From 264e6cbc84d213c0a778788f88435680dc263fb6 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 16 Feb 2018 00:31:09 +0300
Subject: [PATCH 14/34] Header in every stream: development [#CLICKHOUSE-2]

---
 contrib/zookeeper                                      |  2 +-
 dbms/src/DataStreams/FilterBlockInputStream.cpp        |  1 +
 .../Storages/MergeTree/MergeTreeDataSelectExecutor.cpp | 10 ++++++++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/contrib/zookeeper b/contrib/zookeeper
index c2beb1c0f99..5aa9e889fe9 160000
--- a/contrib/zookeeper
+++ b/contrib/zookeeper
@@ -1 +1 @@
-Subproject commit c2beb1c0f998e7d22de4f2c18ca98c77ecaeabf9
+Subproject commit 5aa9e889fe9e739af3c2a00222d9a3a0a57179dd
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 2bbcb6d76e2..44dd7cdb3d8 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -30,6 +30,7 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
 
     /// Determine position of filter column.
     Block src_header = expression->getSampleBlock();
+
     filter_column = src_header.getPositionByName(filter_column_name);
 }
 
diff --git a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index 21a5ca7fbea..1d22bdecd50 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -473,9 +473,15 @@ BlockInputStreams MergeTreeDataSelectExecutor::read(
                 filter_function->children.push_back(filter_function->arguments);
             }
 
-            filter_expression = ExpressionAnalyzer(filter_function, context, nullptr, available_real_columns).getActions(false);
+            /// Add all other columns: expression must save them.
+            ASTPtr expr_with_filter = std::make_shared<ASTExpressionList>();
+            for (const auto & name : column_names_to_read)
+                expr_with_filter->children.push_back(std::make_shared<ASTIdentifier>(StringRange(), name));
+            expr_with_filter->children.push_back(filter_function);
 
-            /// Add columns needed for `sampling_expression`.
+            filter_expression = ExpressionAnalyzer(expr_with_filter, context, nullptr, available_real_columns).getActions(true);
+
+            /// Add columns needed for `sampling_expression` to `column_names_to_read`.
             std::vector<String> add_columns = filter_expression->getRequiredColumns();
             column_names_to_read.insert(column_names_to_read.end(), add_columns.begin(), add_columns.end());
             std::sort(column_names_to_read.begin(), column_names_to_read.end());

From d76feb779cd52a68efb3ccd7da0c43b53021bc02 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 16 Feb 2018 22:04:27 +0300
Subject: [PATCH 15/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp | 6 +-----
 dbms/src/DataStreams/TotalsHavingBlockInputStream.h   | 2 --
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index 75be32c80c5..24a74cfa1d8 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -72,7 +72,7 @@ const Block & TotalsHavingBlockInputStream::getTotals()
                 addToTotals(overflow_aggregates, nullptr);
         }
 
-        totals = unfinalized_header.cloneWithColumns(std::move(current_totals));
+        totals = children.at(0)->getHeader().cloneWithColumns(std::move(current_totals));
         finalize(totals);
     }
 
@@ -86,7 +86,6 @@ const Block & TotalsHavingBlockInputStream::getTotals()
 Block TotalsHavingBlockInputStream::getHeader()
 {
     Block res = children.at(0)->getHeader();
-    unfinalized_header = res;
     finalize(res);
     if (expression)
         expression->execute(res);
@@ -96,9 +95,6 @@ Block TotalsHavingBlockInputStream::getHeader()
 
 Block TotalsHavingBlockInputStream::readImpl()
 {
-    if (!unfinalized_header)
-        getHeader();
-
     Block finalized;
     Block block;
 
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
index 09bbddbdb15..340a18c2bd5 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
@@ -45,8 +45,6 @@ private:
     size_t passed_keys = 0;
     size_t total_keys = 0;
 
-    Block unfinalized_header;
-
     /** Here are the values that did not pass max_rows_to_group_by.
       * They are added or not added to the current_totals, depending on the totals_mode.
       */

From a849bb8c0487a13aeda898d7e5a11740443af488 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 16 Feb 2018 22:34:21 +0300
Subject: [PATCH 16/34] Fixed compatibility with older clients #1918

---
 dbms/src/Core/Defines.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/Core/Defines.h b/dbms/src/Core/Defines.h
index d730fd1b14f..8b69d83d69e 100644
--- a/dbms/src/Core/Defines.h
+++ b/dbms/src/Core/Defines.h
@@ -59,7 +59,7 @@
 #define DBMS_MIN_REVISION_WITH_SERVER_TIMEZONE 54058
 #define DBMS_MIN_REVISION_WITH_QUOTA_KEY_IN_CLIENT_INFO 54060
 #define DBMS_MIN_REVISION_WITH_TABLES_STATUS 54226
-#define DBMS_MIN_REVISION_WITH_TIME_ZONE_PARAMETER_IN_DATETIME_DATA_TYPE 54311
+#define DBMS_MIN_REVISION_WITH_TIME_ZONE_PARAMETER_IN_DATETIME_DATA_TYPE 54337
 
 /// Version of ClickHouse TCP protocol. Set to git tag with latest protocol change.
 #define DBMS_TCP_PROTOCOL_VERSION 54226

From a6737907488c4fd9aac32802e817d8a4a6d7ddb0 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 16 Feb 2018 23:53:47 +0300
Subject: [PATCH 17/34] Header in every stream: development [#CLICKHOUSE-2]

---
 .../AggregatingBlockInputStream.cpp           |  3 +--
 .../DataStreams/RemoteBlockInputStream.cpp    |  2 ++
 dbms/src/Interpreters/Aggregator.cpp          |  2 +-
 dbms/src/Interpreters/Aggregator.h            | 20 +++++++++----------
 dbms/src/Server/TCPHandler.cpp                |  1 +
 5 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
index db2af1fa867..45d85f7c682 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
@@ -68,9 +68,8 @@ Block AggregatingBlockInputStream::readImpl()
         }
     }
 
-    Block res;
     if (isCancelled() || !impl)
-        return res;
+        return {};
 
     return impl->read();
 }
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 13b0b9f876e..311cda1727b 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -160,6 +160,8 @@ static Block adaptBlockStructure(const Block & block, const Block & header, cons
         return block;
 
     Block res;
+    res.info = block.info;
+
     for (const auto & elem : header)
         res.insert({ castColumn(block.getByName(elem.name), elem.type, context), elem.type, elem.name });
     return res;
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 8463f477092..7a7b38b4915 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -1026,7 +1026,7 @@ void Aggregator::execute(const BlockInputStreamPtr & stream, AggregatedDataVaria
     }
 
     double elapsed_seconds = watch.elapsedSeconds();
-    size_t rows = result.size();
+    size_t rows = result.sizeWithoutOverflowRow();
     LOG_TRACE(log, std::fixed << std::setprecision(3)
         << "Aggregated. " << src_rows << " to " << rows << " rows (from " << src_bytes / 1048576.0 << " MiB)"
         << " in " << elapsed_seconds << " sec."
diff --git a/dbms/src/Interpreters/Aggregator.h b/dbms/src/Interpreters/Aggregator.h
index f142c8c5be0..8d99b0210b6 100644
--- a/dbms/src/Interpreters/Aggregator.h
+++ b/dbms/src/Interpreters/Aggregator.h
@@ -812,8 +812,8 @@ struct AggregatedDataVariants : private boost::noncopyable
     {
         switch (type_)
         {
-            case Type::EMPTY:        break;
-            case Type::without_key:    break;
+            case Type::EMPTY:       break;
+            case Type::without_key: break;
 
         #define M(NAME, IS_TWO_LEVEL) \
             case Type::NAME: NAME = std::make_unique<decltype(NAME)::element_type>(); break;
@@ -832,8 +832,8 @@ struct AggregatedDataVariants : private boost::noncopyable
     {
         switch (type)
         {
-            case Type::EMPTY:        return 0;
-            case Type::without_key:    return 1;
+            case Type::EMPTY:       return 0;
+            case Type::without_key: return 1;
 
         #define M(NAME, IS_TWO_LEVEL) \
             case Type::NAME: return NAME->data.size() + (without_key != nullptr);
@@ -850,8 +850,8 @@ struct AggregatedDataVariants : private boost::noncopyable
     {
         switch (type)
         {
-            case Type::EMPTY:        return 0;
-            case Type::without_key:    return 1;
+            case Type::EMPTY:       return 0;
+            case Type::without_key: return 1;
 
             #define M(NAME, IS_TWO_LEVEL) \
             case Type::NAME: return NAME->data.size();
@@ -867,8 +867,8 @@ struct AggregatedDataVariants : private boost::noncopyable
     {
         switch (type)
         {
-            case Type::EMPTY:        return "EMPTY";
-            case Type::without_key:    return "without_key";
+            case Type::EMPTY:       return "EMPTY";
+            case Type::without_key: return "without_key";
 
         #define M(NAME, IS_TWO_LEVEL) \
             case Type::NAME: return #NAME;
@@ -884,8 +884,8 @@ struct AggregatedDataVariants : private boost::noncopyable
     {
         switch (type)
         {
-            case Type::EMPTY:        return false;
-            case Type::without_key:    return false;
+            case Type::EMPTY:       return false;
+            case Type::without_key: return false;
 
         #define M(NAME, IS_TWO_LEVEL) \
             case Type::NAME: return IS_TWO_LEVEL;
diff --git a/dbms/src/Server/TCPHandler.cpp b/dbms/src/Server/TCPHandler.cpp
index 540ee6b3e27..e27d4f088e0 100644
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@@ -32,6 +32,7 @@
 
 #include <Common/NetException.h>
 
+
 namespace DB
 {
 

From 6f9685742789841f1359943ee853a5910fc092a2 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 05:27:34 +0300
Subject: [PATCH 18/34] Header in every stream: development [#CLICKHOUSE-2]

---
 contrib/zookeeper                             |  2 +-
 dbms/src/Functions/FunctionsMiscellaneous.cpp | 25 +++----------------
 dbms/src/Functions/FunctionsTransform.h       |  2 +-
 3 files changed, 6 insertions(+), 23 deletions(-)

diff --git a/contrib/zookeeper b/contrib/zookeeper
index 438afae5af3..5aa9e889fe9 160000
--- a/contrib/zookeeper
+++ b/contrib/zookeeper
@@ -1 +1 @@
-Subproject commit 438afae5af36c5be9c82d074f43a9bb19e0797c0
+Subproject commit 5aa9e889fe9e739af3c2a00222d9a3a0a57179dd
diff --git a/dbms/src/Functions/FunctionsMiscellaneous.cpp b/dbms/src/Functions/FunctionsMiscellaneous.cpp
index 9c2f94c97a2..2eb31413bea 100644
--- a/dbms/src/Functions/FunctionsMiscellaneous.cpp
+++ b/dbms/src/Functions/FunctionsMiscellaneous.cpp
@@ -599,30 +599,13 @@ public:
     void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result) override
     {
         const IColumn * col = block.getByPosition(arguments[0]).column.get();
-        double seconds;
-        size_t size = col->size();
 
-        if (auto column = checkAndGetColumnConst<ColumnVector<Float64>>(col))
-            seconds = column->getValue<Float64>();
-
-        else if (auto column = checkAndGetColumnConst<ColumnVector<Float32>>(col))
-            seconds = static_cast<double>(column->getValue<Float64>());
-
-        else if (auto column = checkAndGetColumnConst<ColumnVector<UInt64>>(col))
-            seconds = static_cast<double>(column->getValue<UInt64>());
-
-        else if (auto column = checkAndGetColumnConst<ColumnVector<UInt32>>(col))
-            seconds = static_cast<double>(column->getValue<UInt32>());
-
-        else if (auto column = checkAndGetColumnConst<ColumnVector<UInt16>>(col))
-            seconds = static_cast<double>(column->getValue<UInt16>());
-
-        else if (auto column = checkAndGetColumnConst<ColumnVector<UInt8>>(col))
-            seconds = static_cast<double>(column->getValue<UInt8>());
-
-        else
+        if (!col->isColumnConst())
             throw Exception("The argument of function " + getName() + " must be constant.", ErrorCodes::ILLEGAL_COLUMN);
 
+        Float64 seconds = applyVisitor(FieldVisitorConvertToNumber<Float64>(), static_cast<const ColumnConst &>(*col).getField());
+        size_t size = col->size();
+
         /// We do not sleep if the block is empty.
         if (size > 0)
         {
diff --git a/dbms/src/Functions/FunctionsTransform.h b/dbms/src/Functions/FunctionsTransform.h
index c266df282b3..6111e670b47 100644
--- a/dbms/src/Functions/FunctionsTransform.h
+++ b/dbms/src/Functions/FunctionsTransform.h
@@ -195,7 +195,7 @@ private:
         ColumnNumbers tmp_arguments;
 
         tmp_block.insert(block.getByPosition(arguments[0]));
-        tmp_block.getByPosition(0).column = static_cast<const ColumnConst *>(tmp_block.getByPosition(0).column.get())->getDataColumnPtr();
+        tmp_block.getByPosition(0).column = tmp_block.getByPosition(0).column->cloneResized(block.rows())->convertToFullColumnIfConst();
         tmp_arguments.push_back(0);
 
         for (size_t i = 1; i < arguments.size(); ++i)

From 3204b9688cbeb4abfccc6870c53acc48d1669350 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 05:35:09 +0300
Subject: [PATCH 19/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Functions/FunctionsMiscellaneous.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dbms/src/Functions/FunctionsMiscellaneous.cpp b/dbms/src/Functions/FunctionsMiscellaneous.cpp
index 2eb31413bea..e59f7aca667 100644
--- a/dbms/src/Functions/FunctionsMiscellaneous.cpp
+++ b/dbms/src/Functions/FunctionsMiscellaneous.cpp
@@ -606,6 +606,9 @@ public:
         Float64 seconds = applyVisitor(FieldVisitorConvertToNumber<Float64>(), static_cast<const ColumnConst &>(*col).getField());
         size_t size = col->size();
 
+        if (seconds < 0)
+            throw Exception("Cannot sleep negative amount of time (not implemented)", ErrorCodes::BAD_ARGUMENTS);
+
         /// We do not sleep if the block is empty.
         if (size > 0)
         {

From d02874bf5491d5bedfb637ac43af96d74bdce45c Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 06:06:01 +0300
Subject: [PATCH 20/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Functions/FunctionsMiscellaneous.cpp |  3 ++-
 dbms/src/Functions/FunctionsTransform.h       | 12 ++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/dbms/src/Functions/FunctionsMiscellaneous.cpp b/dbms/src/Functions/FunctionsMiscellaneous.cpp
index e59f7aca667..58ca5ce1d2d 100644
--- a/dbms/src/Functions/FunctionsMiscellaneous.cpp
+++ b/dbms/src/Functions/FunctionsMiscellaneous.cpp
@@ -604,11 +604,12 @@ public:
             throw Exception("The argument of function " + getName() + " must be constant.", ErrorCodes::ILLEGAL_COLUMN);
 
         Float64 seconds = applyVisitor(FieldVisitorConvertToNumber<Float64>(), static_cast<const ColumnConst &>(*col).getField());
-        size_t size = col->size();
 
         if (seconds < 0)
             throw Exception("Cannot sleep negative amount of time (not implemented)", ErrorCodes::BAD_ARGUMENTS);
 
+        size_t size = col->size();
+
         /// We do not sleep if the block is empty.
         if (size > 0)
         {
diff --git a/dbms/src/Functions/FunctionsTransform.h b/dbms/src/Functions/FunctionsTransform.h
index 6111e670b47..2f591413862 100644
--- a/dbms/src/Functions/FunctionsTransform.h
+++ b/dbms/src/Functions/FunctionsTransform.h
@@ -65,6 +65,8 @@ public:
 
     bool isVariadic() const override { return true; }
     size_t getNumberOfArguments() const override { return 0; }
+    bool useDefaultImplementationForConstants() const override { return true; }
+    ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {1, 2}; }
 
     DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
     {
@@ -189,7 +191,7 @@ public:
 private:
     void executeConst(Block & block, const ColumnNumbers & arguments, const size_t result)
     {
-        /// Construct a block of full-size columns of size 1 and compute the function as usual.
+        /// Materialize the input column and compute the function as usual.
 
         Block tmp_block;
         ColumnNumbers tmp_arguments;
@@ -209,9 +211,7 @@ private:
 
         execute(tmp_block, tmp_arguments, tmp_result);
 
-        block.getByPosition(result).column = block.getByPosition(result).type->createColumnConst(
-            block.rows(),
-            (*tmp_block.getByPosition(tmp_result).column)[0]);
+        block.getByPosition(result).column = tmp_block.getByPosition(tmp_result).column;
     }
 
     template <typename T>
@@ -727,7 +727,7 @@ private:
     /// Different versions of the hash tables to implement the mapping.
 
     using NumToNum = HashMap<UInt64, UInt64, HashCRC32<UInt64>>;
-    using NumToString = HashMap <UInt64, StringRef, HashCRC32 <UInt64 >>;     /// Everywhere StringRef's with trailing zero.
+    using NumToString = HashMap <UInt64, StringRef, HashCRC32<UInt64>>;     /// Everywhere StringRef's with trailing zero.
     using StringToNum = HashMap<StringRef, UInt64, StringRefHash>;
     using StringToString = HashMap<StringRef, StringRef, StringRefHash>;
 
@@ -740,7 +740,7 @@ private:
 
     Field const_default_value;    /// Null, if not specified.
 
-    bool initialized = false;
+    std::atomic<bool> initialized {false};
     std::mutex mutex;
 
     /// Can be called from different threads. It works only on the first call.

From 999d59e5ac02911043ddd1c09b21bdc3b3005f06 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 06:49:34 +0300
Subject: [PATCH 21/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Storages/StorageLog.cpp     | 2 +-
 dbms/src/Storages/StorageTinyLog.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dbms/src/Storages/StorageLog.cpp b/dbms/src/Storages/StorageLog.cpp
index d4c1dbad78c..16b61edb8a7 100644
--- a/dbms/src/Storages/StorageLog.cpp
+++ b/dbms/src/Storages/StorageLog.cpp
@@ -81,7 +81,7 @@ public:
         for (const auto & name_type : columns)
             res.insert({ name_type.type->createColumn(), name_type.type, name_type.name });
 
-        return res;
+        return Nested::flatten(res);
     };
 
 protected:
diff --git a/dbms/src/Storages/StorageTinyLog.cpp b/dbms/src/Storages/StorageTinyLog.cpp
index 042f53c76b2..1b1d343594e 100644
--- a/dbms/src/Storages/StorageTinyLog.cpp
+++ b/dbms/src/Storages/StorageTinyLog.cpp
@@ -69,7 +69,7 @@ public:
         for (const auto & name_type : columns)
             res.insert({ name_type.type->createColumn(), name_type.type, name_type.name });
 
-        return res;
+        return Nested::flatten(res);
     };
 
 protected:

From dba529d6747068dd07c812cbecf7da2b1edee8e8 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 07:13:49 +0300
Subject: [PATCH 22/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/ExpressionBlockInputStream.cpp       | 2 --
 dbms/src/DataStreams/FilterBlockInputStream.cpp           | 6 +++---
 dbms/src/DataStreams/IBlockInputStream.cpp                | 1 +
 .../Storages/MergeTree/MergeTreeDataSelectExecutor.cpp    | 8 +-------
 4 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index 55b3145266b..7a18b0d5ee0 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -43,9 +43,7 @@ Block ExpressionBlockInputStream::readImpl()
     Block res = children.back()->read();
     if (!res)
         return res;
-
     expression->execute(res);
-
     return res;
 }
 
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 44dd7cdb3d8..22cfd71821b 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -29,9 +29,9 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
     children.push_back(input);
 
     /// Determine position of filter column.
-    Block src_header = expression->getSampleBlock();
-
-    filter_column = src_header.getPositionByName(filter_column_name);
+    Block input_header = input->getHeader();
+    expression->execute(input_header);
+    filter_column = input_header.getPositionByName(filter_column_name);
 }
 
 
diff --git a/dbms/src/DataStreams/IBlockInputStream.cpp b/dbms/src/DataStreams/IBlockInputStream.cpp
index 13a3c99d393..27d76576d49 100644
--- a/dbms/src/DataStreams/IBlockInputStream.cpp
+++ b/dbms/src/DataStreams/IBlockInputStream.cpp
@@ -64,6 +64,7 @@ void IBlockInputStream::dumpTree(std::ostream & ostr, size_t indent, size_t mult
     ostr << String(indent, ' ') << getName();
     if (multiplier > 1)
         ostr << " × " << multiplier;
+    // ostr << ": " << getHeader().dumpStructure();
     ostr << std::endl;
     ++indent;
 
diff --git a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index 1d22bdecd50..bec354f2a8f 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -473,13 +473,7 @@ BlockInputStreams MergeTreeDataSelectExecutor::read(
                 filter_function->children.push_back(filter_function->arguments);
             }
 
-            /// Add all other columns: expression must save them.
-            ASTPtr expr_with_filter = std::make_shared<ASTExpressionList>();
-            for (const auto & name : column_names_to_read)
-                expr_with_filter->children.push_back(std::make_shared<ASTIdentifier>(StringRange(), name));
-            expr_with_filter->children.push_back(filter_function);
-
-            filter_expression = ExpressionAnalyzer(expr_with_filter, context, nullptr, available_real_columns).getActions(true);
+            filter_expression = ExpressionAnalyzer(filter_function, context, nullptr, available_real_columns).getActions(true);
 
             /// Add columns needed for `sampling_expression` to `column_names_to_read`.
             std::vector<String> add_columns = filter_expression->getRequiredColumns();

From 84c110a8ae13fa007234cd895ad9f03b1fc98658 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 07:18:29 +0300
Subject: [PATCH 23/34] Header in every stream: development [#CLICKHOUSE-2]

---
 .../0_stateless/00502_custom_partitioning_local.reference        | 1 +
 .../00502_custom_partitioning_replicated_zookeeper.reference     | 1 +
 2 files changed, 2 insertions(+)

diff --git a/dbms/tests/queries/0_stateless/00502_custom_partitioning_local.reference b/dbms/tests/queries/0_stateless/00502_custom_partitioning_local.reference
index 9efd2d8a965..f3811ddcf1d 100644
--- a/dbms/tests/queries/0_stateless/00502_custom_partitioning_local.reference
+++ b/dbms/tests/queries/0_stateless/00502_custom_partitioning_local.reference
@@ -7,6 +7,7 @@ tuple()	all_1_2_1
 Sum before DETACH PARTITION:
 15
 Sum after DETACH PARTITION:
+0
 *** Partitioned by week ***
 Parts before OPTIMIZE:
 \'1999-12-27\'	19991227_1_1_0
diff --git a/dbms/tests/queries/0_stateless/00502_custom_partitioning_replicated_zookeeper.reference b/dbms/tests/queries/0_stateless/00502_custom_partitioning_replicated_zookeeper.reference
index ce412811db2..313e84db2d7 100644
--- a/dbms/tests/queries/0_stateless/00502_custom_partitioning_replicated_zookeeper.reference
+++ b/dbms/tests/queries/0_stateless/00502_custom_partitioning_replicated_zookeeper.reference
@@ -7,6 +7,7 @@ tuple()	all_0_1_1
 Sum before DETACH PARTITION:
 15
 Sum after DETACH PARTITION:
+0
 *** Partitioned by week ***
 Parts before OPTIMIZE:
 \'1999-12-27\'	19991227_0_0_0

From 9e1638e1dd00dbe2278fa738bd6dbaada662c78f Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 17 Feb 2018 20:09:18 +0300
Subject: [PATCH 24/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Functions/FunctionsArray.cpp               | 13 +++++++------
 .../include/common/iostream_debug_helpers.h         |  2 +-
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/dbms/src/Functions/FunctionsArray.cpp b/dbms/src/Functions/FunctionsArray.cpp
index 3db0e32e794..27d5d3688e8 100644
--- a/dbms/src/Functions/FunctionsArray.cpp
+++ b/dbms/src/Functions/FunctionsArray.cpp
@@ -23,6 +23,7 @@
 #include <DataTypes/getMostSubtype.h>
 #include <Core/TypeListNumber.h>
 
+
 namespace DB
 {
 
@@ -156,7 +157,7 @@ public:
         ++index;
     }
 
-    ColumnPtr getNullMapData() && { return std::move(sink_null_map_holder); }
+    ColumnPtr getNullMapColumnPtr() && { return std::move(sink_null_map_holder); }
 
 private:
     const UInt8 * src_null_map = nullptr;
@@ -776,25 +777,25 @@ DataTypePtr FunctionArrayElement::getReturnTypeImpl(const DataTypes & arguments)
 void FunctionArrayElement::executeImpl(Block & block, const ColumnNumbers & arguments, size_t result)
 {
     /// Check nullability.
-    bool is_nullable_array = false;
+    bool is_array_of_nullable = false;
 
     const ColumnArray * col_array = nullptr;
     const ColumnArray * col_const_array = nullptr;
 
     col_array = checkAndGetColumn<ColumnArray>(block.getByPosition(arguments[0]).column.get());
     if (col_array)
-        is_nullable_array = col_array->getData().isColumnNullable();
+        is_array_of_nullable = col_array->getData().isColumnNullable();
     else
     {
         col_const_array = checkAndGetColumnConstData<ColumnArray>(block.getByPosition(arguments[0]).column.get());
         if (col_const_array)
-            is_nullable_array = col_const_array->getData().isColumnNullable();
+            is_array_of_nullable = col_const_array->getData().isColumnNullable();
         else
             throw Exception("Illegal column " + block.getByPosition(arguments[0]).column->getName()
             + " of first argument of function " + getName(), ErrorCodes::ILLEGAL_COLUMN);
     }
 
-    if (!is_nullable_array)
+    if (!is_array_of_nullable)
     {
         ArrayImpl::NullMapBuilder builder;
         perform(block, arguments, result, builder);
@@ -860,7 +861,7 @@ void FunctionArrayElement::executeImpl(Block & block, const ColumnNumbers & argu
         /// Store the result.
         const ColumnWithTypeAndName & source_col = source_block.getByPosition(2);
         ColumnWithTypeAndName & dest_col = block.getByPosition(result);
-        dest_col.column = ColumnNullable::create(source_col.column, std::move(builder).getNullMapData());
+        dest_col.column = ColumnNullable::create(source_col.column, builder ? std::move(builder).getNullMapColumnPtr() : ColumnUInt8::create());
     }
 }
 
diff --git a/libs/libcommon/include/common/iostream_debug_helpers.h b/libs/libcommon/include/common/iostream_debug_helpers.h
index a33cfefe101..09ab4de83e6 100644
--- a/libs/libcommon/include/common/iostream_debug_helpers.h
+++ b/libs/libcommon/include/common/iostream_debug_helpers.h
@@ -15,7 +15,7 @@
 #include <vector>
 
 // TODO: https://stackoverflow.com/questions/16464032/how-to-enhance-this-variable-dumping-debug-macro-to-be-variadic
-#define DUMPS(VAR) #VAR " = " << VAR
+#define DUMPS(VAR) #VAR " = " << (VAR)
 #define DUMPHEAD std::cerr << __FILE__ << ":" << __LINE__ << " "
 #define DUMP(V1) DUMPHEAD << DUMPS(V1) << "\n";
 #define DUMP2(V1, V2) DUMPHEAD << DUMPS(V1) << ", " << DUMPS(V2) << "\n";

From ff235fc5065c2cb40fab4be402b7673fd7bdce6a Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 00:08:21 +0300
Subject: [PATCH 25/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
index bec354f2a8f..79d5d226f31 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp
@@ -473,7 +473,7 @@ BlockInputStreams MergeTreeDataSelectExecutor::read(
                 filter_function->children.push_back(filter_function->arguments);
             }
 
-            filter_expression = ExpressionAnalyzer(filter_function, context, nullptr, available_real_columns).getActions(true);
+            filter_expression = ExpressionAnalyzer(filter_function, context, nullptr, available_real_columns).getActions(false);
 
             /// Add columns needed for `sampling_expression` to `column_names_to_read`.
             std::vector<String> add_columns = filter_expression->getRequiredColumns();

From cb7719b0629a00440848f92b87548dd592d8e9c6 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 00:26:22 +0300
Subject: [PATCH 26/34] Added test [#CLICKHOUSE-2754]

---
 .../0_stateless/00571_alter_nullable.reference      |  8 ++++++++
 .../queries/0_stateless/00571_alter_nullable.sql    | 13 +++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 dbms/tests/queries/0_stateless/00571_alter_nullable.reference
 create mode 100644 dbms/tests/queries/0_stateless/00571_alter_nullable.sql

diff --git a/dbms/tests/queries/0_stateless/00571_alter_nullable.reference b/dbms/tests/queries/0_stateless/00571_alter_nullable.reference
new file mode 100644
index 00000000000..53e76b43a0f
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00571_alter_nullable.reference
@@ -0,0 +1,8 @@
+hello
+world
+hello	\N
+world	\N
+hello	\N
+world	\N
+hello	0
+world	0
diff --git a/dbms/tests/queries/0_stateless/00571_alter_nullable.sql b/dbms/tests/queries/0_stateless/00571_alter_nullable.sql
new file mode 100644
index 00000000000..66ad47b10af
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00571_alter_nullable.sql
@@ -0,0 +1,13 @@
+DROP TABLE IF EXISTS test.nullable;
+CREATE TABLE test.nullable (x String) ENGINE = MergeTree ORDER BY x;
+INSERT INTO test.nullable VALUES ('hello'), ('world');
+SELECT * FROM test.nullable;
+ALTER TABLE test.nullable ADD COLUMN n Nullable(UInt64);
+SELECT * FROM test.nullable;
+ALTER TABLE test.nullable DROP COLUMN n;
+ALTER TABLE test.nullable ADD COLUMN n Nullable(UInt64) DEFAULT NULL;
+SELECT * FROM test.nullable;
+ALTER TABLE test.nullable DROP COLUMN n;
+ALTER TABLE test.nullable ADD COLUMN n Nullable(UInt64) DEFAULT 0;
+SELECT * FROM test.nullable;
+DROP TABLE test.nullable;

From df4853a13a116bb6560cb31ddb8dfffaa13cb786 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 03:37:22 +0300
Subject: [PATCH 27/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/Interpreters/ExpressionActions.cpp                     | 2 +-
 .../Storages/MergeTree/ReplicatedMergeTreeBlockOutputStream.cpp | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/dbms/src/Interpreters/ExpressionActions.cpp b/dbms/src/Interpreters/ExpressionActions.cpp
index 490ab509c00..934521bceb9 100644
--- a/dbms/src/Interpreters/ExpressionActions.cpp
+++ b/dbms/src/Interpreters/ExpressionActions.cpp
@@ -1064,7 +1064,7 @@ BlockInputStreamPtr ExpressionActions::createStreamWithNonJoinedDataIfFullOrRigh
         {
             Block left_sample_block;
             for (const auto & input_elem : input_columns)
-                left_sample_block.insert({ nullptr, input_elem.type, input_elem.name });
+                left_sample_block.insert(ColumnWithTypeAndName{ input_elem.type, input_elem.name });
 
             return action.join->createStreamWithNonJoinedRows(left_sample_block, max_block_size);
         }
diff --git a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeBlockOutputStream.cpp b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeBlockOutputStream.cpp
index bdcad7f0fe1..80992a79935 100644
--- a/dbms/src/Storages/MergeTree/ReplicatedMergeTreeBlockOutputStream.cpp
+++ b/dbms/src/Storages/MergeTree/ReplicatedMergeTreeBlockOutputStream.cpp
@@ -417,7 +417,6 @@ void ReplicatedMergeTreeBlockOutputStream::commitPart(zkutil::ZooKeeperPtr & zoo
                         + zkutil::ZooKeeper::error2string(info.code), ErrorCodes::UNEXPECTED_ZOOKEEPER_ERROR);
     }
 
-
     if (quorum)
     {
         /// We are waiting for quorum to be satisfied.

From 8a6cd1d65885864b9525e61512d2ba4ef082d1fc Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 04:20:14 +0300
Subject: [PATCH 28/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/DataTypes/DataTypeEnum.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dbms/src/DataTypes/DataTypeEnum.h b/dbms/src/DataTypes/DataTypeEnum.h
index ea939c9f709..a4cc36b1c92 100644
--- a/dbms/src/DataTypes/DataTypeEnum.h
+++ b/dbms/src/DataTypes/DataTypeEnum.h
@@ -112,7 +112,7 @@ public:
     bool equals(const IDataType & rhs) const override;
 
     bool textCanContainOnlyValidUTF8() const override;
-    size_t getSizeOfValueInMemory() const override { return sizeof(Field); }
+    size_t getSizeOfValueInMemory() const override { return sizeof(FieldType); }
 };
 
 

From 95d2d68c7def7ee1f45c84221d927a9b693f69e3 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 05:22:32 +0300
Subject: [PATCH 29/34] Header in every stream: development [#CLICKHOUSE-2]

---
 .../AggregateFunctionSequenceMatch.h          |  3 +-
 dbms/src/Common/UInt128.h                     |  3 -
 dbms/src/Core/Field.h                         |  1 +
 dbms/src/Functions/FunctionsConversion.h      | 59 +++++++------------
 .../0_stateless/00276_sample.reference        |  1 +
 5 files changed, 25 insertions(+), 42 deletions(-)

diff --git a/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h b/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
index 297e74ae975..d8c1a323e05 100644
--- a/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
+++ b/dbms/src/AggregateFunctions/AggregateFunctionSequenceMatch.h
@@ -164,8 +164,7 @@ public:
         {
             const auto cond_arg = arguments[i].get();
             if (!typeid_cast<const DataTypeUInt8 *>(cond_arg))
-                throw Exception{
-                    "Illegal type " + cond_arg->getName() + " of argument " + toString(i + 1) +
+                throw Exception{"Illegal type " + cond_arg->getName() + " of argument " + toString(i + 1) +
                         " of aggregate function " + derived().getName() + ", must be UInt8",
                     ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT};
         }
diff --git a/dbms/src/Common/UInt128.h b/dbms/src/Common/UInt128.h
index 7885b0db9b8..8bda6e2b204 100644
--- a/dbms/src/Common/UInt128.h
+++ b/dbms/src/Common/UInt128.h
@@ -40,9 +40,6 @@ struct UInt128
     bool inline operator>  (const UInt128 rhs) const { return tuple() > rhs.tuple(); }
     bool inline operator>= (const UInt128 rhs) const { return tuple() >= rhs.tuple(); }
 
-    /** Types who are stored at the moment in the database have no more than 64bits and can be handle
-     *  inside an unique UInt64.
-     */
     template <typename T> bool inline operator== (const T rhs) const { return *this == UInt128(rhs); }
     template <typename T> bool inline operator!= (const T rhs) const { return *this != UInt128(rhs); }
     template <typename T> bool inline operator>= (const T rhs) const { return *this >= UInt128(rhs); }
diff --git a/dbms/src/Core/Field.h b/dbms/src/Core/Field.h
index 9bb9cf6bb6e..f4c2f1ade86 100644
--- a/dbms/src/Core/Field.h
+++ b/dbms/src/Core/Field.h
@@ -29,6 +29,7 @@ STRONG_TYPEDEF(TupleBackend, Tuple); /// Array and Tuple are different types wit
 
 
 /** 32 is enough. Round number is used for alignment and for better arithmetic inside std::vector.
+  * NOTE: Actually, sizeof(std::string) is 32 when using libc++, so Field is 40 bytes.
   */
 #define DBMS_MIN_FIELD_SIZE 32
 
diff --git a/dbms/src/Functions/FunctionsConversion.h b/dbms/src/Functions/FunctionsConversion.h
index 8f3edca53ee..00884ca0ffb 100644
--- a/dbms/src/Functions/FunctionsConversion.h
+++ b/dbms/src/Functions/FunctionsConversion.h
@@ -53,6 +53,13 @@ namespace ErrorCodes
     extern const int CANNOT_PARSE_UUID;
     extern const int TOO_LARGE_STRING_SIZE;
     extern const int TOO_LESS_ARGUMENTS_FOR_FUNCTION;
+    extern const int LOGICAL_ERROR;
+    extern const int TYPE_MISMATCH;
+    extern const int CANNOT_CONVERT_TYPE;
+    extern const int ILLEGAL_COLUMN;
+    extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
+    extern const int ILLEGAL_TYPE_OF_ARGUMENT;
+    extern const int NOT_IMPLEMENTED;
 }
 
 
@@ -508,9 +515,6 @@ struct ConvertImplGenericFromString
         {
             auto res = data_type_to.createColumn();
 
-            if (!size)
-                return;
-
             IColumn & column_to = *res;
             column_to.reserve(size);
 
@@ -1272,9 +1276,7 @@ private:
     static WrapperType createFixedStringWrapper(const DataTypePtr & from_type, const size_t N)
     {
         if (!from_type->isStringOrFixedString())
-            throw Exception{
-                "CAST AS FixedString is only implemented for types String and FixedString",
-                ErrorCodes::NOT_IMPLEMENTED};
+            throw Exception{"CAST AS FixedString is only implemented for types String and FixedString", ErrorCodes::NOT_IMPLEMENTED};
 
         return [N] (Block & block, const ColumnNumbers & arguments, const size_t result)
         {
@@ -1309,9 +1311,7 @@ private:
 
         /// both from_type and to_type should be nullptr now is array types had same dimensions
         if ((from_type == nullptr) != (to_type == nullptr))
-            throw Exception{
-                "CAST AS Array can only be performed between same-dimensional array types or from String",
-                ErrorCodes::TYPE_MISMATCH};
+            throw Exception{"CAST AS Array can only be performed between same-dimensional array types or from String", ErrorCodes::TYPE_MISMATCH};
 
         /// Prepare nested type conversion
         const auto nested_function = prepare(from_nested_type, to_nested_type.get());
@@ -1337,9 +1337,7 @@ private:
                 block.getByPosition(result).column = ColumnArray::create(nested_block.getByPosition(1).column, col_array->getOffsetsPtr());
             }
             else
-                throw Exception{
-                    "Illegal column " + array_arg.column->getName() + " for function CAST AS Array",
-                    ErrorCodes::LOGICAL_ERROR};
+                throw Exception{"Illegal column " + array_arg.column->getName() + " for function CAST AS Array", ErrorCodes::LOGICAL_ERROR};
         };
     }
 
@@ -1356,16 +1354,12 @@ private:
 
         const auto from_type = checkAndGetDataType<DataTypeTuple>(from_type_untyped.get());
         if (!from_type)
-            throw Exception{
-                "CAST AS Tuple can only be performed between tuple types or from String.\nLeft type: " + from_type_untyped->getName() +
-                    ", right type: " + to_type->getName(),
-                ErrorCodes::TYPE_MISMATCH};
+            throw Exception{"CAST AS Tuple can only be performed between tuple types or from String.\nLeft type: " + from_type_untyped->getName() +
+                ", right type: " + to_type->getName(), ErrorCodes::TYPE_MISMATCH};
 
         if (from_type->getElements().size() != to_type->getElements().size())
-            throw Exception{
-                "CAST AS Tuple can only be performed between tuple types with the same number of elements or from String.\n"
-                    "Left type: " + from_type->getName() + ", right type: " + to_type->getName(),
-                 ErrorCodes::TYPE_MISMATCH};
+            throw Exception{"CAST AS Tuple can only be performed between tuple types with the same number of elements or from String.\n"
+                "Left type: " + from_type->getName() + ", right type: " + to_type->getName(), ErrorCodes::TYPE_MISMATCH};
 
         const auto & from_element_types = from_type->getElements();
         const auto & to_element_types = to_type->getElements();
@@ -1441,10 +1435,8 @@ private:
             };
         }
         else
-            throw Exception{
-                "Conversion from " + from_type->getName() + " to " + to_type->getName() +
-                    " is not supported",
-                ErrorCodes::CANNOT_CONVERT_TYPE};
+            throw Exception{"Conversion from " + from_type->getName() + " to " + to_type->getName() +
+                " is not supported", ErrorCodes::CANNOT_CONVERT_TYPE};
     }
 
     template <typename EnumTypeFrom, typename EnumTypeTo>
@@ -1467,10 +1459,8 @@ private:
             const auto & old_value = name_value.second;
             const auto & new_value = to_type->getValue(name_value.first);
             if (old_value != new_value)
-                throw Exception{
-                    "Enum conversion changes value for element '" + name_value.first +
-                        "' from " + toString(old_value) + " to " + toString(new_value),
-                    ErrorCodes::CANNOT_CONVERT_TYPE};
+                throw Exception{"Enum conversion changes value for element '" + name_value.first +
+                    "' from " + toString(old_value) + " to " + toString(new_value), ErrorCodes::CANNOT_CONVERT_TYPE};
         }
     };
 
@@ -1499,8 +1489,7 @@ private:
                 col_with_type_and_name.column = std::move(res);
             }
             else
-                throw Exception{
-                    "Unexpected column " + first_col->getName() + " as first argument of function " + function_name,
+                throw Exception{"Unexpected column " + first_col->getName() + " as first argument of function " + function_name,
                     ErrorCodes::LOGICAL_ERROR};
         };
     }
@@ -1540,8 +1529,7 @@ private:
 
         /// Check that the requested conversion is allowed.
         if (nullable_conversion.source_is_nullable && !nullable_conversion.result_is_nullable)
-            throw Exception{"Cannot convert data from a nullable type to a non-nullable type",
-                ErrorCodes::CANNOT_CONVERT_TYPE};
+            throw Exception{"Cannot convert data from a nullable type to a non-nullable type", ErrorCodes::CANNOT_CONVERT_TYPE};
 
         if (from_type->onlyNull())
         {
@@ -1671,9 +1659,7 @@ private:
         /// It's possible to use ConvertImplGenericFromString to convert from String to AggregateFunction,
         ///  but it is disabled because deserializing aggregate functions state might be unsafe.
 
-        throw Exception{
-            "Conversion from " + from_type->getName() + " to " + to_type->getName() + " is not supported",
-            ErrorCodes::CANNOT_CONVERT_TYPE};
+        throw Exception{"Conversion from " + from_type->getName() + " to " + to_type->getName() + " is not supported", ErrorCodes::CANNOT_CONVERT_TYPE};
     }
 };
 
@@ -1709,8 +1695,7 @@ protected:
     {
         const auto type_col = checkAndGetColumnConst<ColumnString>(arguments.back().column.get());
         if (!type_col)
-            throw Exception("Second argument to " + getName() + " must be a constant string describing type",
-                            ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
+            throw Exception("Second argument to " + getName() + " must be a constant string describing type", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
 
         return DataTypeFactory::instance().get(type_col->getValue<String>());
     }
diff --git a/dbms/tests/queries/0_stateless/00276_sample.reference b/dbms/tests/queries/0_stateless/00276_sample.reference
index 8fb4144f5a8..90bf02ffd8d 100644
--- a/dbms/tests/queries/0_stateless/00276_sample.reference
+++ b/dbms/tests/queries/0_stateless/00276_sample.reference
@@ -8,6 +8,7 @@
 5	0	4	10	5
 26	25	50	975	26
 26	230	255	6305	26
+0	0	0	0	0
 13	243	255	3237	13
 1
 256	0	255	32640	256

From d6d7b3e7e4c7471d5dcce0ae4d4c0397db226d6b Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 05:46:39 +0300
Subject: [PATCH 30/34] Header in every stream: development [#CLICKHOUSE-2]

---
 dbms/src/DataStreams/FormatFactory.cpp        |  2 +-
 .../MergeSortingBlockInputStream.h            |  2 +-
 .../DataStreams/NativeBlockInputStream.cpp    | 45 ++++++++++---------
 dbms/src/DataStreams/NativeBlockInputStream.h | 23 +++++-----
 dbms/src/Storages/StorageSet.cpp              |  2 +-
 dbms/src/Storages/StorageStripeLog.cpp        |  2 +-
 6 files changed, 41 insertions(+), 35 deletions(-)

diff --git a/dbms/src/DataStreams/FormatFactory.cpp b/dbms/src/DataStreams/FormatFactory.cpp
index c9954dd8352..d871a4b23a5 100644
--- a/dbms/src/DataStreams/FormatFactory.cpp
+++ b/dbms/src/DataStreams/FormatFactory.cpp
@@ -59,7 +59,7 @@ BlockInputStreamPtr FormatFactory::getInput(const String & name, ReadBuffer & bu
 
     if (name == "Native")
     {
-        return std::make_shared<NativeBlockInputStream>(buf);
+        return std::make_shared<NativeBlockInputStream>(buf, sample, 0);
     }
     else if (name == "RowBinary")
     {
diff --git a/dbms/src/DataStreams/MergeSortingBlockInputStream.h b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
index cc97aec799f..db4fb7454ed 100644
--- a/dbms/src/DataStreams/MergeSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
@@ -133,7 +133,7 @@ private:
         BlockInputStreamPtr block_in;
 
         TemporaryFileStream(const std::string & path)
-            : file_in(path), compressed_in(file_in), block_in(std::make_shared<NativeBlockInputStream>(compressed_in)) {}
+            : file_in(path), compressed_in(file_in), block_in(std::make_shared<NativeBlockInputStream>(compressed_in, 0)) {}
     };
 
     std::vector<std::unique_ptr<TemporaryFileStream>> temporary_inputs;
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.cpp b/dbms/src/DataStreams/NativeBlockInputStream.cpp
index 7e2e372dc1e..0994fbfa34e 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NativeBlockInputStream.cpp
@@ -22,21 +22,34 @@ namespace ErrorCodes
     extern const int NOT_IMPLEMENTED;
 }
 
-NativeBlockInputStream::NativeBlockInputStream(
-    ReadBuffer & istr_, UInt64 server_revision_,
-    bool use_index_,
+
+NativeBlockInputStream::NativeBlockInputStream(ReadBuffer & istr_, UInt64 server_revision_)
+    : istr(istr_), server_revision(server_revision_)
+{
+}
+
+NativeBlockInputStream::NativeBlockInputStream(ReadBuffer & istr_, const Block & header_, UInt64 server_revision_)
+    : istr(istr_), header(header_), server_revision(server_revision_)
+{
+}
+
+NativeBlockInputStream::NativeBlockInputStream(ReadBuffer & istr_, UInt64 server_revision_,
     IndexForNativeFormat::Blocks::const_iterator index_block_it_,
     IndexForNativeFormat::Blocks::const_iterator index_block_end_)
     : istr(istr_), server_revision(server_revision_),
-    use_index(use_index_), index_block_it(index_block_it_), index_block_end(index_block_end_)
+    use_index(true), index_block_it(index_block_it_), index_block_end(index_block_end_)
 {
-    if (use_index)
-    {
-        istr_concrete = typeid_cast<CompressedReadBufferFromFile *>(&istr);
-        if (!istr_concrete)
-            throw Exception("When need to use index for NativeBlockInputStream, istr must be CompressedReadBufferFromFile.", ErrorCodes::LOGICAL_ERROR);
+    istr_concrete = typeid_cast<CompressedReadBufferFromFile *>(&istr);
+    if (!istr_concrete)
+        throw Exception("When need to use index for NativeBlockInputStream, istr must be CompressedReadBufferFromFile.", ErrorCodes::LOGICAL_ERROR);
 
-        index_column_it = index_block_it->columns.begin();
+    index_column_it = index_block_it->columns.begin();
+
+    /// Initialize header from the index.
+    for (const auto & column : index_block_it->columns)
+    {
+        auto type = DataTypeFactory::instance().get(column.type);
+        header.insert({ type->createColumn(), type, column.name });
     }
 }
 
@@ -53,17 +66,7 @@ void NativeBlockInputStream::readData(const IDataType & type, IColumn & column,
 
 Block NativeBlockInputStream::getHeader()
 {
-    /// Note: we may read first block and stash it for further use just to get header.
-    if (!use_index)
-        throw Exception("Method getHeader for NativeBlockInputStream requires index", ErrorCodes::NOT_IMPLEMENTED);
-
-    Block res;
-    for (const auto & column : index_block_it->columns)
-    {
-        auto type = DataTypeFactory::instance().get(column.type);
-        res.insert({ type->createColumn(), type, column.name });
-    }
-    return res;
+    return header;
 }
 
 
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.h b/dbms/src/DataStreams/NativeBlockInputStream.h
index 179840102e7..c36d463d548 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.h
+++ b/dbms/src/DataStreams/NativeBlockInputStream.h
@@ -60,15 +60,17 @@ struct IndexForNativeFormat
 class NativeBlockInputStream : public IProfilingBlockInputStream
 {
 public:
-    /** If a non-zero server_revision is specified, additional block information may be expected and read.
-      *
-      * `index` is not required parameter. If set, only parts of columns specified in the index will be read.
-      */
-    NativeBlockInputStream(
-        ReadBuffer & istr_, UInt64 server_revision_ = 0,
-        bool use_index_ = false,
-        IndexForNativeFormat::Blocks::const_iterator index_block_it_ = IndexForNativeFormat::Blocks::const_iterator{},
-        IndexForNativeFormat::Blocks::const_iterator index_block_end_ = IndexForNativeFormat::Blocks::const_iterator{});
+    /// If a non-zero server_revision is specified, additional block information may be expected and read.
+    NativeBlockInputStream(ReadBuffer & istr_, UInt64 server_revision_);
+
+    /// For cases when data structure (header) is known in advance.
+    /// NOTE We may use header for data validation and/or type conversions. It is not implemented.
+    NativeBlockInputStream(ReadBuffer & istr_, const Block & header_, UInt64 server_revision_);
+
+    /// For cases when we have an index. It allows to skip columns. Only columns specified in the index will be read.
+    NativeBlockInputStream(ReadBuffer & istr_, UInt64 server_revision_,
+        IndexForNativeFormat::Blocks::const_iterator index_block_it_,
+        IndexForNativeFormat::Blocks::const_iterator index_block_end_);
 
     String getName() const override { return "Native"; }
 
@@ -88,9 +90,10 @@ protected:
 
 private:
     ReadBuffer & istr;
+    Block header;
     UInt64 server_revision;
 
-    bool use_index;
+    bool use_index = false;
     IndexForNativeFormat::Blocks::const_iterator index_block_it;
     IndexForNativeFormat::Blocks::const_iterator index_block_end;
     IndexOfBlockForNativeFormat::Columns::const_iterator index_column_it;
diff --git a/dbms/src/Storages/StorageSet.cpp b/dbms/src/Storages/StorageSet.cpp
index 3ec37897348..498e475a465 100644
--- a/dbms/src/Storages/StorageSet.cpp
+++ b/dbms/src/Storages/StorageSet.cpp
@@ -157,7 +157,7 @@ void StorageSetOrJoinBase::restoreFromFile(const String & file_path)
 {
     ReadBufferFromFile backup_buf(file_path);
     CompressedReadBuffer compressed_backup_buf(backup_buf);
-    NativeBlockInputStream backup_stream(compressed_backup_buf);
+    NativeBlockInputStream backup_stream(compressed_backup_buf, 0);
 
     backup_stream.readPrefix();
     while (Block block = backup_stream.read())
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index a6b86dcdf19..63589118f55 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -122,7 +122,7 @@ private:
                 storage.full_path() + "data.bin", 0, 0,
                 std::min(static_cast<Poco::File::FileSize>(max_read_buffer_size), Poco::File(storage.full_path() + "data.bin").getSize()));
 
-            block_in.emplace(*data_in, 0, true, index_begin, index_end);
+            block_in.emplace(*data_in, 0, index_begin, index_end);
         }
     }
 };

From 0c0b1f43e96b6e088a819db6b5527d6d9060ef95 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 05:58:07 +0300
Subject: [PATCH 31/34] Header in every stream: fixed non-deterministic test
 [#CLICKHOUSE-2]

---
 .../0_stateless/00334_column_aggregate_function_limit.reference | 2 +-
 .../0_stateless/00334_column_aggregate_function_limit.sql       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.reference b/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.reference
index 49541f72104..573541ac970 100644
--- a/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.reference
+++ b/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.reference
@@ -1 +1 @@
-94
+0
diff --git a/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.sql b/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.sql
index 39d5e53404e..c45e27222a1 100644
--- a/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.sql
+++ b/dbms/tests/queries/0_stateless/00334_column_aggregate_function_limit.sql
@@ -4,6 +4,6 @@ CREATE TABLE test.ontime (FlightDate Date, Carrier String, FlightNum String) ENG
 
 INSERT INTO test.ontime VALUES ('1987-10-01','AA','2'),('1987-10-01','AA','2'),('1987-10-01','AA','7'),('1987-10-01','AA','7'),('1987-10-01','AA','26'),('1987-10-01','AA','34'),('1987-10-01','AA','36'),('1987-10-01','AA','91'),('1987-10-01','AA','101'),('1987-10-01','AA','101'),('1987-10-01','AA','109'),('1987-10-01','AA','109'),('1987-10-01','AA','112'),('1987-10-01','AA','123'),('1987-10-01','AA','160'),('1987-10-01','AA','165'),('1987-10-01','AA','165'),('1987-10-01','AA','165'),('1987-10-01','AA','176'),('1987-10-01','AA','176'),('1987-10-01','AA','176'),('1987-10-01','AA','176'),('1987-10-01','AA','179'),('1987-10-01','AA','179'),('1987-10-01','AA','215'),('1987-10-01','AA','215'),('1987-10-01','AA','231'),('1987-10-01','AA','231'),('1987-10-01','AA','263'),('1987-10-01','AA','263'),('1987-10-01','AA','268'),('1987-10-01','AA','268'),('1987-10-01','AA','281'),('1987-10-01','AA','287'),('1987-10-01','AA','287'),('1987-10-01','AA','309'),('1987-10-01','AA','309'),('1987-10-01','AA','309'),('1987-10-01','AA','341'),('1987-10-01','AA','344'),('1987-10-01','AA','344'),('1987-10-01','AA','347'),('1987-10-01','AA','347'),('1987-10-01','AA','368'),('1987-10-01','AA','381'),('1987-10-01','AA','381'),('1987-10-01','AA','381'),('1987-10-01','AA','396'),('1987-10-01','AA','396'),('1987-10-01','AA','397'),('1987-10-01','AA','397'),('1987-10-01','AA','417'),('1987-10-01','AA','417'),('1987-10-01','AA','446'),('1987-10-01','AA','451'),('1987-10-01','AA','451'),('1987-10-01','AA','460'),('1987-10-01','AA','460'),('1987-10-01','AA','491'),('1987-10-01','AA','504'),('1987-10-01','AA','504'),('1987-10-01','AA','519'),('1987-10-01','AA','519'),('1987-10-01','AA','523'),('1987-10-01','AA','523'),('1987-10-01','AA','525'),('1987-10-01','AA','525'),('1987-10-01','AA','525'),('1987-10-01','AA','533'),('1987-10-01','AA','533'),('1987-10-01','AA','533'),('1987-10-01','AA','546'),('1987-10-01','AA','546'),('1987-10-01','AA','556'),('1987-10-01','AA','556'),('1987-10-01','AA','556'),('1987-10-01','AA','597'),('1987-10-01','AA','597'),('1987-10-01','AA','597'),('1987-10-01','AA','601'),('1987-10-01','AA','601'),('1987-10-01','AA','627'),('1987-10-01','AA','670'),('1987-10-01','AA','673'),('1987-10-01','AA','673'),('1987-10-01','AA','680'),('1987-10-01','AA','680'),('1987-10-01','AA','817'),('1987-10-01','AA','817'),('1987-10-01','AA','824'),('1987-10-01','AA','824'),('1987-10-01','AA','824'),('1987-10-01','AA','824'),('1987-10-01','AA','832'),('1987-10-01','AA','832'),('1987-10-01','AA','852'),('1987-10-01','AA','852'),('1987-10-01','AA','866'),('1987-10-01','AA','866'),('1987-10-01','AA','871'),('1987-10-01','AA','871'),('1987-10-01','AA','880'),('1987-10-01','AA','880'),('1987-10-01','AA','880'),('1987-10-01','AA','880'),('1987-10-01','AA','883'),('1987-10-01','AA','883'),('1987-10-01','AA','885'),('1987-10-01','AA','885'),('1987-10-01','AA','885'),('1987-10-01','AA','890'),('1987-10-01','AA','893'),('1987-10-01','AA','893'),('1987-10-01','AA','905'),('1987-10-01','AA','905'),('1987-10-01','AA','929'),('1987-10-01','AA','929'),('1987-10-01','AA','936'),('1987-10-01','AA','936'),('1987-10-01','AA','937'),('1987-10-01','AA','937'),('1987-10-01','AA','955'),('1987-10-01','AA','966'),('1987-10-01','AA','1002'),('1987-10-01','AA','1002'),('1987-10-01','AA','1004'),('1987-10-01','AA','1004'),('1987-10-01','AA','1015'),('1987-10-01','AA','1015'),('1987-10-01','AA','1021'),('1987-10-01','AA','1021'),('1987-10-01','AA','1041'),('1987-10-01','AA','1041'),('1987-10-01','AA','1046'),('1987-10-01','AA','1046'),('1987-10-01','AA','1048'),('1987-10-01','AA','1048'),('1987-10-01','AA','1061'),('1987-10-01','AA','1061'),('1987-10-01','AA','1088'),('1987-10-01','AA','1088'),('1987-10-01','AA','2033'),('1987-10-01','AA','2033'),('1987-10-01','AA','2050'),('1987-10-01','AA','2058'),('1987-10-01','AA','2071'),('1987-10-01','AA','2071'),('1987-10-01','AA','2086'),('1987-10-01','AA','2105'),('1987-10-01','AA','2111'),('1987-10-01','AA','2123'),('1987-10-01','AA','2123'),('1987-10-01','AA','2147'),('1987-10-01','AA','2147'),('1987-10-01','AA','2199'),('1987-10-01','AA','2199'),('1987-10-01','AA','2207'),('1987-10-01','AA','2207'),('1987-10-01','AA','2217'),('1987-10-01','AA','2230'),('1987-10-01','AA','2245'),('1987-10-01','AA','2251'),('1987-10-01','AA','2251'),('1987-10-01','AA','2275'),('1987-10-01','AA','2278'),('1987-10-01','AA','2351'),('1987-10-01','AA','2357'),('1987-10-01','AA','2490'),('1987-10-01','AA','2528'),('1987-10-01','AA','2528'),('1987-10-01','AA','2735'),('1987-10-01','AA','2735'),('1987-10-01','AA','2751'),('1987-10-01','AL','2'),('1987-10-01','AL','2'),('1987-10-01','AL','7'),('1987-10-01','AL','7'),('1987-10-01','AL','26'),('1987-10-01','AL','26'),('1987-10-01','AL','34'),('1987-10-01','AL','34'),('1987-10-01','AL','36'),('1987-10-01','AL','36'),('1987-10-01','AL','45'),('1987-10-01','AL','45'),('1987-10-01','AL','45'),('1987-10-01','AL','91'),('1987-10-01','AL','91'),('1987-10-01','AL','104'),('1987-10-01','AL','104'),('1987-10-01','AL','104'),('1987-10-01','AL','109'),('1987-10-01','AL','112'),('1987-10-01','AL','112'),('1987-10-01','AL','123'),('1987-10-01','AL','149'),('1987-10-01','AL','160'),('1987-10-01','AL','160'),('1987-10-01','AL','165'),('1987-10-01','AL','171'),('1987-10-01','AL','171'),('1987-10-01','AL','176'),('1987-10-01','AL','176'),('1987-10-01','AL','179'),('1987-10-01','AL','215'),('1987-10-01','AL','231'),('1987-10-01','AL','263'),('1987-10-01','AL','263'),('1987-10-01','AL','268'),('1987-10-01','AL','268'),('1987-10-01','AL','268'),('1987-10-01','AL','281'),('1987-10-01','AL','281'),('1987-10-01','AL','287'),('1987-10-01','AL','287'),('1987-10-01','AL','309'),('1987-10-01','AL','309'),('1987-10-01','AL','341'),('1987-10-01','AL','344'),('1987-10-01','AL','344'),('1987-10-01','AL','357'),('1987-10-01','AL','357'),('1987-10-01','AL','368'),('1987-10-01','AL','381'),('1987-10-01','AL','396'),('1987-10-01','AL','397'),('1987-10-01','AL','397'),('1987-10-01','AL','416'),('1987-10-01','AL','416'),('1987-10-01','AL','417'),('1987-10-01','AL','438'),('1987-10-01','AL','446'),('1987-10-01','AL','451'),('1987-10-01','AL','451'),('1987-10-01','AL','491'),('1987-10-01','AL','491'),('1987-10-01','AL','523'),('1987-10-01','AL','523'),('1987-10-01','AL','523'),('1987-10-01','AL','525'),('1987-10-01','AL','525'),('1987-10-01','AL','533'),('1987-10-01','AL','533'),('1987-10-01','AL','546'),('1987-10-01','AL','546'),('1987-10-01','AL','556'),('1987-10-01','AL','556'),('1987-10-01','AL','601'),('1987-10-01','AL','601'),('1987-10-01','AL','627'),('1987-10-01','AL','629'),('1987-10-01','AL','670'),('1987-10-01','AL','670'),('1987-10-01','AL','670'),('1987-10-01','AL','673'),('1987-10-01','AL','680'),('1987-10-01','AL','700'),('1987-10-02','AA','2'),('1987-10-02','AA','2'),('1987-10-02','AA','2'),('1987-10-02','AA','7'),('1987-10-02','AA','7'),('1987-10-02','AA','26'),('1987-10-02','AA','34'),('1987-10-02','AA','36'),('1987-10-02','AA','91'),('1987-10-02','AA','101'),('1987-10-02','AA','101'),('1987-10-02','AA','109'),('1987-10-02','AA','109'),('1987-10-02','AA','112'),('1987-10-02','AA','123'),('1987-10-02','AA','123'),('1987-10-02','AA','160'),('1987-10-02','AA','165'),('1987-10-02','AA','165'),('1987-10-02','AA','165'),('1987-10-02','AA','176'),('1987-10-02','AA','176'),('1987-10-02','AA','176'),('1987-10-02','AA','176'),('1987-10-02','AA','179'),('1987-10-02','AA','179'),('1987-10-02','AA','215'),('1987-10-02','AA','215'),('1987-10-02','AA','231'),('1987-10-02','AA','231'),('1987-10-02','AA','263'),('1987-10-02','AA','263'),('1987-10-02','AA','268'),('1987-10-02','AA','281'),('1987-10-02','AA','287'),('1987-10-02','AA','287'),('1987-10-02','AA','309'),('1987-10-02','AA','309'),('1987-10-02','AA','309'),('1987-10-02','AA','341'),('1987-10-02','AA','344'),('1987-10-02','AA','344'),('1987-10-02','AA','347'),('1987-10-02','AA','347'),('1987-10-02','AA','368'),('1987-10-02','AA','381'),('1987-10-02','AA','381'),('1987-10-02','AA','381'),('1987-10-02','AA','396'),('1987-10-02','AA','396'),('1987-10-02','AA','397'),('1987-10-02','AA','397'),('1987-10-02','AA','417'),('1987-10-02','AA','417'),('1987-10-02','AA','446'),('1987-10-02','AA','451'),('1987-10-02','AA','451'),('1987-10-02','AA','460'),('1987-10-02','AA','460'),('1987-10-02','AA','491'),('1987-10-02','AA','504'),('1987-10-02','AA','504'),('1987-10-02','AA','519'),('1987-10-02','AA','519'),('1987-10-02','AA','523'),('1987-10-02','AA','523'),('1987-10-02','AA','525'),('1987-10-02','AA','525'),('1987-10-02','AA','525'),('1987-10-02','AA','533'),('1987-10-02','AA','533'),('1987-10-02','AA','533'),('1987-10-02','AA','546'),('1987-10-02','AA','546'),('1987-10-02','AA','546'),('1987-10-02','AA','546'),('1987-10-02','AA','556'),('1987-10-02','AA','556'),('1987-10-02','AA','556'),('1987-10-02','AA','597'),('1987-10-02','AA','597'),('1987-10-02','AA','597'),('1987-10-02','AA','601'),('1987-10-02','AA','601'),('1987-10-02','AA','627'),('1987-10-02','AA','629'),('1987-10-02','AA','629'),('1987-10-02','AA','670'),('1987-10-02','AA','673'),('1987-10-02','AA','673'),('1987-10-02','AA','680'),('1987-10-02','AA','680'),('1987-10-02','AA','817'),('1987-10-02','AA','817'),('1987-10-02','AA','824'),('1987-10-02','AA','824'),('1987-10-02','AA','824'),('1987-10-02','AA','824'),('1987-10-02','AA','832'),('1987-10-02','AA','832'),('1987-10-02','AA','852'),('1987-10-02','AA','866'),('1987-10-02','AA','866'),('1987-10-02','AA','871'),('1987-10-02','AA','871'),('1987-10-02','AA','880'),('1987-10-02','AA','880'),('1987-10-02','AA','880'),('1987-10-02','AA','880'),('1987-10-02','AA','883'),('1987-10-02','AA','883'),('1987-10-02','AA','885'),('1987-10-02','AA','885'),('1987-10-02','AA','885'),('1987-10-02','AA','890'),('1987-10-02','AA','890'),('1987-10-02','AA','893'),('1987-10-02','AA','893'),('1987-10-02','AA','905'),('1987-10-02','AA','905'),('1987-10-02','AA','915'),('1987-10-02','AA','929'),('1987-10-02','AA','929'),('1987-10-02','AA','936'),('1987-10-02','AA','936'),('1987-10-02','AA','937'),('1987-10-02','AA','937'),('1987-10-02','AA','955'),('1987-10-02','AA','955'),('1987-10-02','AA','966'),('1987-10-02','AA','1002'),('1987-10-02','AA','1002'),('1987-10-02','AA','1004'),('1987-10-02','AA','1004'),('1987-10-02','AA','1015'),('1987-10-02','AA','1015'),('1987-10-02','AA','1021'),('1987-10-02','AA','1021'),('1987-10-02','AA','1041'),('1987-10-02','AA','1041'),('1987-10-02','AA','1046'),('1987-10-02','AA','1046'),('1987-10-02','AA','1048'),('1987-10-02','AA','1048'),('1987-10-02','AA','1061'),('1987-10-02','AA','1061'),('1987-10-02','AA','1088'),('1987-10-02','AA','1088'),('1987-10-02','AA','2033'),('1987-10-02','AA','2033'),('1987-10-02','AA','2050'),('1987-10-02','AA','2058'),('1987-10-02','AA','2071'),('1987-10-02','AA','2071'),('1987-10-02','AA','2086'),('1987-10-02','AA','2105'),('1987-10-02','AA','2111'),('1987-10-02','AA','2123'),('1987-10-02','AA','2123'),('1987-10-02','AA','2147'),('1987-10-02','AA','2147'),('1987-10-02','AA','2199'),('1987-10-02','AA','2199'),('1987-10-02','AA','2207'),('1987-10-02','AA','2207'),('1987-10-02','AA','2217'),('1987-10-02','AA','2230'),('1987-10-02','AA','2245'),('1987-10-02','AA','2251'),('1987-10-02','AA','2251'),('1987-10-02','AA','2275'),('1987-10-02','AA','2278'),('1987-10-02','AA','2351'),('1987-10-02','AA','2357'),('1987-10-02','AA','2361'),('1987-10-02','AA','2490'),('1987-10-02','AA','2528'),('1987-10-02','AA','2528'),('1987-10-02','AA','2735'),('1987-10-02','AA','2735'),('1987-10-02','AA','2751'),('1987-10-02','AL','2'),('1987-10-02','AL','2'),('1987-10-02','AL','7'),('1987-10-02','AL','7'),('1987-10-02','AL','26'),('1987-10-02','AL','26'),('1987-10-02','AL','34'),('1987-10-02','AL','34'),('1987-10-02','AL','36'),('1987-10-02','AL','36'),('1987-10-02','AL','45'),('1987-10-02','AL','45'),('1987-10-02','AL','45'),('1987-10-02','AL','91'),('1987-10-02','AL','91'),('1987-10-02','AL','104'),('1987-10-02','AL','104'),('1987-10-02','AL','104'),('1987-10-02','AL','109'),('1987-10-02','AL','112'),('1987-10-02','AL','112'),('1987-10-02','AL','123'),('1987-10-02','AL','149'),('1987-10-02','AL','160'),('1987-10-02','AL','160'),('1987-10-02','AL','165'),('1987-10-02','AL','171'),('1987-10-02','AL','171'),('1987-10-02','AL','176'),('1987-10-02','AL','176'),('1987-10-02','AL','179'),('1987-10-02','AL','215'),('1987-10-02','AL','231'),('1987-10-02','AL','263'),('1987-10-02','AL','263'),('1987-10-02','AL','268'),('1987-10-02','AL','268'),('1987-10-02','AL','268'),('1987-10-02','AL','281'),('1987-10-02','AL','281'),('1987-10-02','AL','287'),('1987-10-02','AL','287'),('1987-10-02','AL','309'),('1987-10-02','AL','309'),('1987-10-02','AL','341'),('1987-10-02','AL','344'),('1987-10-02','AL','344'),('1987-10-02','AL','357'),('1987-10-02','AL','357'),('1987-10-02','AL','368'),('1987-10-02','AL','381'),('1987-10-02','AL','396'),('1987-10-02','AL','397'),('1987-10-02','AL','397'),('1987-10-02','AL','416'),('1987-10-02','AL','416'),('1987-10-02','AL','417'),('1987-10-02','AL','438'),('1987-10-02','AL','438'),('1987-10-02','AL','446'),('1987-10-02','AL','451'),('1987-10-02','AL','451'),('1987-10-02','AL','491'),('1987-10-02','AL','491'),('1987-10-02','AL','523'),('1987-10-02','AL','523'),('1987-10-02','AL','523'),('1987-10-02','AL','525'),('1987-10-02','AL','525'),('1987-10-02','AL','533'),('1987-10-02','AL','533'),('1987-10-02','AL','546'),('1987-10-02','AL','546'),('1987-10-02','AL','556'),('1987-10-02','AL','556'),('1987-10-02','AL','601'),('1987-10-02','AL','601'),('1987-10-02','AL','627'),('1987-10-02','AL','629'),('1987-10-02','AL','670'),('1987-10-02','AL','670'),('1987-10-02','AL','670'),('1987-10-02','AL','673'),('1987-10-02','AL','680'),('1987-10-03','AA','2'),('1987-10-03','AA','2'),('1987-10-03','AA','2'),('1987-10-03','AA','7'),('1987-10-03','AA','7'),('1987-10-03','AA','26'),('1987-10-03','AA','34'),('1987-10-03','AA','36'),('1987-10-03','AA','91'),('1987-10-03','AA','101'),('1987-10-03','AA','101'),('1987-10-03','AA','109'),('1987-10-03','AA','109'),('1987-10-03','AA','112'),('1987-10-03','AA','123'),('1987-10-03','AA','123'),('1987-10-03','AA','165'),('1987-10-03','AA','165'),('1987-10-03','AA','165'),('1987-10-03','AA','176'),('1987-10-03','AA','176'),('1987-10-03','AA','176'),('1987-10-03','AA','176'),('1987-10-03','AA','179'),('1987-10-03','AA','179'),('1987-10-03','AA','215'),('1987-10-03','AA','215'),('1987-10-03','AA','231'),('1987-10-03','AA','231'),('1987-10-03','AA','263'),('1987-10-03','AA','263'),('1987-10-03','AA','268'),('1987-10-03','AA','281'),('1987-10-03','AA','287'),('1987-10-03','AA','287'),('1987-10-03','AA','309'),('1987-10-03','AA','309'),('1987-10-03','AA','309'),('1987-10-03','AA','341'),('1987-10-03','AA','344'),('1987-10-03','AA','344'),('1987-10-03','AA','347'),('1987-10-03','AA','347'),('1987-10-03','AA','368'),('1987-10-03','AA','381'),('1987-10-03','AA','381'),('1987-10-03','AA','381'),('1987-10-03','AA','396'),('1987-10-03','AA','396'),('1987-10-03','AA','397'),('1987-10-03','AA','397'),('1987-10-03','AA','417'),('1987-10-03','AA','417'),('1987-10-03','AA','446'),('1987-10-03','AA','451'),('1987-10-03','AA','451'),('1987-10-03','AA','460'),('1987-10-03','AA','460'),('1987-10-03','AA','491'),('1987-10-03','AA','491'),('1987-10-03','AA','504'),('1987-10-03','AA','504'),('1987-10-03','AA','519'),('1987-10-03','AA','519'),('1987-10-03','AA','523'),('1987-10-03','AA','523'),('1987-10-03','AA','525'),('1987-10-03','AA','525'),('1987-10-03','AA','525'),('1987-10-03','AA','533'),('1987-10-03','AA','533'),('1987-10-03','AA','546'),('1987-10-03','AA','546'),('1987-10-03','AA','546'),('1987-10-03','AA','546'),('1987-10-03','AA','556'),('1987-10-03','AA','556'),('1987-10-03','AA','556'),('1987-10-03','AA','597'),('1987-10-03','AA','597'),('1987-10-03','AA','597'),('1987-10-03','AA','601'),('1987-10-03','AA','601'),('1987-10-03','AA','627'),('1987-10-03','AA','629'),('1987-10-03','AA','629'),('1987-10-03','AA','670'),('1987-10-03','AA','673'),('1987-10-03','AA','673'),('1987-10-03','AA','680'),('1987-10-03','AA','680'),('1987-10-03','AA','817'),('1987-10-03','AA','817'),('1987-10-03','AA','824'),('1987-10-03','AA','824'),('1987-10-03','AA','824'),('1987-10-03','AA','824'),('1987-10-03','AA','832'),('1987-10-03','AA','832'),('1987-10-03','AA','852'),('1987-10-03','AA','852'),('1987-10-03','AA','866'),('1987-10-03','AA','866'),('1987-10-03','AA','871'),('1987-10-03','AA','871'),('1987-10-03','AA','880'),('1987-10-03','AA','880'),('1987-10-03','AA','880'),('1987-10-03','AA','880'),('1987-10-03','AA','883'),('1987-10-03','AA','883'),('1987-10-03','AA','885'),('1987-10-03','AA','885'),('1987-10-03','AA','885'),('1987-10-03','AA','890'),('1987-10-03','AA','890'),('1987-10-03','AA','893'),('1987-10-03','AA','893'),('1987-10-03','AA','905'),('1987-10-03','AA','905'),('1987-10-03','AA','915'),('1987-10-03','AA','929'),('1987-10-03','AA','929'),('1987-10-03','AA','936'),('1987-10-03','AA','936'),('1987-10-03','AA','937'),('1987-10-03','AA','937'),('1987-10-03','AA','955'),('1987-10-03','AA','955'),('1987-10-03','AA','966'),('1987-10-03','AA','1002'),('1987-10-03','AA','1002'),('1987-10-03','AA','1004'),('1987-10-03','AA','1004'),('1987-10-03','AA','1015'),('1987-10-03','AA','1015'),('1987-10-03','AA','1021'),('1987-10-03','AA','1041'),('1987-10-03','AA','1041'),('1987-10-03','AA','1046'),('1987-10-03','AA','1046'),('1987-10-03','AA','1048'),('1987-10-03','AA','1048'),('1987-10-03','AA','1061'),('1987-10-03','AA','1061'),('1987-10-03','AA','1088'),('1987-10-03','AA','1088'),('1987-10-03','AA','2033'),('1987-10-03','AA','2033'),('1987-10-03','AA','2050'),('1987-10-03','AA','2058'),('1987-10-03','AA','2071'),('1987-10-03','AA','2071'),('1987-10-03','AA','2086'),('1987-10-03','AA','2105'),('1987-10-03','AA','2111'),('1987-10-03','AA','2123'),('1987-10-03','AA','2123'),('1987-10-03','AA','2147'),('1987-10-03','AA','2147'),('1987-10-03','AA','2199'),('1987-10-03','AA','2207'),('1987-10-03','AA','2207'),('1987-10-03','AA','2245'),('1987-10-03','AA','2251'),('1987-10-03','AA','2251'),('1987-10-03','AA','2275'),('1987-10-03','AA','2278'),('1987-10-03','AA','2361'),('1987-10-03','AA','2490'),('1987-10-03','AA','2528'),('1987-10-03','AA','2528'),('1987-10-03','AA','2735'),('1987-10-03','AA','2735'),('1987-10-03','AL','2'),('1987-10-03','AL','2'),('1987-10-03','AL','7'),('1987-10-03','AL','7'),('1987-10-03','AL','26'),('1987-10-03','AL','26'),('1987-10-03','AL','34'),('1987-10-03','AL','34'),('1987-10-03','AL','36'),('1987-10-03','AL','36'),('1987-10-03','AL','45'),('1987-10-03','AL','45'),('1987-10-03','AL','45'),('1987-10-03','AL','91'),('1987-10-03','AL','91'),('1987-10-03','AL','104'),('1987-10-03','AL','104'),('1987-10-03','AL','109'),('1987-10-03','AL','112'),('1987-10-03','AL','112'),('1987-10-03','AL','149'),('1987-10-03','AL','160'),('1987-10-03','AL','160'),('1987-10-03','AL','165'),('1987-10-03','AL','171'),('1987-10-03','AL','171'),('1987-10-03','AL','176'),('1987-10-03','AL','176'),('1987-10-03','AL','179'),('1987-10-03','AL','215'),('1987-10-03','AL','231'),('1987-10-03','AL','263'),('1987-10-03','AL','287'),('1987-10-03','AL','287'),('1987-10-03','AL','309'),('1987-10-03','AL','309'),('1987-10-03','AL','344'),('1987-10-03','AL','344'),('1987-10-03','AL','357'),('1987-10-03','AL','357'),('1987-10-03','AL','381'),('1987-10-03','AL','396'),('1987-10-03','AL','397'),('1987-10-03','AL','397'),('1987-10-03','AL','397'),('1987-10-03','AL','416'),('1987-10-03','AL','417'),('1987-10-03','AL','438'),('1987-10-03','AL','451'),('1987-10-03','AL','451'),('1987-10-03','AL','491'),('1987-10-03','AL','491'),('1987-10-03','AL','523'),('1987-10-03','AL','523'),('1987-10-03','AL','525'),('1987-10-03','AL','525'),('1987-10-03','AL','533'),('1987-10-03','AL','546'),('1987-10-03','AL','546'),('1987-10-03','AL','556'),('1987-10-03','AL','556'),('1987-10-03','AL','601'),('1987-10-03','AL','601'),('1987-10-03','AL','627'),('1987-10-03','AL','670'),('1987-10-03','AL','673'),('1987-10-03','AL','680'),('1987-10-03','AL','905'),('1987-10-03','AL','936'),('1987-10-03','AL','966'),('1987-10-04','AA','2'),('1987-10-04','AA','2'),('1987-10-04','AA','2'),('1987-10-04','AA','7'),('1987-10-04','AA','7'),('1987-10-04','AA','26'),('1987-10-04','AA','34'),('1987-10-04','AA','36'),('1987-10-04','AA','91'),('1987-10-04','AA','101'),('1987-10-04','AA','101'),('1987-10-04','AA','109'),('1987-10-04','AA','109'),('1987-10-04','AA','112'),('1987-10-04','AA','123'),('1987-10-04','AA','123'),('1987-10-04','AA','160'),('1987-10-04','AA','165'),('1987-10-04','AA','165'),('1987-10-04','AA','165'),('1987-10-04','AA','176'),('1987-10-04','AA','176'),('1987-10-04','AA','176'),('1987-10-04','AA','176'),('1987-10-04','AA','179'),('1987-10-04','AA','179'),('1987-10-04','AA','215'),('1987-10-04','AA','215'),('1987-10-04','AA','231'),('1987-10-04','AA','231'),('1987-10-04','AA','263'),('1987-10-04','AA','263'),('1987-10-04','AA','268'),('1987-10-04','AA','268'),('1987-10-04','AA','281'),('1987-10-04','AA','287'),('1987-10-04','AA','287'),('1987-10-04','AA','309'),('1987-10-04','AA','309'),('1987-10-04','AA','309'),('1987-10-04','AA','341'),('1987-10-04','AA','344'),('1987-10-04','AA','344'),('1987-10-04','AA','347'),('1987-10-04','AA','347'),('1987-10-04','AA','381'),('1987-10-04','AA','381'),('1987-10-04','AA','381'),('1987-10-04','AA','396'),('1987-10-04','AA','396'),('1987-10-04','AA','397'),('1987-10-04','AA','397'),('1987-10-04','AA','417'),('1987-10-04','AA','417'),('1987-10-04','AA','446'),('1987-10-04','AA','451'),('1987-10-04','AA','451'),('1987-10-04','AA','460'),('1987-10-04','AA','460'),('1987-10-04','AA','491'),('1987-10-04','AA','491'),('1987-10-04','AA','504'),('1987-10-04','AA','504'),('1987-10-04','AA','519'),('1987-10-04','AA','519'),('1987-10-04','AA','523'),('1987-10-04','AA','523'),('1987-10-04','AA','525'),('1987-10-04','AA','525'),('1987-10-04','AA','525'),('1987-10-04','AA','533'),('1987-10-04','AA','533'),('1987-10-04','AA','533'),('1987-10-04','AA','546'),('1987-10-04','AA','546'),('1987-10-04','AA','546'),('1987-10-04','AA','546'),('1987-10-04','AA','556'),('1987-10-04','AA','556'),('1987-10-04','AA','556'),('1987-10-04','AA','597'),('1987-10-04','AA','597'),('1987-10-04','AA','597'),('1987-10-04','AA','601'),('1987-10-04','AA','601'),('1987-10-04','AA','627'),('1987-10-04','AA','629'),('1987-10-04','AA','629'),('1987-10-04','AA','670'),('1987-10-04','AA','673'),('1987-10-04','AA','673'),('1987-10-04','AA','680'),('1987-10-04','AA','680'),('1987-10-04','AA','817'),('1987-10-04','AA','817'),('1987-10-04','AA','824'),('1987-10-04','AA','824'),('1987-10-04','AA','824'),('1987-10-04','AA','832'),('1987-10-04','AA','832'),('1987-10-04','AA','852'),('1987-10-04','AA','852'),('1987-10-04','AA','866'),('1987-10-04','AA','866'),('1987-10-04','AA','871'),('1987-10-04','AA','871'),('1987-10-04','AA','880'),('1987-10-04','AA','880'),('1987-10-04','AA','880'),('1987-10-04','AA','880'),('1987-10-04','AA','883'),('1987-10-04','AA','883'),('1987-10-04','AA','885'),('1987-10-04','AA','885'),('1987-10-04','AA','890'),('1987-10-04','AA','890'),('1987-10-04','AA','893'),('1987-10-04','AA','893'),('1987-10-04','AA','905'),('1987-10-04','AA','905'),('1987-10-04','AA','915'),('1987-10-04','AA','929'),('1987-10-04','AA','929'),('1987-10-04','AA','936'),('1987-10-04','AA','936'),('1987-10-04','AA','937'),('1987-10-04','AA','937'),('1987-10-04','AA','955'),('1987-10-04','AA','955'),('1987-10-04','AA','966'),('1987-10-04','AA','1002'),('1987-10-04','AA','1002'),('1987-10-04','AA','1004'),('1987-10-04','AA','1004'),('1987-10-04','AA','1015'),('1987-10-04','AA','1021'),('1987-10-04','AA','1021'),('1987-10-04','AA','1041'),('1987-10-04','AA','1041'),('1987-10-04','AA','1046'),('1987-10-04','AA','1046'),('1987-10-04','AA','1048'),('1987-10-04','AA','1048'),('1987-10-04','AA','1061'),('1987-10-04','AA','1061'),('1987-10-04','AA','1088'),('1987-10-04','AA','1088'),('1987-10-04','AA','2033'),('1987-10-04','AA','2033'),('1987-10-04','AA','2050'),('1987-10-04','AA','2058'),('1987-10-04','AA','2071'),('1987-10-04','AA','2071'),('1987-10-04','AA','2086'),('1987-10-04','AA','2111'),('1987-10-04','AA','2123'),('1987-10-04','AA','2123'),('1987-10-04','AA','2147'),('1987-10-04','AA','2147'),('1987-10-04','AA','2199'),('1987-10-04','AA','2199'),('1987-10-04','AA','2207'),('1987-10-04','AA','2207'),('1987-10-04','AA','2230'),('1987-10-04','AA','2245'),('1987-10-04','AA','2251'),('1987-10-04','AA','2251'),('1987-10-04','AA','2275'),('1987-10-04','AA','2278'),('1987-10-04','AA','2357'),('1987-10-04','AA','2361'),('1987-10-04','AA','2490'),('1987-10-04','AA','2528'),('1987-10-04','AA','2528'),('1987-10-04','AA','2735'),('1987-10-04','AA','2735'),('1987-10-04','AA','2751'),('1987-10-04','AL','7'),('1987-10-04','AL','7'),('1987-10-04','AL','26'),('1987-10-04','AL','26'),('1987-10-04','AL','34'),('1987-10-04','AL','34'),('1987-10-04','AL','36'),('1987-10-04','AL','36'),('1987-10-04','AL','45'),('1987-10-04','AL','45'),('1987-10-04','AL','45'),('1987-10-04','AL','91'),('1987-10-04','AL','91'),('1987-10-04','AL','104'),('1987-10-04','AL','123'),('1987-10-04','AL','149'),('1987-10-04','AL','160'),('1987-10-04','AL','160'),('1987-10-04','AL','165'),('1987-10-04','AL','171'),('1987-10-04','AL','171'),('1987-10-04','AL','176'),('1987-10-04','AL','176'),('1987-10-04','AL','179'),('1987-10-04','AL','215'),('1987-10-04','AL','231'),('1987-10-04','AL','263'),('1987-10-04','AL','263'),('1987-10-04','AL','281'),('1987-10-04','AL','281'),('1987-10-04','AL','309'),('1987-10-04','AL','309'),('1987-10-04','AL','341'),('1987-10-04','AL','344'),('1987-10-04','AL','344'),('1987-10-04','AL','357'),('1987-10-04','AL','357'),('1987-10-04','AL','368'),('1987-10-04','AL','416'),('1987-10-04','AL','416'),('1987-10-04','AL','417'),('1987-10-04','AL','438'),('1987-10-04','AL','438'),('1987-10-04','AL','451'),('1987-10-04','AL','491'),('1987-10-04','AL','491'),('1987-10-04','AL','525'),('1987-10-04','AL','525'),('1987-10-04','AL','533'),('1987-10-04','AL','533'),('1987-10-04','AL','546'),('1987-10-04','AL','546'),('1987-10-04','AL','556'),('1987-10-04','AL','556'),('1987-10-04','AL','601'),('1987-10-04','AL','627'),('1987-10-04','AL','629'),('1987-10-04','AL','670'),('1987-10-04','AL','670'),('1987-10-04','AL','670'),('1987-10-04','AL','673'),('1987-10-04','AL','680'),('1987-10-04','AL','937'),('1987-10-04','AL','937'),('1987-10-04','AL','955'),('1987-10-12','AA','2'),('1987-10-12','AA','2'),('1987-10-12','AA','2'),('1987-10-12','AA','7'),('1987-10-12','AA','7'),('1987-10-12','AA','26'),('1987-10-12','AA','34'),('1987-10-12','AA','36'),('1987-10-12','AA','91'),('1987-10-12','AA','101'),('1987-10-12','AA','101'),('1987-10-12','AA','109'),('1987-10-12','AA','109'),('1987-10-12','AA','112'),('1987-10-12','AA','123'),('1987-10-12','AA','123'),('1987-10-12','AA','160'),('1987-10-12','AA','165'),('1987-10-12','AA','165'),('1987-10-12','AA','165'),('1987-10-12','AA','176'),('1987-10-12','AA','176'),('1987-10-12','AA','176'),('1987-10-12','AA','176'),('1987-10-12','AA','179'),('1987-10-12','AA','179'),('1987-10-12','AA','215'),('1987-10-12','AA','215'),('1987-10-12','AA','231'),('1987-10-12','AA','263'),('1987-10-12','AA','263'),('1987-10-12','AA','268'),('1987-10-12','AA','268'),('1987-10-12','AA','281'),('1987-10-12','AA','287'),('1987-10-12','AA','287'),('1987-10-12','AA','309'),('1987-10-12','AA','309'),('1987-10-12','AA','309'),('1987-10-12','AA','341'),('1987-10-12','AA','344'),('1987-10-12','AA','344'),('1987-10-12','AA','347'),('1987-10-12','AA','347'),('1987-10-12','AA','368'),('1987-10-12','AA','381'),('1987-10-12','AA','381'),('1987-10-12','AA','381'),('1987-10-12','AA','396'),('1987-10-12','AA','396'),('1987-10-12','AA','397'),('1987-10-12','AA','397'),('1987-10-12','AA','417'),('1987-10-12','AA','417'),('1987-10-12','AA','446'),('1987-10-12','AA','451'),('1987-10-12','AA','451'),('1987-10-12','AA','460'),('1987-10-12','AA','460'),('1987-10-12','AA','491'),('1987-10-12','AA','504'),('1987-10-12','AA','504'),('1987-10-12','AA','519'),('1987-10-12','AA','523'),('1987-10-12','AA','523'),('1987-10-12','AA','525'),('1987-10-12','AA','525'),('1987-10-12','AA','525'),('1987-10-12','AA','533'),('1987-10-12','AA','533'),('1987-10-12','AA','533'),('1987-10-12','AA','546'),('1987-10-12','AA','546'),('1987-10-12','AA','546'),('1987-10-12','AA','546'),('1987-10-12','AA','556'),('1987-10-12','AA','556'),('1987-10-12','AA','556'),('1987-10-12','AA','597'),('1987-10-12','AA','597'),('1987-10-12','AA','597'),('1987-10-12','AA','601'),('1987-10-12','AA','601'),('1987-10-12','AA','627'),('1987-10-12','AA','629'),('1987-10-12','AA','629'),('1987-10-12','AA','670'),('1987-10-12','AA','673'),('1987-10-12','AA','673'),('1987-10-12','AA','680'),('1987-10-12','AA','680'),('1987-10-12','AA','817'),('1987-10-12','AA','817'),('1987-10-12','AA','824'),('1987-10-12','AA','824'),('1987-10-12','AA','824'),('1987-10-12','AA','824'),('1987-10-12','AA','832'),('1987-10-12','AA','832'),('1987-10-12','AA','852'),('1987-10-12','AA','852'),('1987-10-12','AA','866'),('1987-10-12','AA','866'),('1987-10-12','AA','871'),('1987-10-12','AA','871'),('1987-10-12','AA','880'),('1987-10-12','AA','880'),('1987-10-12','AA','880'),('1987-10-12','AA','880'),('1987-10-12','AA','883'),('1987-10-12','AA','883'),('1987-10-12','AA','885'),('1987-10-12','AA','885'),('1987-10-12','AA','885'),('1987-10-12','AA','890'),('1987-10-12','AA','890'),('1987-10-12','AA','893'),('1987-10-12','AA','893'),('1987-10-12','AA','905'),('1987-10-12','AA','905'),('1987-10-12','AA','915'),('1987-10-12','AA','929'),('1987-10-12','AA','929'),('1987-10-12','AA','936'),('1987-10-12','AA','936'),('1987-10-12','AA','937'),('1987-10-12','AA','937'),('1987-10-12','AA','955'),('1987-10-12','AA','955'),('1987-10-12','AA','966'),('1987-10-12','AA','1002'),('1987-10-12','AA','1002'),('1987-10-12','AA','1004'),('1987-10-12','AA','1015'),('1987-10-12','AA','1015'),('1987-10-12','AA','1021'),('1987-10-12','AA','1021'),('1987-10-12','AA','1041'),('1987-10-12','AA','1041'),('1987-10-12','AA','1046'),('1987-10-12','AA','1046'),('1987-10-12','AA','1048'),('1987-10-12','AA','1048'),('1987-10-12','AA','1061'),('1987-10-12','AA','1061'),('1987-10-12','AA','1088'),('1987-10-12','AA','1088'),('1987-10-12','AA','2033'),('1987-10-12','AA','2033'),('1987-10-12','AA','2050'),('1987-10-12','AA','2058'),('1987-10-12','AA','2071'),('1987-10-12','AA','2071'),('1987-10-12','AA','2086'),('1987-10-12','AA','2105'),('1987-10-12','AA','2111'),('1987-10-12','AA','2123'),('1987-10-12','AA','2123'),('1987-10-12','AA','2147'),('1987-10-12','AA','2147'),('1987-10-12','AA','2199'),('1987-10-12','AA','2199'),('1987-10-12','AA','2207'),('1987-10-12','AA','2207'),('1987-10-12','AA','2217'),('1987-10-12','AA','2230'),('1987-10-12','AA','2245'),('1987-10-12','AA','2251'),('1987-10-12','AA','2251'),('1987-10-12','AA','2275'),('1987-10-12','AA','2278'),('1987-10-12','AA','2351'),('1987-10-12','AA','2357'),('1987-10-12','AA','2361'),('1987-10-12','AA','2490'),('1987-10-12','AA','2528'),('1987-10-12','AA','2528'),('1987-10-12','AA','2735'),('1987-10-12','AA','2735'),('1987-10-12','AA','2751'),('1987-10-12','AL','2'),('1987-10-12','AL','2'),('1987-10-12','AL','7'),('1987-10-12','AL','7'),('1987-10-12','AL','26'),('1987-10-12','AL','26'),('1987-10-12','AL','34'),('1987-10-12','AL','34'),('1987-10-12','AL','36'),('1987-10-12','AL','36'),('1987-10-12','AL','45'),('1987-10-12','AL','45'),('1987-10-12','AL','45'),('1987-10-12','AL','91'),('1987-10-12','AL','91'),('1987-10-12','AL','104'),('1987-10-12','AL','104'),('1987-10-12','AL','104'),('1987-10-12','AL','109'),('1987-10-12','AL','112'),('1987-10-12','AL','112'),('1987-10-12','AL','123'),('1987-10-12','AL','149'),('1987-10-12','AL','160'),('1987-10-12','AL','160'),('1987-10-12','AL','165'),('1987-10-12','AL','171'),('1987-10-12','AL','171'),('1987-10-12','AL','176'),('1987-10-12','AL','176'),('1987-10-12','AL','179'),('1987-10-12','AL','215'),('1987-10-12','AL','231'),('1987-10-12','AL','263'),('1987-10-12','AL','263'),('1987-10-12','AL','268'),('1987-10-12','AL','268'),('1987-10-12','AL','268'),('1987-10-12','AL','281'),('1987-10-12','AL','281'),('1987-10-12','AL','287'),('1987-10-12','AL','287'),('1987-10-12','AL','309'),('1987-10-12','AL','309'),('1987-10-12','AL','341'),('1987-10-12','AL','344'),('1987-10-12','AL','344'),('1987-10-12','AL','357'),('1987-10-12','AL','357'),('1987-10-12','AL','368'),('1987-10-12','AL','381'),('1987-10-12','AL','396'),('1987-10-12','AL','397'),('1987-10-12','AL','397'),('1987-10-12','AL','416'),('1987-10-12','AL','416'),('1987-10-12','AL','417'),('1987-10-12','AL','438'),('1987-10-12','AL','438'),('1987-10-12','AL','446'),('1987-10-12','AL','451'),('1987-10-12','AL','451'),('1987-10-12','AL','491'),('1987-10-12','AL','491'),('1987-10-12','AL','523'),('1987-10-12','AL','523'),('1987-10-12','AL','523'),('1987-10-12','AL','525'),('1987-10-12','AL','525'),('1987-10-12','AL','533'),('1987-10-12','AL','533'),('1987-10-12','AL','546'),('1987-10-12','AL','546'),('1987-10-12','AL','556'),('1987-10-12','AL','556'),('1987-10-12','AL','627'),('1987-10-12','AL','629'),('1987-10-12','AL','670'),('1987-10-12','AL','670'),('1987-10-12','AL','670'),('1987-10-12','AL','673'),('1987-10-13','AA','2'),('1987-10-13','AA','2'),('1987-10-13','AA','2'),('1987-10-13','AA','7'),('1987-10-13','AA','7'),('1987-10-13','AA','26'),('1987-10-13','AA','34'),('1987-10-13','AA','36'),('1987-10-13','AA','91'),('1987-10-13','AA','101'),('1987-10-13','AA','101'),('1987-10-13','AA','109'),('1987-10-13','AA','109'),('1987-10-13','AA','112'),('1987-10-13','AA','123'),('1987-10-13','AA','123'),('1987-10-13','AA','160'),('1987-10-13','AA','165'),('1987-10-13','AA','165'),('1987-10-13','AA','165'),('1987-10-13','AA','176'),('1987-10-13','AA','176'),('1987-10-13','AA','176'),('1987-10-13','AA','176'),('1987-10-13','AA','179'),('1987-10-13','AA','179'),('1987-10-13','AA','215'),('1987-10-13','AA','215'),('1987-10-13','AA','231'),('1987-10-13','AA','231'),('1987-10-13','AA','263'),('1987-10-13','AA','263'),('1987-10-13','AA','268'),('1987-10-13','AA','268'),('1987-10-13','AA','281'),('1987-10-13','AA','287'),('1987-10-13','AA','287'),('1987-10-13','AA','309'),('1987-10-13','AA','309'),('1987-10-13','AA','309'),('1987-10-13','AA','341'),('1987-10-13','AA','344'),('1987-10-13','AA','344'),('1987-10-13','AA','347'),('1987-10-13','AA','347'),('1987-10-13','AA','368'),('1987-10-13','AA','381'),('1987-10-13','AA','381'),('1987-10-13','AA','381'),('1987-10-13','AA','396'),('1987-10-13','AA','396'),('1987-10-13','AA','397'),('1987-10-13','AA','397'),('1987-10-13','AA','417'),('1987-10-13','AA','417'),('1987-10-13','AA','446'),('1987-10-13','AA','451'),('1987-10-13','AA','451'),('1987-10-13','AA','460'),('1987-10-13','AA','460'),('1987-10-13','AA','491'),('1987-10-13','AA','504'),('1987-10-13','AA','504'),('1987-10-13','AA','519'),('1987-10-13','AA','519'),('1987-10-13','AA','523'),('1987-10-13','AA','523'),('1987-10-13','AA','525'),('1987-10-13','AA','525'),('1987-10-13','AA','533'),('1987-10-13','AA','533'),('1987-10-13','AA','533'),('1987-10-13','AA','546'),('1987-10-13','AA','546'),('1987-10-13','AA','546'),('1987-10-13','AA','556'),('1987-10-13','AA','556'),('1987-10-13','AA','556'),('1987-10-13','AA','597'),('1987-10-13','AA','597'),('1987-10-13','AA','597'),('1987-10-13','AA','601'),('1987-10-13','AA','601'),('1987-10-13','AA','627'),('1987-10-13','AA','629'),('1987-10-13','AA','629'),('1987-10-13','AA','673'),('1987-10-13','AA','673'),('1987-10-13','AA','680'),('1987-10-13','AA','817'),('1987-10-13','AA','817'),('1987-10-13','AA','824'),('1987-10-13','AA','824'),('1987-10-13','AA','824'),('1987-10-13','AA','832'),('1987-10-13','AA','832'),('1987-10-13','AA','852'),('1987-10-13','AA','866'),('1987-10-13','AA','866'),('1987-10-13','AA','871'),('1987-10-13','AA','871'),('1987-10-13','AA','880'),('1987-10-13','AA','880'),('1987-10-13','AA','880'),('1987-10-13','AA','880'),('1987-10-13','AA','883'),('1987-10-13','AA','883'),('1987-10-13','AA','885'),('1987-10-13','AA','885'),('1987-10-13','AA','885'),('1987-10-13','AA','890'),('1987-10-13','AA','890'),('1987-10-13','AA','893'),('1987-10-13','AA','893'),('1987-10-13','AA','905'),('1987-10-13','AA','905'),('1987-10-13','AA','915'),('1987-10-13','AA','929'),('1987-10-13','AA','929'),('1987-10-13','AA','936'),('1987-10-13','AA','936'),('1987-10-13','AA','937'),('1987-10-13','AA','937'),('1987-10-13','AA','955'),('1987-10-13','AA','955'),('1987-10-13','AA','966'),('1987-10-13','AA','1002'),('1987-10-13','AA','1002'),('1987-10-13','AA','1004'),('1987-10-13','AA','1004'),('1987-10-13','AA','1015'),('1987-10-13','AA','1015'),('1987-10-13','AA','1021'),('1987-10-13','AA','1021'),('1987-10-13','AA','1041'),('1987-10-13','AA','1041'),('1987-10-13','AA','1046'),('1987-10-13','AA','1046'),('1987-10-13','AA','1048'),('1987-10-13','AA','1048'),('1987-10-13','AA','1061'),('1987-10-13','AA','1061'),('1987-10-13','AA','1088'),('1987-10-13','AA','1088'),('1987-10-13','AA','2033'),('1987-10-13','AA','2050'),('1987-10-13','AA','2071'),('1987-10-13','AA','2071'),('1987-10-13','AA','2086'),('1987-10-13','AA','2105'),('1987-10-13','AA','2111'),('1987-10-13','AA','2123'),('1987-10-13','AA','2123'),('1987-10-13','AA','2147'),('1987-10-13','AA','2147'),('1987-10-13','AA','2199'),('1987-10-13','AA','2199'),('1987-10-13','AA','2207'),('1987-10-13','AA','2207'),('1987-10-13','AA','2217'),('1987-10-13','AA','2230'),('1987-10-13','AA','2245'),('1987-10-13','AA','2251'),('1987-10-13','AA','2251'),('1987-10-13','AA','2275'),('1987-10-13','AA','2351'),('1987-10-13','AA','2357'),('1987-10-13','AA','2361'),('1987-10-13','AA','2490'),('1987-10-13','AA','2528'),('1987-10-13','AA','2528'),('1987-10-13','AA','2735'),('1987-10-13','AA','2735'),('1987-10-13','AA','2751'),('1987-10-13','AL','2'),('1987-10-13','AL','2'),('1987-10-13','AL','7'),('1987-10-13','AL','7'),('1987-10-13','AL','26'),('1987-10-13','AL','26'),('1987-10-13','AL','34'),('1987-10-13','AL','34'),('1987-10-13','AL','36'),('1987-10-13','AL','36'),('1987-10-13','AL','45'),('1987-10-13','AL','45'),('1987-10-13','AL','45'),('1987-10-13','AL','91'),('1987-10-13','AL','91'),('1987-10-13','AL','104'),('1987-10-13','AL','104'),('1987-10-13','AL','104'),('1987-10-13','AL','109'),('1987-10-13','AL','112'),('1987-10-13','AL','112'),('1987-10-13','AL','123'),('1987-10-13','AL','149'),('1987-10-13','AL','160'),('1987-10-13','AL','160'),('1987-10-13','AL','171'),('1987-10-13','AL','171'),('1987-10-13','AL','176'),('1987-10-13','AL','176'),('1987-10-13','AL','179'),('1987-10-13','AL','231'),('1987-10-13','AL','263'),('1987-10-13','AL','263'),('1987-10-13','AL','268'),('1987-10-13','AL','268'),('1987-10-13','AL','268'),('1987-10-13','AL','281'),('1987-10-13','AL','281'),('1987-10-13','AL','287'),('1987-10-13','AL','287'),('1987-10-13','AL','309'),('1987-10-13','AL','309'),('1987-10-13','AL','341'),('1987-10-13','AL','357'),('1987-10-13','AL','357'),('1987-10-13','AL','368'),('1987-10-13','AL','381'),('1987-10-13','AL','396'),('1987-10-13','AL','397'),('1987-10-13','AL','397'),('1987-10-13','AL','416'),('1987-10-13','AL','417'),('1987-10-13','AL','438'),('1987-10-13','AL','438'),('1987-10-13','AL','446'),('1987-10-13','AL','451'),('1987-10-13','AL','451'),('1987-10-13','AL','491'),('1987-10-13','AL','491'),('1987-10-13','AL','523'),('1987-10-13','AL','523'),('1987-10-13','AL','523'),('1987-10-13','AL','525'),('1987-10-13','AL','525'),('1987-10-13','AL','533'),('1987-10-13','AL','533'),('1987-10-13','AL','546'),('1987-10-13','AL','546'),('1987-10-13','AL','556'),('1987-10-13','AL','556'),('1987-10-13','AL','601'),('1987-10-13','AL','601'),('1987-10-13','AL','627'),('1987-10-13','AL','629'),('1987-10-13','AL','670'),('1987-10-13','AL','670'),('1987-10-13','AL','670'),('1987-10-13','AL','673'),('1987-10-13','AL','680'),('1987-10-14','AA','2'),('1987-10-14','AA','2'),('1987-10-14','AA','2'),('1987-10-14','AA','7'),('1987-10-14','AA','7'),('1987-10-14','AA','26'),('1987-10-14','AA','34'),('1987-10-14','AA','36'),('1987-10-14','AA','91'),('1987-10-14','AA','101'),('1987-10-14','AA','101'),('1987-10-14','AA','109'),('1987-10-14','AA','109'),('1987-10-14','AA','112'),('1987-10-14','AA','123'),('1987-10-14','AA','123'),('1987-10-14','AA','160'),('1987-10-14','AA','165'),('1987-10-14','AA','165'),('1987-10-14','AA','176'),('1987-10-14','AA','176'),('1987-10-14','AA','176'),('1987-10-14','AA','176'),('1987-10-14','AA','179'),('1987-10-14','AA','179'),('1987-10-14','AA','215'),('1987-10-14','AA','215'),('1987-10-14','AA','231'),('1987-10-14','AA','231'),('1987-10-14','AA','263'),('1987-10-14','AA','263'),('1987-10-14','AA','268'),('1987-10-14','AA','268'),('1987-10-14','AA','281'),('1987-10-14','AA','287'),('1987-10-14','AA','309'),('1987-10-14','AA','309'),('1987-10-14','AA','309'),('1987-10-14','AA','341'),('1987-10-14','AA','344'),('1987-10-14','AA','344'),('1987-10-14','AA','347'),('1987-10-14','AA','347'),('1987-10-14','AA','368'),('1987-10-14','AA','381'),('1987-10-14','AA','381'),('1987-10-14','AA','381'),('1987-10-14','AA','396'),('1987-10-14','AA','396'),('1987-10-14','AA','397'),('1987-10-14','AA','417'),('1987-10-14','AA','446'),('1987-10-14','AA','451'),('1987-10-14','AA','451'),('1987-10-14','AA','460'),('1987-10-14','AA','460'),('1987-10-14','AA','491'),('1987-10-14','AA','504'),('1987-10-14','AA','519'),('1987-10-14','AA','519'),('1987-10-14','AA','523'),('1987-10-14','AA','523'),('1987-10-14','AA','525'),('1987-10-14','AA','525'),('1987-10-14','AA','533'),('1987-10-14','AA','533'),('1987-10-14','AA','533'),('1987-10-14','AA','546'),('1987-10-14','AA','546'),('1987-10-14','AA','546'),('1987-10-14','AA','546'),('1987-10-14','AA','556'),('1987-10-14','AA','556'),('1987-10-14','AA','556'),('1987-10-14','AA','597'),('1987-10-14','AA','597'),('1987-10-14','AA','597'),('1987-10-14','AA','601'),('1987-10-14','AA','601'),('1987-10-14','AA','627'),('1987-10-14','AA','629'),('1987-10-14','AA','629'),('1987-10-14','AA','670'),('1987-10-14','AA','673'),('1987-10-14','AA','673'),('1987-10-14','AA','680'),('1987-10-14','AA','680'),('1987-10-14','AA','817'),('1987-10-14','AA','817'),('1987-10-14','AA','824'),('1987-10-14','AA','824'),('1987-10-14','AA','824'),('1987-10-14','AA','824'),('1987-10-14','AA','832'),('1987-10-14','AA','832'),('1987-10-14','AA','852'),('1987-10-14','AA','866'),('1987-10-14','AA','866'),('1987-10-14','AA','871'),('1987-10-14','AA','871'),('1987-10-14','AA','880'),('1987-10-14','AA','880'),('1987-10-14','AA','880'),('1987-10-14','AA','883'),('1987-10-14','AA','883'),('1987-10-14','AA','885'),('1987-10-14','AA','885'),('1987-10-14','AA','885'),('1987-10-14','AA','890'),('1987-10-14','AA','890'),('1987-10-14','AA','893'),('1987-10-14','AA','893'),('1987-10-14','AA','905'),('1987-10-14','AA','905'),('1987-10-14','AA','915'),('1987-10-14','AA','929'),('1987-10-14','AA','929'),('1987-10-14','AA','936'),('1987-10-14','AA','936'),('1987-10-14','AA','937'),('1987-10-14','AA','937'),('1987-10-14','AA','955'),('1987-10-14','AA','955'),('1987-10-14','AA','966'),('1987-10-14','AA','1002'),('1987-10-14','AA','1002'),('1987-10-14','AA','1004'),('1987-10-14','AA','1004'),('1987-10-14','AA','1015'),('1987-10-14','AA','1015'),('1987-10-14','AA','1021'),('1987-10-14','AA','1021'),('1987-10-14','AA','1041'),('1987-10-14','AA','1041'),('1987-10-14','AA','1046'),('1987-10-14','AA','1046'),('1987-10-14','AA','1048'),('1987-10-14','AA','1048'),('1987-10-14','AA','1061'),('1987-10-14','AA','1061'),('1987-10-14','AA','1088'),('1987-10-14','AA','1088'),('1987-10-14','AA','2033'),('1987-10-14','AA','2033'),('1987-10-14','AA','2050'),('1987-10-14','AA','2058'),('1987-10-14','AA','2071'),('1987-10-14','AA','2071'),('1987-10-14','AA','2086'),('1987-10-14','AA','2111'),('1987-10-14','AA','2123'),('1987-10-14','AA','2123'),('1987-10-14','AA','2147'),('1987-10-14','AA','2147'),('1987-10-14','AA','2199'),('1987-10-14','AA','2199'),('1987-10-14','AA','2207'),('1987-10-14','AA','2207'),('1987-10-14','AA','2217'),('1987-10-14','AA','2230'),('1987-10-14','AA','2251'),('1987-10-14','AA','2251'),('1987-10-14','AA','2278'),('1987-10-14','AA','2351'),('1987-10-14','AA','2357'),('1987-10-14','AA','2490'),('1987-10-14','AA','2528'),('1987-10-14','AA','2528'),('1987-10-14','AA','2735'),('1987-10-14','AA','2735'),('1987-10-14','AA','2751'),('1987-10-14','AL','2'),('1987-10-14','AL','2'),('1987-10-14','AL','7'),('1987-10-14','AL','7'),('1987-10-14','AL','26'),('1987-10-14','AL','26'),('1987-10-14','AL','34'),('1987-10-14','AL','36'),('1987-10-14','AL','36'),('1987-10-14','AL','45'),('1987-10-14','AL','45'),('1987-10-14','AL','91'),('1987-10-14','AL','91'),('1987-10-14','AL','104'),('1987-10-14','AL','104'),('1987-10-14','AL','104'),('1987-10-14','AL','109'),('1987-10-14','AL','112'),('1987-10-14','AL','112'),('1987-10-14','AL','123'),('1987-10-14','AL','149'),('1987-10-14','AL','160'),('1987-10-14','AL','160'),('1987-10-14','AL','165'),('1987-10-14','AL','171'),('1987-10-14','AL','171'),('1987-10-14','AL','176'),('1987-10-14','AL','176'),('1987-10-14','AL','179'),('1987-10-14','AL','215'),('1987-10-14','AL','231'),('1987-10-14','AL','263'),('1987-10-14','AL','263'),('1987-10-14','AL','268'),('1987-10-14','AL','268'),('1987-10-14','AL','268'),('1987-10-14','AL','281'),('1987-10-14','AL','281'),('1987-10-14','AL','287'),('1987-10-14','AL','287'),('1987-10-14','AL','309'),('1987-10-14','AL','309'),('1987-10-14','AL','341'),('1987-10-14','AL','344'),('1987-10-14','AL','344'),('1987-10-14','AL','357'),('1987-10-14','AL','357'),('1987-10-14','AL','368'),('1987-10-14','AL','381'),('1987-10-14','AL','396'),('1987-10-14','AL','397'),('1987-10-14','AL','397'),('1987-10-14','AL','416'),('1987-10-14','AL','416'),('1987-10-14','AL','417'),('1987-10-14','AL','438'),('1987-10-14','AL','438'),('1987-10-14','AL','446'),('1987-10-14','AL','451'),('1987-10-14','AL','451'),('1987-10-14','AL','491'),('1987-10-14','AL','491'),('1987-10-14','AL','523'),('1987-10-14','AL','523'),('1987-10-14','AL','523'),('1987-10-14','AL','525'),('1987-10-14','AL','525'),('1987-10-14','AL','533'),('1987-10-14','AL','533'),('1987-10-14','AL','546'),('1987-10-14','AL','546'),('1987-10-14','AL','556'),('1987-10-14','AL','556'),('1987-10-14','AL','601'),('1987-10-14','AL','601'),('1987-10-14','AL','627'),('1987-10-14','AL','629'),('1987-10-14','AL','670'),('1987-10-14','AL','670'),('1987-10-14','AL','670'),('1987-10-14','AL','673'),('1987-10-14','AL','680'),('1987-10-15','AA','2'),('1987-10-15','AA','2'),('1987-10-15','AA','2'),('1987-10-15','AA','7'),('1987-10-15','AA','7'),('1987-10-15','AA','26'),('1987-10-15','AA','34'),('1987-10-15','AA','36'),('1987-10-15','AA','91'),('1987-10-15','AA','101'),('1987-10-15','AA','101'),('1987-10-15','AA','109'),('1987-10-15','AA','109'),('1987-10-15','AA','112'),('1987-10-15','AA','123'),('1987-10-15','AA','123'),('1987-10-15','AA','160'),('1987-10-15','AA','165'),('1987-10-15','AA','165'),('1987-10-15','AA','165'),('1987-10-15','AA','176'),('1987-10-15','AA','176'),('1987-10-15','AA','176'),('1987-10-15','AA','176'),('1987-10-15','AA','179'),('1987-10-15','AA','179'),('1987-10-15','AA','215'),('1987-10-15','AA','215'),('1987-10-15','AA','231'),('1987-10-15','AA','263'),('1987-10-15','AA','263'),('1987-10-15','AA','268'),('1987-10-15','AA','268'),('1987-10-15','AA','281'),('1987-10-15','AA','287'),('1987-10-15','AA','287'),('1987-10-15','AA','309'),('1987-10-15','AA','309'),('1987-10-15','AA','309'),('1987-10-15','AA','341'),('1987-10-15','AA','344'),('1987-10-15','AA','344'),('1987-10-15','AA','347'),('1987-10-15','AA','347'),('1987-10-15','AA','368'),('1987-10-15','AA','381'),('1987-10-15','AA','381'),('1987-10-15','AA','396'),('1987-10-15','AA','396'),('1987-10-15','AA','397'),('1987-10-15','AA','397'),('1987-10-15','AA','417'),('1987-10-15','AA','417'),('1987-10-15','AA','446'),('1987-10-15','AA','451'),('1987-10-15','AA','451'),('1987-10-15','AA','460'),('1987-10-15','AA','460'),('1987-10-15','AA','491'),('1987-10-15','AA','504'),('1987-10-15','AA','504'),('1987-10-15','AA','519'),('1987-10-15','AA','519'),('1987-10-15','AA','523'),('1987-10-15','AA','523'),('1987-10-15','AA','525'),('1987-10-15','AA','525'),('1987-10-15','AA','525'),('1987-10-15','AA','533'),('1987-10-15','AA','533'),('1987-10-15','AA','533'),('1987-10-15','AA','546'),('1987-10-15','AA','546'),('1987-10-15','AA','546'),('1987-10-15','AA','546'),('1987-10-15','AA','556'),('1987-10-15','AA','556'),('1987-10-15','AA','556'),('1987-10-15','AA','597'),('1987-10-15','AA','597'),('1987-10-15','AA','597'),('1987-10-15','AA','601'),('1987-10-15','AA','601'),('1987-10-15','AA','629'),('1987-10-15','AA','629'),('1987-10-15','AA','670'),('1987-10-15','AA','673'),('1987-10-15','AA','673'),('1987-10-15','AA','680'),('1987-10-15','AA','680'),('1987-10-15','AA','817'),('1987-10-15','AA','817'),('1987-10-15','AA','824'),('1987-10-15','AA','824'),('1987-10-15','AA','824'),('1987-10-15','AA','824'),('1987-10-15','AA','832'),('1987-10-15','AA','832'),('1987-10-15','AA','852'),('1987-10-15','AA','866'),('1987-10-15','AA','866'),('1987-10-15','AA','871'),('1987-10-15','AA','871'),('1987-10-15','AA','880'),('1987-10-15','AA','880'),('1987-10-15','AA','880'),('1987-10-15','AA','883'),('1987-10-15','AA','883'),('1987-10-15','AA','885'),('1987-10-15','AA','885'),('1987-10-15','AA','885'),('1987-10-15','AA','890'),('1987-10-15','AA','890'),('1987-10-15','AA','893'),('1987-10-15','AA','893'),('1987-10-15','AA','905'),('1987-10-15','AA','905'),('1987-10-15','AA','915'),('1987-10-15','AA','929'),('1987-10-15','AA','929'),('1987-10-15','AA','936'),('1987-10-15','AA','936'),('1987-10-15','AA','937'),('1987-10-15','AA','955'),('1987-10-15','AA','955'),('1987-10-15','AA','966'),('1987-10-15','AA','1002'),('1987-10-15','AA','1002'),('1987-10-15','AA','1004'),('1987-10-15','AA','1004'),('1987-10-15','AA','1015'),('1987-10-15','AA','1015'),('1987-10-15','AA','1021'),('1987-10-15','AA','1021'),('1987-10-15','AA','1041'),('1987-10-15','AA','1041'),('1987-10-15','AA','1046'),('1987-10-15','AA','1046'),('1987-10-15','AA','1048'),('1987-10-15','AA','1048'),('1987-10-15','AA','1061'),('1987-10-15','AA','1061'),('1987-10-15','AA','1088'),('1987-10-15','AA','1088'),('1987-10-15','AA','2033'),('1987-10-15','AA','2033'),('1987-10-15','AA','2050'),('1987-10-15','AA','2058'),('1987-10-15','AA','2071'),('1987-10-15','AA','2071'),('1987-10-15','AA','2086'),('1987-10-15','AA','2105'),('1987-10-15','AA','2111'),('1987-10-15','AA','2123'),('1987-10-15','AA','2123'),('1987-10-15','AA','2147'),('1987-10-15','AA','2147'),('1987-10-15','AA','2199'),('1987-10-15','AA','2199'),('1987-10-15','AA','2207'),('1987-10-15','AA','2207'),('1987-10-15','AA','2217'),('1987-10-15','AA','2230'),('1987-10-15','AA','2245'),('1987-10-15','AA','2251'),('1987-10-15','AA','2251'),('1987-10-15','AA','2275'),('1987-10-15','AA','2278'),('1987-10-15','AA','2351'),('1987-10-15','AA','2357'),('1987-10-15','AA','2361'),('1987-10-15','AA','2490'),('1987-10-15','AA','2528'),('1987-10-15','AA','2528'),('1987-10-15','AA','2735'),('1987-10-15','AA','2735'),('1987-10-15','AA','2751'),('1987-10-15','AL','2'),('1987-10-15','AL','2'),('1987-10-15','AL','7'),('1987-10-15','AL','7'),('1987-10-15','AL','26'),('1987-10-15','AL','26'),('1987-10-15','AL','34'),('1987-10-15','AL','34'),('1987-10-15','AL','36'),('1987-10-15','AL','36'),('1987-10-15','AL','45'),('1987-10-15','AL','45'),('1987-10-15','AL','45'),('1987-10-15','AL','91'),('1987-10-15','AL','91'),('1987-10-15','AL','104'),('1987-10-15','AL','104'),('1987-10-15','AL','104'),('1987-10-15','AL','109'),('1987-10-15','AL','112'),('1987-10-15','AL','112'),('1987-10-15','AL','123'),('1987-10-15','AL','149'),('1987-10-15','AL','160'),('1987-10-15','AL','160'),('1987-10-15','AL','165'),('1987-10-15','AL','171'),('1987-10-15','AL','171'),('1987-10-15','AL','176'),('1987-10-15','AL','176'),('1987-10-15','AL','179'),('1987-10-15','AL','215'),('1987-10-15','AL','231'),('1987-10-15','AL','263'),('1987-10-15','AL','263'),('1987-10-15','AL','268'),('1987-10-15','AL','268'),('1987-10-15','AL','268'),('1987-10-15','AL','281'),('1987-10-15','AL','281'),('1987-10-15','AL','287'),('1987-10-15','AL','287'),('1987-10-15','AL','309'),('1987-10-15','AL','309'),('1987-10-15','AL','341'),('1987-10-15','AL','344'),('1987-10-15','AL','344'),('1987-10-15','AL','357'),('1987-10-15','AL','357'),('1987-10-15','AL','368'),('1987-10-15','AL','381'),('1987-10-15','AL','396'),('1987-10-15','AL','397'),('1987-10-15','AL','397'),('1987-10-15','AL','416'),('1987-10-15','AL','416'),('1987-10-15','AL','417'),('1987-10-15','AL','438'),('1987-10-15','AL','438'),('1987-10-15','AL','446'),('1987-10-15','AL','451'),('1987-10-15','AL','451'),('1987-10-15','AL','491'),('1987-10-15','AL','491'),('1987-10-15','AL','523'),('1987-10-15','AL','523'),('1987-10-15','AL','523'),('1987-10-15','AL','525'),('1987-10-15','AL','525'),('1987-10-15','AL','533'),('1987-10-15','AL','533'),('1987-10-15','AL','546'),('1987-10-15','AL','546'),('1987-10-15','AL','556'),('1987-10-15','AL','556'),('1987-10-15','AL','601'),('1987-10-15','AL','601'),('1987-10-15','AL','627'),('1987-10-15','AL','629'),('1987-10-15','AL','670'),('1987-10-15','AL','670'),('1987-10-15','AL','670'),('1987-10-15','AL','673'),('1987-10-15','AL','680'),('1987-10-16','AA','2'),('1987-10-16','AA','2'),('1987-10-16','AA','2'),('1987-10-16','AA','7'),('1987-10-16','AA','7'),('1987-10-16','AA','26'),('1987-10-16','AA','34'),('1987-10-16','AA','36'),('1987-10-16','AA','91'),('1987-10-16','AA','101'),('1987-10-16','AA','101'),('1987-10-16','AA','109'),('1987-10-16','AA','109'),('1987-10-16','AA','112'),('1987-10-16','AA','123'),('1987-10-16','AA','160'),('1987-10-16','AA','165'),('1987-10-16','AA','165'),('1987-10-16','AA','176'),('1987-10-16','AA','176'),('1987-10-16','AA','176'),('1987-10-16','AA','176'),('1987-10-16','AA','179'),('1987-10-16','AA','179'),('1987-10-16','AA','215'),('1987-10-16','AA','215'),('1987-10-16','AA','231'),('1987-10-16','AA','263'),('1987-10-16','AA','263'),('1987-10-16','AA','268'),('1987-10-16','AA','281'),('1987-10-16','AA','287'),('1987-10-16','AA','287'),('1987-10-16','AA','309'),('1987-10-16','AA','309'),('1987-10-16','AA','309'),('1987-10-16','AA','341'),('1987-10-16','AA','344'),('1987-10-16','AA','344'),('1987-10-16','AA','347'),('1987-10-16','AA','347'),('1987-10-16','AA','368'),('1987-10-16','AA','381'),('1987-10-16','AA','381'),('1987-10-16','AA','381'),('1987-10-16','AA','396'),('1987-10-16','AA','396'),('1987-10-16','AA','397'),('1987-10-16','AA','417'),('1987-10-16','AA','417'),('1987-10-16','AA','446'),('1987-10-16','AA','451'),('1987-10-16','AA','451'),('1987-10-16','AA','460'),('1987-10-16','AA','460'),('1987-10-16','AA','491'),('1987-10-16','AA','504'),('1987-10-16','AA','504'),('1987-10-16','AA','519'),('1987-10-16','AA','519'),('1987-10-16','AA','523'),('1987-10-16','AA','523'),('1987-10-16','AA','525'),('1987-10-16','AA','525'),('1987-10-16','AA','533'),('1987-10-16','AA','533'),('1987-10-16','AA','546'),('1987-10-16','AA','546'),('1987-10-16','AA','546'),('1987-10-16','AA','546'),('1987-10-16','AA','556'),('1987-10-16','AA','556'),('1987-10-16','AA','556'),('1987-10-16','AA','597'),('1987-10-16','AA','597'),('1987-10-16','AA','597'),('1987-10-16','AA','601'),('1987-10-16','AA','601'),('1987-10-16','AA','627'),('1987-10-16','AA','629'),('1987-10-16','AA','629'),('1987-10-16','AA','670'),('1987-10-16','AA','673'),('1987-10-16','AA','673'),('1987-10-16','AA','680'),('1987-10-16','AA','680'),('1987-10-16','AA','817'),('1987-10-16','AA','817'),('1987-10-16','AA','824'),('1987-10-16','AA','824'),('1987-10-16','AA','824'),('1987-10-16','AA','824'),('1987-10-16','AA','832'),('1987-10-16','AA','832'),('1987-10-16','AA','852'),('1987-10-16','AA','866'),('1987-10-16','AA','866'),('1987-10-16','AA','871'),('1987-10-16','AA','871'),('1987-10-16','AA','880'),('1987-10-16','AA','880'),('1987-10-16','AA','880'),('1987-10-16','AA','880'),('1987-10-16','AA','883'),('1987-10-16','AA','883'),('1987-10-16','AA','885'),('1987-10-16','AA','885'),('1987-10-16','AA','885'),('1987-10-16','AA','890'),('1987-10-16','AA','890'),('1987-10-16','AA','893'),('1987-10-16','AA','893'),('1987-10-16','AA','905'),('1987-10-16','AA','905'),('1987-10-16','AA','915'),('1987-10-16','AA','929'),('1987-10-16','AA','929'),('1987-10-16','AA','936'),('1987-10-16','AA','936'),('1987-10-16','AA','937'),('1987-10-16','AA','937'),('1987-10-16','AA','955'),('1987-10-16','AA','955'),('1987-10-16','AA','966'),('1987-10-16','AA','1002'),('1987-10-16','AA','1002'),('1987-10-16','AA','1004'),('1987-10-16','AA','1004'),('1987-10-16','AA','1015'),('1987-10-16','AA','1015'),('1987-10-16','AA','1021'),('1987-10-16','AA','1021'),('1987-10-16','AA','1041'),('1987-10-16','AA','1041'),('1987-10-16','AA','1046'),('1987-10-16','AA','1046'),('1987-10-16','AA','1048'),('1987-10-16','AA','1048'),('1987-10-16','AA','1061'),('1987-10-16','AA','1061'),('1987-10-16','AA','1088'),('1987-10-16','AA','1088'),('1987-10-16','AA','2033'),('1987-10-16','AA','2033'),('1987-10-16','AA','2050'),('1987-10-16','AA','2058'),('1987-10-16','AA','2071'),('1987-10-16','AA','2071'),('1987-10-16','AA','2086'),('1987-10-16','AA','2105'),('1987-10-16','AA','2111'),('1987-10-16','AA','2123'),('1987-10-16','AA','2123'),('1987-10-16','AA','2147'),('1987-10-16','AA','2147'),('1987-10-16','AA','2199'),('1987-10-16','AA','2199'),('1987-10-16','AA','2207'),('1987-10-16','AA','2207'),('1987-10-16','AA','2217'),('1987-10-16','AA','2230'),('1987-10-16','AA','2245'),('1987-10-16','AA','2251'),('1987-10-16','AA','2251'),('1987-10-16','AA','2275'),('1987-10-16','AA','2278'),('1987-10-16','AA','2351'),('1987-10-16','AA','2357'),('1987-10-16','AA','2361'),('1987-10-16','AA','2490'),('1987-10-16','AA','2528'),('1987-10-16','AA','2528'),('1987-10-16','AA','2735'),('1987-10-16','AA','2735'),('1987-10-16','AA','2751'),('1987-10-16','AL','2'),('1987-10-16','AL','2'),('1987-10-16','AL','7'),('1987-10-16','AL','7'),('1987-10-16','AL','26'),('1987-10-16','AL','26'),('1987-10-16','AL','34'),('1987-10-16','AL','36'),('1987-10-16','AL','36'),('1987-10-16','AL','45'),('1987-10-16','AL','45'),('1987-10-16','AL','45'),('1987-10-16','AL','91'),('1987-10-16','AL','91'),('1987-10-16','AL','104'),('1987-10-16','AL','104'),('1987-10-16','AL','109'),('1987-10-16','AL','112'),('1987-10-16','AL','112'),('1987-10-16','AL','123'),('1987-10-16','AL','149'),('1987-10-16','AL','160'),('1987-10-16','AL','160'),('1987-10-16','AL','165'),('1987-10-16','AL','171'),('1987-10-16','AL','171'),('1987-10-16','AL','176'),('1987-10-16','AL','176'),('1987-10-16','AL','179'),('1987-10-16','AL','215'),('1987-10-16','AL','231'),('1987-10-16','AL','263'),('1987-10-16','AL','263'),('1987-10-16','AL','268'),('1987-10-16','AL','268'),('1987-10-16','AL','268'),('1987-10-16','AL','281'),('1987-10-16','AL','281'),('1987-10-16','AL','287'),('1987-10-16','AL','287'),('1987-10-16','AL','309'),('1987-10-16','AL','309'),('1987-10-16','AL','341'),('1987-10-16','AL','344'),('1987-10-16','AL','344'),('1987-10-16','AL','357'),('1987-10-16','AL','357'),('1987-10-16','AL','368'),('1987-10-16','AL','381'),('1987-10-16','AL','396'),('1987-10-16','AL','397'),('1987-10-16','AL','397'),('1987-10-16','AL','416'),('1987-10-16','AL','416'),('1987-10-16','AL','417'),('1987-10-16','AL','438'),('1987-10-16','AL','438'),('1987-10-16','AL','446'),('1987-10-16','AL','451'),('1987-10-16','AL','451'),('1987-10-16','AL','491'),('1987-10-16','AL','491'),('1987-10-16','AL','523'),('1987-10-16','AL','523'),('1987-10-16','AL','523'),('1987-10-16','AL','525'),('1987-10-16','AL','525'),('1987-10-16','AL','533'),('1987-10-16','AL','533'),('1987-10-16','AL','546'),('1987-10-16','AL','546'),('1987-10-16','AL','556'),('1987-10-16','AL','556'),('1987-10-16','AL','601'),('1987-10-16','AL','601'),('1987-10-16','AL','627'),('1987-10-16','AL','629'),('1987-10-16','AL','670'),('1987-10-16','AL','670'),('1987-10-16','AL','670'),('1987-10-16','AL','673'),('1987-10-16','AL','680'),('1987-10-17','AA','2'),('1987-10-17','AA','2'),('1987-10-17','AA','2'),('1987-10-17','AA','7'),('1987-10-17','AA','7'),('1987-10-17','AA','26'),('1987-10-17','AA','36'),('1987-10-17','AA','91'),('1987-10-17','AA','101'),('1987-10-17','AA','101'),('1987-10-17','AA','109'),('1987-10-17','AA','109'),('1987-10-17','AA','112'),('1987-10-17','AA','123'),('1987-10-17','AA','123'),('1987-10-17','AA','160'),('1987-10-17','AA','165'),('1987-10-17','AA','165'),('1987-10-17','AA','165'),('1987-10-17','AA','176'),('1987-10-17','AA','176'),('1987-10-17','AA','176'),('1987-10-17','AA','176'),('1987-10-17','AA','179'),('1987-10-17','AA','179'),('1987-10-17','AA','215'),('1987-10-17','AA','215'),('1987-10-17','AA','231'),('1987-10-17','AA','231'),('1987-10-17','AA','263'),('1987-10-17','AA','263'),('1987-10-17','AA','268'),('1987-10-17','AA','268'),('1987-10-17','AA','281'),('1987-10-17','AA','287'),('1987-10-17','AA','287'),('1987-10-17','AA','309'),('1987-10-17','AA','309'),('1987-10-17','AA','309'),('1987-10-17','AA','341'),('1987-10-17','AA','344'),('1987-10-17','AA','344'),('1987-10-17','AA','347'),('1987-10-17','AA','347'),('1987-10-17','AA','368'),('1987-10-17','AA','381'),('1987-10-17','AA','381'),('1987-10-17','AA','381'),('1987-10-17','AA','396'),('1987-10-17','AA','396'),('1987-10-17','AA','397'),('1987-10-17','AA','417'),('1987-10-17','AA','446'),('1987-10-17','AA','451'),('1987-10-17','AA','451'),('1987-10-17','AA','460'),('1987-10-17','AA','460'),('1987-10-17','AA','491'),('1987-10-17','AA','491'),('1987-10-17','AA','504'),('1987-10-17','AA','504'),('1987-10-17','AA','519'),('1987-10-17','AA','519'),('1987-10-17','AA','523'),('1987-10-17','AA','523'),('1987-10-17','AA','525'),('1987-10-17','AA','525'),('1987-10-17','AA','525'),('1987-10-17','AA','533'),('1987-10-17','AA','533'),('1987-10-17','AA','546'),('1987-10-17','AA','546'),('1987-10-17','AA','546'),('1987-10-17','AA','546'),('1987-10-17','AA','556'),('1987-10-17','AA','556'),('1987-10-17','AA','556'),('1987-10-17','AA','597'),('1987-10-17','AA','597'),('1987-10-17','AA','597'),('1987-10-17','AA','601'),('1987-10-17','AA','627'),('1987-10-17','AA','629'),('1987-10-17','AA','629'),('1987-10-17','AA','670'),('1987-10-17','AA','673'),('1987-10-17','AA','673'),('1987-10-17','AA','680'),('1987-10-17','AA','680'),('1987-10-17','AA','817'),('1987-10-17','AA','817'),('1987-10-17','AA','824'),('1987-10-17','AA','824'),('1987-10-17','AA','824'),('1987-10-17','AA','824'),('1987-10-17','AA','832'),('1987-10-17','AA','832'),('1987-10-17','AA','852'),('1987-10-17','AA','852'),('1987-10-17','AA','866'),('1987-10-17','AA','866'),('1987-10-17','AA','871'),('1987-10-17','AA','871'),('1987-10-17','AA','880'),('1987-10-17','AA','880'),('1987-10-17','AA','880'),('1987-10-17','AA','880'),('1987-10-17','AA','883'),('1987-10-17','AA','883'),('1987-10-17','AA','885'),('1987-10-17','AA','885'),('1987-10-17','AA','885'),('1987-10-17','AA','890'),('1987-10-17','AA','890'),('1987-10-17','AA','893'),('1987-10-17','AA','893'),('1987-10-17','AA','905'),('1987-10-17','AA','905'),('1987-10-17','AA','915'),('1987-10-17','AA','929'),('1987-10-17','AA','936'),('1987-10-17','AA','936'),('1987-10-17','AA','937'),('1987-10-17','AA','937'),('1987-10-17','AA','955'),('1987-10-17','AA','955'),('1987-10-17','AA','966'),('1987-10-17','AA','1002'),('1987-10-17','AA','1002'),('1987-10-17','AA','1004'),('1987-10-17','AA','1004'),('1987-10-17','AA','1015'),('1987-10-17','AA','1015'),('1987-10-17','AA','1021'),('1987-10-17','AA','1021'),('1987-10-17','AA','1041'),('1987-10-17','AA','1041'),('1987-10-17','AA','1046'),('1987-10-17','AA','1046'),('1987-10-17','AA','1048'),('1987-10-17','AA','1048'),('1987-10-17','AA','1061'),('1987-10-17','AA','1061'),('1987-10-17','AA','1088'),('1987-10-17','AA','1088'),('1987-10-17','AA','2033'),('1987-10-17','AA','2033'),('1987-10-17','AA','2050'),('1987-10-17','AA','2058'),('1987-10-17','AA','2071'),('1987-10-17','AA','2086'),('1987-10-17','AA','2105'),('1987-10-17','AA','2111'),('1987-10-17','AA','2123'),('1987-10-17','AA','2123'),('1987-10-17','AA','2147'),('1987-10-17','AA','2147'),('1987-10-17','AA','2199'),('1987-10-17','AA','2199'),('1987-10-17','AA','2207'),('1987-10-17','AA','2207'),('1987-10-17','AA','2217'),('1987-10-17','AA','2230'),('1987-10-17','AA','2251'),('1987-10-17','AA','2251'),('1987-10-17','AA','2275'),('1987-10-17','AA','2278'),('1987-10-17','AA','2351'),('1987-10-17','AA','2357'),('1987-10-17','AA','2361'),('1987-10-17','AA','2490'),('1987-10-17','AA','2528'),('1987-10-17','AA','2528'),('1987-10-17','AA','2735'),('1987-10-17','AA','2735'),('1987-10-17','AL','2'),('1987-10-17','AL','2'),('1987-10-17','AL','7'),('1987-10-17','AL','7'),('1987-10-17','AL','26'),('1987-10-17','AL','26'),('1987-10-17','AL','34'),('1987-10-17','AL','36'),('1987-10-17','AL','36'),('1987-10-17','AL','45'),('1987-10-17','AL','45'),('1987-10-17','AL','45'),('1987-10-17','AL','91'),('1987-10-17','AL','91'),('1987-10-17','AL','104'),('1987-10-17','AL','104'),('1987-10-17','AL','109'),('1987-10-17','AL','112'),('1987-10-17','AL','112'),('1987-10-17','AL','149'),('1987-10-17','AL','160'),('1987-10-17','AL','160'),('1987-10-17','AL','165'),('1987-10-17','AL','171'),('1987-10-17','AL','171'),('1987-10-17','AL','176'),('1987-10-17','AL','176'),('1987-10-17','AL','179'),('1987-10-17','AL','215'),('1987-10-17','AL','231'),('1987-10-17','AL','263'),('1987-10-17','AL','268'),('1987-10-17','AL','268'),('1987-10-17','AL','268'),('1987-10-17','AL','287'),('1987-10-17','AL','287'),('1987-10-17','AL','309'),('1987-10-17','AL','309'),('1987-10-17','AL','344'),('1987-10-17','AL','344'),('1987-10-17','AL','357'),('1987-10-17','AL','357'),('1987-10-17','AL','381'),('1987-10-17','AL','396'),('1987-10-17','AL','397'),('1987-10-17','AL','397'),('1987-10-17','AL','397'),('1987-10-17','AL','416'),('1987-10-17','AL','417'),('1987-10-17','AL','438'),('1987-10-17','AL','438'),('1987-10-17','AL','451'),('1987-10-17','AL','451'),('1987-10-17','AL','491'),('1987-10-17','AL','491'),('1987-10-17','AL','523'),('1987-10-17','AL','523'),('1987-10-17','AL','525'),('1987-10-17','AL','525'),('1987-10-17','AL','533'),('1987-10-17','AL','546'),('1987-10-17','AL','546'),('1987-10-17','AL','556'),('1987-10-17','AL','556'),('1987-10-17','AL','601'),('1987-10-17','AL','601'),('1987-10-17','AL','627'),('1987-10-17','AL','670'),('1987-10-17','AL','673'),('1987-10-17','AL','680'),('1987-10-17','AL','936'),('1987-10-17','AL','966'),('1987-10-18','AA','2'),('1987-10-18','AA','2'),('1987-10-18','AA','2'),('1987-10-18','AA','7'),('1987-10-18','AA','7'),('1987-10-18','AA','26'),('1987-10-18','AA','34'),('1987-10-18','AA','36'),('1987-10-18','AA','91'),('1987-10-18','AA','101'),('1987-10-18','AA','101'),('1987-10-18','AA','109'),('1987-10-18','AA','109'),('1987-10-18','AA','112'),('1987-10-18','AA','123'),('1987-10-18','AA','123'),('1987-10-18','AA','160'),('1987-10-18','AA','165'),('1987-10-18','AA','165'),('1987-10-18','AA','165'),('1987-10-18','AA','176'),('1987-10-18','AA','176'),('1987-10-18','AA','176'),('1987-10-18','AA','176'),('1987-10-18','AA','179'),('1987-10-18','AA','179'),('1987-10-18','AA','215'),('1987-10-18','AA','231'),('1987-10-18','AA','231'),('1987-10-18','AA','263'),('1987-10-18','AA','268'),('1987-10-18','AA','268'),('1987-10-18','AA','281'),('1987-10-18','AA','287'),('1987-10-18','AA','287'),('1987-10-18','AA','309'),('1987-10-18','AA','309'),('1987-10-18','AA','309'),('1987-10-18','AA','341'),('1987-10-18','AA','344'),('1987-10-18','AA','344'),('1987-10-18','AA','347'),('1987-10-18','AA','347'),('1987-10-18','AA','368'),('1987-10-18','AA','381'),('1987-10-18','AA','381'),('1987-10-18','AA','381'),('1987-10-18','AA','396'),('1987-10-18','AA','396'),('1987-10-18','AA','397'),('1987-10-18','AA','397'),('1987-10-18','AA','417'),('1987-10-18','AA','417'),('1987-10-18','AA','451'),('1987-10-18','AA','451'),('1987-10-18','AA','460'),('1987-10-18','AA','491'),('1987-10-18','AA','491'),('1987-10-18','AA','504'),('1987-10-18','AA','504'),('1987-10-18','AA','519'),('1987-10-18','AA','519'),('1987-10-18','AA','523'),('1987-10-18','AA','523'),('1987-10-18','AA','525'),('1987-10-18','AA','525'),('1987-10-18','AA','525'),('1987-10-18','AA','533'),('1987-10-18','AA','533'),('1987-10-18','AA','546'),('1987-10-18','AA','546'),('1987-10-18','AA','546'),('1987-10-18','AA','546'),('1987-10-18','AA','556'),('1987-10-18','AA','556'),('1987-10-18','AA','556'),('1987-10-18','AA','597'),('1987-10-18','AA','597'),('1987-10-18','AA','597'),('1987-10-18','AA','601'),('1987-10-18','AA','601'),('1987-10-18','AA','629'),('1987-10-18','AA','629'),('1987-10-18','AA','670'),('1987-10-18','AA','673'),('1987-10-18','AA','680'),('1987-10-18','AA','680'),('1987-10-18','AA','817'),('1987-10-18','AA','817'),('1987-10-18','AA','824'),('1987-10-18','AA','824'),('1987-10-18','AA','824'),('1987-10-18','AA','824'),('1987-10-18','AA','832'),('1987-10-18','AA','832'),('1987-10-18','AA','852'),('1987-10-18','AA','866'),('1987-10-18','AA','866'),('1987-10-18','AA','871'),('1987-10-18','AA','871'),('1987-10-18','AA','880'),('1987-10-18','AA','880'),('1987-10-18','AA','880'),('1987-10-18','AA','880'),('1987-10-18','AA','883'),('1987-10-18','AA','883'),('1987-10-18','AA','885'),('1987-10-18','AA','885'),('1987-10-18','AA','885'),('1987-10-18','AA','890'),('1987-10-18','AA','890'),('1987-10-18','AA','893'),('1987-10-18','AA','893'),('1987-10-18','AA','905'),('1987-10-18','AA','905'),('1987-10-18','AA','915'),('1987-10-18','AA','929'),('1987-10-18','AA','929'),('1987-10-18','AA','936'),('1987-10-18','AA','936'),('1987-10-18','AA','937'),('1987-10-18','AA','937'),('1987-10-18','AA','955'),('1987-10-18','AA','966'),('1987-10-18','AA','1002'),('1987-10-18','AA','1002'),('1987-10-18','AA','1004'),('1987-10-18','AA','1004'),('1987-10-18','AA','1015'),('1987-10-18','AA','1015'),('1987-10-18','AA','1021'),('1987-10-18','AA','1021'),('1987-10-18','AA','1041'),('1987-10-18','AA','1041'),('1987-10-18','AA','1046'),('1987-10-18','AA','1046'),('1987-10-18','AA','1048'),('1987-10-18','AA','1048'),('1987-10-18','AA','1061'),('1987-10-18','AA','1061'),('1987-10-18','AA','1088'),('1987-10-18','AA','1088'),('1987-10-18','AA','2033'),('1987-10-18','AA','2033'),('1987-10-18','AA','2050'),('1987-10-18','AA','2058'),('1987-10-18','AA','2071'),('1987-10-18','AA','2071'),('1987-10-18','AA','2086'),('1987-10-18','AA','2111'),('1987-10-18','AA','2123'),('1987-10-18','AA','2147'),('1987-10-18','AA','2147'),('1987-10-18','AA','2199'),('1987-10-18','AA','2199'),('1987-10-18','AA','2207'),('1987-10-18','AA','2207'),('1987-10-18','AA','2230'),('1987-10-18','AA','2245'),('1987-10-18','AA','2251'),('1987-10-18','AA','2251'),('1987-10-18','AA','2275'),('1987-10-18','AA','2278'),('1987-10-18','AA','2351'),('1987-10-18','AA','2357'),('1987-10-18','AA','2361'),('1987-10-18','AA','2490'),('1987-10-18','AA','2528'),('1987-10-18','AA','2528'),('1987-10-18','AA','2735'),('1987-10-18','AA','2735'),('1987-10-18','AA','2751'),('1987-10-18','AL','2'),('1987-10-18','AL','2'),('1987-10-18','AL','7'),('1987-10-18','AL','7'),('1987-10-18','AL','26'),('1987-10-18','AL','26'),('1987-10-18','AL','34'),('1987-10-18','AL','34'),('1987-10-18','AL','36'),('1987-10-18','AL','36'),('1987-10-18','AL','45'),('1987-10-18','AL','45'),('1987-10-18','AL','45'),('1987-10-18','AL','91'),('1987-10-18','AL','91'),('1987-10-18','AL','104'),('1987-10-18','AL','104'),('1987-10-18','AL','104'),('1987-10-18','AL','112'),('1987-10-18','AL','123'),('1987-10-18','AL','160'),('1987-10-18','AL','160'),('1987-10-18','AL','165'),('1987-10-18','AL','171'),('1987-10-18','AL','171'),('1987-10-18','AL','176'),('1987-10-18','AL','176'),('1987-10-18','AL','179'),('1987-10-18','AL','215'),('1987-10-18','AL','231'),('1987-10-18','AL','263'),('1987-10-18','AL','263'),('1987-10-18','AL','281'),('1987-10-18','AL','281'),('1987-10-18','AL','309'),('1987-10-18','AL','309'),('1987-10-18','AL','341'),('1987-10-18','AL','344'),('1987-10-18','AL','344'),('1987-10-18','AL','357'),('1987-10-18','AL','357'),('1987-10-18','AL','368'),('1987-10-18','AL','396'),('1987-10-18','AL','416'),('1987-10-18','AL','416'),('1987-10-18','AL','417'),('1987-10-18','AL','438'),('1987-10-18','AL','438'),('1987-10-18','AL','446'),('1987-10-18','AL','451'),('1987-10-18','AL','491'),('1987-10-18','AL','523'),('1987-10-18','AL','523'),('1987-10-18','AL','523'),('1987-10-18','AL','525'),('1987-10-18','AL','525'),('1987-10-18','AL','533'),('1987-10-18','AL','533'),('1987-10-18','AL','546'),('1987-10-18','AL','546'),('1987-10-18','AL','556'),('1987-10-18','AL','601'),('1987-10-18','AL','601'),('1987-10-18','AL','627'),('1987-10-18','AL','629'),('1987-10-18','AL','670'),('1987-10-18','AL','670'),('1987-10-18','AL','670'),('1987-10-18','AL','673'),('1987-10-18','AL','680'),('1987-10-18','AL','937'),('1987-10-18','AL','937'),('1987-10-18','AL','955'),('1987-10-19','AA','2'),('1987-10-19','AA','2'),('1987-10-19','AA','2'),('1987-10-19','AA','7'),('1987-10-19','AA','7'),('1987-10-19','AA','26'),('1987-10-19','AA','34'),('1987-10-19','AA','36'),('1987-10-19','AA','91'),('1987-10-19','AA','101'),('1987-10-19','AA','101'),('1987-10-19','AA','109'),('1987-10-19','AA','109'),('1987-10-19','AA','112'),('1987-10-19','AA','123'),('1987-10-19','AA','123'),('1987-10-19','AA','160'),('1987-10-19','AA','165'),('1987-10-19','AA','165'),('1987-10-19','AA','165'),('1987-10-19','AA','176'),('1987-10-19','AA','176'),('1987-10-19','AA','176'),('1987-10-19','AA','176'),('1987-10-19','AA','179'),('1987-10-19','AA','179'),('1987-10-19','AA','215'),('1987-10-19','AA','215'),('1987-10-19','AA','231'),('1987-10-19','AA','231'),('1987-10-19','AA','263'),('1987-10-19','AA','263'),('1987-10-19','AA','268'),('1987-10-19','AA','268'),('1987-10-19','AA','281'),('1987-10-19','AA','287'),('1987-10-19','AA','287'),('1987-10-19','AA','309'),('1987-10-19','AA','309'),('1987-10-19','AA','341'),('1987-10-19','AA','344'),('1987-10-19','AA','344'),('1987-10-19','AA','347'),('1987-10-19','AA','347'),('1987-10-19','AA','368'),('1987-10-19','AA','381'),('1987-10-19','AA','381'),('1987-10-19','AA','381'),('1987-10-19','AA','396'),('1987-10-19','AA','396'),('1987-10-19','AA','397'),('1987-10-19','AA','397'),('1987-10-19','AA','417'),('1987-10-19','AA','417'),('1987-10-19','AA','446'),('1987-10-19','AA','451'),('1987-10-19','AA','451'),('1987-10-19','AA','491'),('1987-10-19','AA','504'),('1987-10-19','AA','504'),('1987-10-19','AA','519'),('1987-10-19','AA','519'),('1987-10-19','AA','523'),('1987-10-19','AA','523'),('1987-10-19','AA','525'),('1987-10-19','AA','525'),('1987-10-19','AA','525'),('1987-10-19','AA','533'),('1987-10-19','AA','533'),('1987-10-19','AA','546'),('1987-10-19','AA','546'),('1987-10-19','AA','546'),('1987-10-19','AA','546'),('1987-10-19','AA','556'),('1987-10-19','AA','556'),('1987-10-19','AA','556'),('1987-10-19','AA','597'),('1987-10-19','AA','597'),('1987-10-19','AA','597'),('1987-10-19','AA','601'),('1987-10-19','AA','601'),('1987-10-19','AA','627'),('1987-10-19','AA','629'),('1987-10-19','AA','629'),('1987-10-19','AA','670'),('1987-10-19','AA','673'),('1987-10-19','AA','673'),('1987-10-19','AA','680'),('1987-10-19','AA','680'),('1987-10-19','AA','817'),('1987-10-19','AA','817'),('1987-10-19','AA','824'),('1987-10-19','AA','824'),('1987-10-19','AA','824'),('1987-10-19','AA','832'),('1987-10-19','AA','832'),('1987-10-19','AA','852'),('1987-10-19','AA','852'),('1987-10-19','AA','866'),('1987-10-19','AA','866'),('1987-10-19','AA','871'),('1987-10-19','AA','871'),('1987-10-19','AA','880'),('1987-10-19','AA','880'),('1987-10-19','AA','880'),('1987-10-19','AA','880'),('1987-10-19','AA','883'),('1987-10-19','AA','883'),('1987-10-19','AA','885'),('1987-10-19','AA','885'),('1987-10-19','AA','890'),('1987-10-19','AA','890'),('1987-10-19','AA','893'),('1987-10-19','AA','893'),('1987-10-19','AA','905'),('1987-10-19','AA','905'),('1987-10-19','AA','915'),('1987-10-19','AA','929'),('1987-10-19','AA','929'),('1987-10-19','AA','936'),('1987-10-19','AA','936'),('1987-10-19','AA','937'),('1987-10-19','AA','955'),('1987-10-19','AA','955'),('1987-10-19','AA','966'),('1987-10-19','AA','1002'),('1987-10-19','AA','1002'),('1987-10-19','AA','1004'),('1987-10-19','AA','1004'),('1987-10-19','AA','1015'),('1987-10-19','AA','1015'),('1987-10-19','AA','1021'),('1987-10-19','AA','1021'),('1987-10-19','AA','1041'),('1987-10-19','AA','1041'),('1987-10-19','AA','1046'),('1987-10-19','AA','1046'),('1987-10-19','AA','1048'),('1987-10-19','AA','1048'),('1987-10-19','AA','1061'),('1987-10-19','AA','1061'),('1987-10-19','AA','1088'),('1987-10-19','AA','1088'),('1987-10-19','AA','2033'),('1987-10-19','AA','2033'),('1987-10-19','AA','2050'),('1987-10-19','AA','2058'),('1987-10-19','AA','2071'),('1987-10-19','AA','2071'),('1987-10-19','AA','2086'),('1987-10-19','AA','2105'),('1987-10-19','AA','2111'),('1987-10-19','AA','2123'),('1987-10-19','AA','2123'),('1987-10-19','AA','2147'),('1987-10-19','AA','2147'),('1987-10-19','AA','2199'),('1987-10-19','AA','2199'),('1987-10-19','AA','2207'),('1987-10-19','AA','2207'),('1987-10-19','AA','2217'),('1987-10-19','AA','2230'),('1987-10-19','AA','2245'),('1987-10-19','AA','2251'),('1987-10-19','AA','2251'),('1987-10-19','AA','2275'),('1987-10-19','AA','2278'),('1987-10-19','AA','2357'),('1987-10-19','AA','2361'),('1987-10-19','AA','2490'),('1987-10-19','AA','2528'),('1987-10-19','AA','2735'),('1987-10-19','AA','2735'),('1987-10-19','AA','2751'),('1987-10-19','AL','2'),('1987-10-19','AL','2'),('1987-10-19','AL','7'),('1987-10-19','AL','7'),('1987-10-19','AL','26'),('1987-10-19','AL','26'),('1987-10-19','AL','34'),('1987-10-19','AL','34'),('1987-10-19','AL','36'),('1987-10-19','AL','36'),('1987-10-19','AL','45'),('1987-10-19','AL','45'),('1987-10-19','AL','45'),('1987-10-19','AL','91'),('1987-10-19','AL','91'),('1987-10-19','AL','104'),('1987-10-19','AL','104'),('1987-10-19','AL','104'),('1987-10-19','AL','109'),('1987-10-19','AL','112'),('1987-10-19','AL','112'),('1987-10-19','AL','123'),('1987-10-19','AL','149'),('1987-10-19','AL','160'),('1987-10-19','AL','160'),('1987-10-19','AL','165'),('1987-10-19','AL','171'),('1987-10-19','AL','171'),('1987-10-19','AL','176'),('1987-10-19','AL','176'),('1987-10-19','AL','179'),('1987-10-19','AL','215'),('1987-10-19','AL','231'),('1987-10-19','AL','263'),('1987-10-19','AL','263'),('1987-10-19','AL','268'),('1987-10-19','AL','268'),('1987-10-19','AL','268'),('1987-10-19','AL','281'),('1987-10-19','AL','281'),('1987-10-19','AL','287'),('1987-10-19','AL','287'),('1987-10-19','AL','309'),('1987-10-19','AL','309'),('1987-10-19','AL','341'),('1987-10-19','AL','344'),('1987-10-19','AL','344'),('1987-10-19','AL','357'),('1987-10-19','AL','357'),('1987-10-19','AL','368'),('1987-10-19','AL','381'),('1987-10-19','AL','396'),('1987-10-19','AL','416'),('1987-10-19','AL','416'),('1987-10-19','AL','417'),('1987-10-19','AL','438'),('1987-10-19','AL','438'),('1987-10-19','AL','446'),('1987-10-19','AL','451'),('1987-10-19','AL','451'),('1987-10-19','AL','491'),('1987-10-19','AL','491'),('1987-10-19','AL','523'),('1987-10-19','AL','523'),('1987-10-19','AL','523'),('1987-10-19','AL','525'),('1987-10-19','AL','525'),('1987-10-19','AL','533'),('1987-10-19','AL','533'),('1987-10-19','AL','546'),('1987-10-19','AL','546'),('1987-10-19','AL','556'),('1987-10-19','AL','556'),('1987-10-19','AL','601'),('1987-10-19','AL','601'),('1987-10-19','AL','627'),('1987-10-19','AL','629'),('1987-10-19','AL','670'),('1987-10-19','AL','670'),('1987-10-19','AL','670'),('1987-10-20','AA','2'),('1987-10-20','AA','2'),('1987-10-20','AA','2'),('1987-10-20','AA','7'),('1987-10-20','AA','7'),('1987-10-20','AA','34'),('1987-10-20','AA','36'),('1987-10-20','AA','91'),('1987-10-20','AA','101'),('1987-10-20','AA','101'),('1987-10-20','AA','109'),('1987-10-20','AA','109'),('1987-10-20','AA','112'),('1987-10-20','AA','123'),('1987-10-20','AA','123'),('1987-10-20','AA','160'),('1987-10-20','AA','165'),('1987-10-20','AA','165'),('1987-10-20','AA','165'),('1987-10-20','AA','176'),('1987-10-20','AA','176'),('1987-10-20','AA','176'),('1987-10-20','AA','176'),('1987-10-20','AA','179'),('1987-10-20','AA','179'),('1987-10-20','AA','215'),('1987-10-20','AA','215'),('1987-10-20','AA','231'),('1987-10-20','AA','231'),('1987-10-20','AA','263'),('1987-10-20','AA','263'),('1987-10-20','AA','268'),('1987-10-20','AA','268'),('1987-10-20','AA','281'),('1987-10-20','AA','287'),('1987-10-20','AA','287'),('1987-10-20','AA','309'),('1987-10-20','AA','309'),('1987-10-20','AA','309'),('1987-10-20','AA','341'),('1987-10-20','AA','344'),('1987-10-20','AA','344'),('1987-10-20','AA','347'),('1987-10-20','AA','347'),('1987-10-20','AA','368'),('1987-10-20','AA','381'),('1987-10-20','AA','381'),('1987-10-20','AA','381'),('1987-10-20','AA','396'),('1987-10-20','AA','396'),('1987-10-20','AA','397'),('1987-10-20','AA','397'),('1987-10-20','AA','417'),('1987-10-20','AA','417'),('1987-10-20','AA','446'),('1987-10-20','AA','460'),('1987-10-20','AA','460'),('1987-10-20','AA','491'),('1987-10-20','AA','504'),('1987-10-20','AA','504'),('1987-10-20','AA','519'),('1987-10-20','AA','519'),('1987-10-20','AA','523'),('1987-10-20','AA','525'),('1987-10-20','AA','525'),('1987-10-20','AA','525'),('1987-10-20','AA','533'),('1987-10-20','AA','533'),('1987-10-20','AA','533'),('1987-10-20','AA','546'),('1987-10-20','AA','546'),('1987-10-20','AA','546'),('1987-10-20','AA','546'),('1987-10-20','AA','556'),('1987-10-20','AA','556'),('1987-10-20','AA','597'),('1987-10-20','AA','597'),('1987-10-20','AA','601'),('1987-10-20','AA','601'),('1987-10-20','AA','629'),('1987-10-20','AA','670'),('1987-10-20','AA','673'),('1987-10-20','AA','673'),('1987-10-20','AA','680'),('1987-10-20','AA','680'),('1987-10-20','AA','817'),('1987-10-20','AA','824'),('1987-10-20','AA','824'),('1987-10-20','AA','824'),('1987-10-20','AA','832'),('1987-10-20','AA','832'),('1987-10-20','AA','852'),('1987-10-20','AA','852'),('1987-10-20','AA','866'),('1987-10-20','AA','866'),('1987-10-20','AA','871'),('1987-10-20','AA','871'),('1987-10-20','AA','880'),('1987-10-20','AA','880'),('1987-10-20','AA','880'),('1987-10-20','AA','880'),('1987-10-20','AA','883'),('1987-10-20','AA','883'),('1987-10-20','AA','885'),('1987-10-20','AA','885'),('1987-10-20','AA','885'),('1987-10-20','AA','890'),('1987-10-20','AA','890'),('1987-10-20','AA','893'),('1987-10-20','AA','893'),('1987-10-20','AA','905'),('1987-10-20','AA','905'),('1987-10-20','AA','915'),('1987-10-20','AA','929'),('1987-10-20','AA','929'),('1987-10-20','AA','936'),('1987-10-20','AA','937'),('1987-10-20','AA','937'),('1987-10-20','AA','955'),('1987-10-20','AA','955'),('1987-10-20','AA','966'),('1987-10-20','AA','1002'),('1987-10-20','AA','1002'),('1987-10-20','AA','1004'),('1987-10-20','AA','1004'),('1987-10-20','AA','1015'),('1987-10-20','AA','1015'),('1987-10-20','AA','1021'),('1987-10-20','AA','1021'),('1987-10-20','AA','1041'),('1987-10-20','AA','1041'),('1987-10-20','AA','1046'),('1987-10-20','AA','1046'),('1987-10-20','AA','1048'),('1987-10-20','AA','1048'),('1987-10-20','AA','1061'),('1987-10-20','AA','1061'),('1987-10-20','AA','1088'),('1987-10-20','AA','1088'),('1987-10-20','AA','2033'),('1987-10-20','AA','2033'),('1987-10-20','AA','2050'),('1987-10-20','AA','2058'),('1987-10-20','AA','2071'),('1987-10-20','AA','2071'),('1987-10-20','AA','2086'),('1987-10-20','AA','2105'),('1987-10-20','AA','2111'),('1987-10-20','AA','2123'),('1987-10-20','AA','2123'),('1987-10-20','AA','2147'),('1987-10-20','AA','2199'),('1987-10-20','AA','2207'),('1987-10-20','AA','2217'),('1987-10-20','AA','2230'),('1987-10-20','AA','2245'),('1987-10-20','AA','2251'),('1987-10-20','AA','2251'),('1987-10-20','AA','2275'),('1987-10-20','AA','2278'),('1987-10-20','AA','2351'),('1987-10-20','AA','2357'),('1987-10-20','AA','2361'),('1987-10-20','AA','2490'),('1987-10-20','AA','2528'),('1987-10-20','AA','2528'),('1987-10-20','AA','2735'),('1987-10-20','AA','2735'),('1987-10-20','AA','2751'),('1987-10-20','AL','2'),('1987-10-20','AL','2'),('1987-10-20','AL','7'),('1987-10-20','AL','7'),('1987-10-20','AL','26'),('1987-10-20','AL','26'),('1987-10-20','AL','34'),('1987-10-20','AL','34'),('1987-10-20','AL','36'),('1987-10-20','AL','36'),('1987-10-20','AL','45'),('1987-10-20','AL','45'),('1987-10-20','AL','45'),('1987-10-20','AL','104'),('1987-10-20','AL','104'),('1987-10-20','AL','104'),('1987-10-20','AL','109'),('1987-10-20','AL','112'),('1987-10-20','AL','112'),('1987-10-20','AL','123'),('1987-10-20','AL','149'),('1987-10-20','AL','160'),('1987-10-20','AL','160'),('1987-10-20','AL','165'),('1987-10-20','AL','171'),('1987-10-20','AL','171'),('1987-10-20','AL','176'),('1987-10-20','AL','176'),('1987-10-20','AL','179'),('1987-10-20','AL','215'),('1987-10-20','AL','231'),('1987-10-20','AL','263'),('1987-10-20','AL','263'),('1987-10-20','AL','268'),('1987-10-20','AL','268'),('1987-10-20','AL','268'),('1987-10-20','AL','281'),('1987-10-20','AL','281'),('1987-10-20','AL','287'),('1987-10-20','AL','287'),('1987-10-20','AL','309'),('1987-10-20','AL','309'),('1987-10-20','AL','341'),('1987-10-20','AL','344'),('1987-10-20','AL','344'),('1987-10-20','AL','357'),('1987-10-20','AL','357'),('1987-10-20','AL','368'),('1987-10-20','AL','381'),('1987-10-20','AL','396'),('1987-10-20','AL','397'),('1987-10-20','AL','397'),('1987-10-20','AL','416'),('1987-10-20','AL','416'),('1987-10-20','AL','417'),('1987-10-20','AL','438'),('1987-10-20','AL','438'),('1987-10-20','AL','446'),('1987-10-20','AL','451'),('1987-10-20','AL','451'),('1987-10-20','AL','491'),('1987-10-20','AL','491'),('1987-10-20','AL','523'),('1987-10-20','AL','523'),('1987-10-20','AL','523'),('1987-10-20','AL','525'),('1987-10-20','AL','525'),('1987-10-20','AL','533'),('1987-10-20','AL','533'),('1987-10-20','AL','546'),('1987-10-20','AL','546'),('1987-10-20','AL','556'),('1987-10-20','AL','556'),('1987-10-20','AL','601'),('1987-10-20','AL','601'),('1987-10-20','AL','627'),('1987-10-20','AL','629'),('1987-10-20','AL','670'),('1987-10-20','AL','670'),('1987-10-20','AL','670'),('1987-10-20','AL','673'),('1987-10-20','AL','680'),('1987-10-05','AA','2'),('1987-10-05','AA','2'),('1987-10-05','AA','2'),('1987-10-05','AA','7'),('1987-10-05','AA','7'),('1987-10-05','AA','26'),('1987-10-05','AA','34'),('1987-10-05','AA','36'),('1987-10-05','AA','91'),('1987-10-05','AA','101'),('1987-10-05','AA','101'),('1987-10-05','AA','109'),('1987-10-05','AA','109'),('1987-10-05','AA','112'),('1987-10-05','AA','123'),('1987-10-05','AA','123'),('1987-10-05','AA','165'),('1987-10-05','AA','165'),('1987-10-05','AA','165'),('1987-10-05','AA','176'),('1987-10-05','AA','176'),('1987-10-05','AA','176'),('1987-10-05','AA','176'),('1987-10-05','AA','179'),('1987-10-05','AA','179'),('1987-10-05','AA','215'),('1987-10-05','AA','215'),('1987-10-05','AA','231'),('1987-10-05','AA','263'),('1987-10-05','AA','263'),('1987-10-05','AA','281'),('1987-10-05','AA','287'),('1987-10-05','AA','287'),('1987-10-05','AA','309'),('1987-10-05','AA','309'),('1987-10-05','AA','309'),('1987-10-05','AA','341'),('1987-10-05','AA','347'),('1987-10-05','AA','347'),('1987-10-05','AA','368'),('1987-10-05','AA','381'),('1987-10-05','AA','381'),('1987-10-05','AA','381'),('1987-10-05','AA','396'),('1987-10-05','AA','396'),('1987-10-05','AA','397'),('1987-10-05','AA','397'),('1987-10-05','AA','417'),('1987-10-05','AA','417'),('1987-10-05','AA','446'),('1987-10-05','AA','451'),('1987-10-05','AA','451'),('1987-10-05','AA','460'),('1987-10-05','AA','460'),('1987-10-05','AA','491'),('1987-10-05','AA','504'),('1987-10-05','AA','504'),('1987-10-05','AA','519'),('1987-10-05','AA','519'),('1987-10-05','AA','523'),('1987-10-05','AA','523'),('1987-10-05','AA','525'),('1987-10-05','AA','525'),('1987-10-05','AA','525'),('1987-10-05','AA','533'),('1987-10-05','AA','533'),('1987-10-05','AA','533'),('1987-10-05','AA','546'),('1987-10-05','AA','546'),('1987-10-05','AA','546'),('1987-10-05','AA','546'),('1987-10-05','AA','556'),('1987-10-05','AA','556'),('1987-10-05','AA','556'),('1987-10-05','AA','597'),('1987-10-05','AA','597'),('1987-10-05','AA','597'),('1987-10-05','AA','601'),('1987-10-05','AA','601'),('1987-10-05','AA','627'),('1987-10-05','AA','629'),('1987-10-05','AA','629'),('1987-10-05','AA','670'),('1987-10-05','AA','673'),('1987-10-05','AA','673'),('1987-10-05','AA','680'),('1987-10-05','AA','680'),('1987-10-05','AA','817'),('1987-10-05','AA','817'),('1987-10-05','AA','824'),('1987-10-05','AA','824'),('1987-10-05','AA','824'),('1987-10-05','AA','824'),('1987-10-05','AA','832'),('1987-10-05','AA','832'),('1987-10-05','AA','852'),('1987-10-05','AA','852'),('1987-10-05','AA','866'),('1987-10-05','AA','866'),('1987-10-05','AA','871'),('1987-10-05','AA','871'),('1987-10-05','AA','880'),('1987-10-05','AA','880'),('1987-10-05','AA','880'),('1987-10-05','AA','880'),('1987-10-05','AA','883'),('1987-10-05','AA','883'),('1987-10-05','AA','885'),('1987-10-05','AA','885'),('1987-10-05','AA','885'),('1987-10-05','AA','890'),('1987-10-05','AA','890'),('1987-10-05','AA','893'),('1987-10-05','AA','893'),('1987-10-05','AA','905'),('1987-10-05','AA','905'),('1987-10-05','AA','915'),('1987-10-05','AA','929'),('1987-10-05','AA','929'),('1987-10-05','AA','936'),('1987-10-05','AA','936'),('1987-10-05','AA','937'),('1987-10-05','AA','937'),('1987-10-05','AA','955'),('1987-10-05','AA','955'),('1987-10-05','AA','966'),('1987-10-05','AA','1002'),('1987-10-05','AA','1002'),('1987-10-05','AA','1004'),('1987-10-05','AA','1004'),('1987-10-05','AA','1015'),('1987-10-05','AA','1015'),('1987-10-05','AA','1021'),('1987-10-05','AA','1021'),('1987-10-05','AA','1041'),('1987-10-05','AA','1041'),('1987-10-05','AA','1046'),('1987-10-05','AA','1046'),('1987-10-05','AA','1048'),('1987-10-05','AA','1048'),('1987-10-05','AA','1061'),('1987-10-05','AA','1061'),('1987-10-05','AA','1088'),('1987-10-05','AA','1088'),('1987-10-05','AA','2033'),('1987-10-05','AA','2033'),('1987-10-05','AA','2050'),('1987-10-05','AA','2058'),('1987-10-05','AA','2071'),('1987-10-05','AA','2071'),('1987-10-05','AA','2086'),('1987-10-05','AA','2105'),('1987-10-05','AA','2111'),('1987-10-05','AA','2123'),('1987-10-05','AA','2123'),('1987-10-05','AA','2147'),('1987-10-05','AA','2147'),('1987-10-05','AA','2199'),('1987-10-05','AA','2199'),('1987-10-05','AA','2207'),('1987-10-05','AA','2207'),('1987-10-05','AA','2217'),('1987-10-05','AA','2230'),('1987-10-05','AA','2245'),('1987-10-05','AA','2251'),('1987-10-05','AA','2251'),('1987-10-05','AA','2275'),('1987-10-05','AA','2278'),('1987-10-05','AA','2351'),('1987-10-05','AA','2357'),('1987-10-05','AA','2361'),('1987-10-05','AA','2528'),('1987-10-05','AA','2528'),('1987-10-05','AA','2735'),('1987-10-05','AA','2735'),('1987-10-05','AA','2751'),('1987-10-05','AL','2'),('1987-10-05','AL','2'),('1987-10-05','AL','7'),('1987-10-05','AL','7'),('1987-10-05','AL','26'),('1987-10-05','AL','26'),('1987-10-05','AL','36'),('1987-10-05','AL','36'),('1987-10-05','AL','45'),('1987-10-05','AL','45'),('1987-10-05','AL','45'),('1987-10-05','AL','91'),('1987-10-05','AL','91'),('1987-10-05','AL','104'),('1987-10-05','AL','104'),('1987-10-05','AL','104'),('1987-10-05','AL','109'),('1987-10-05','AL','112'),('1987-10-05','AL','112'),('1987-10-05','AL','123'),('1987-10-05','AL','149'),('1987-10-05','AL','160'),('1987-10-05','AL','160'),('1987-10-05','AL','165'),('1987-10-05','AL','171'),('1987-10-05','AL','171'),('1987-10-05','AL','176'),('1987-10-05','AL','176'),('1987-10-05','AL','179'),('1987-10-05','AL','215'),('1987-10-05','AL','231'),('1987-10-05','AL','263'),('1987-10-05','AL','263'),('1987-10-05','AL','268'),('1987-10-05','AL','268'),('1987-10-05','AL','268'),('1987-10-05','AL','281'),('1987-10-05','AL','281'),('1987-10-05','AL','287'),('1987-10-05','AL','287'),('1987-10-05','AL','309'),('1987-10-05','AL','309'),('1987-10-05','AL','341'),('1987-10-05','AL','344'),('1987-10-05','AL','344'),('1987-10-05','AL','357'),('1987-10-05','AL','357'),('1987-10-05','AL','368'),('1987-10-05','AL','381'),('1987-10-05','AL','396'),('1987-10-05','AL','397'),('1987-10-05','AL','397'),('1987-10-05','AL','416'),('1987-10-05','AL','416'),('1987-10-05','AL','417'),('1987-10-05','AL','438'),('1987-10-05','AL','438'),('1987-10-05','AL','446'),('1987-10-05','AL','451'),('1987-10-05','AL','451'),('1987-10-05','AL','491'),('1987-10-05','AL','491'),('1987-10-05','AL','523'),('1987-10-05','AL','523'),('1987-10-05','AL','523'),('1987-10-05','AL','525'),('1987-10-05','AL','525'),('1987-10-05','AL','533'),('1987-10-05','AL','533'),('1987-10-05','AL','546'),('1987-10-05','AL','546'),('1987-10-05','AL','601'),('1987-10-05','AL','601'),('1987-10-05','AL','627'),('1987-10-05','AL','629'),('1987-10-05','AL','670'),('1987-10-05','AL','670'),('1987-10-05','AL','670'),('1987-10-05','AL','673'),('1987-10-05','AL','680'),('1987-10-06','AA','2'),('1987-10-06','AA','2'),('1987-10-06','AA','7'),('1987-10-06','AA','7'),('1987-10-06','AA','34'),('1987-10-06','AA','36'),('1987-10-06','AA','91'),('1987-10-06','AA','101'),('1987-10-06','AA','109'),('1987-10-06','AA','109'),('1987-10-06','AA','112'),('1987-10-06','AA','123'),('1987-10-06','AA','123'),('1987-10-06','AA','165'),('1987-10-06','AA','165'),('1987-10-06','AA','165'),('1987-10-06','AA','176'),('1987-10-06','AA','176'),('1987-10-06','AA','176'),('1987-10-06','AA','176'),('1987-10-06','AA','179'),('1987-10-06','AA','179'),('1987-10-06','AA','215'),('1987-10-06','AA','215'),('1987-10-06','AA','231'),('1987-10-06','AA','231'),('1987-10-06','AA','263'),('1987-10-06','AA','263'),('1987-10-06','AA','268'),('1987-10-06','AA','268'),('1987-10-06','AA','287'),('1987-10-06','AA','287'),('1987-10-06','AA','309'),('1987-10-06','AA','309'),('1987-10-06','AA','309'),('1987-10-06','AA','341'),('1987-10-06','AA','344'),('1987-10-06','AA','344'),('1987-10-06','AA','347'),('1987-10-06','AA','347'),('1987-10-06','AA','368'),('1987-10-06','AA','381'),('1987-10-06','AA','381'),('1987-10-06','AA','381'),('1987-10-06','AA','396'),('1987-10-06','AA','396'),('1987-10-06','AA','397'),('1987-10-06','AA','397'),('1987-10-06','AA','417'),('1987-10-06','AA','417'),('1987-10-06','AA','446'),('1987-10-06','AA','451'),('1987-10-06','AA','451'),('1987-10-06','AA','460'),('1987-10-06','AA','460'),('1987-10-06','AA','491'),('1987-10-06','AA','504'),('1987-10-06','AA','504'),('1987-10-06','AA','519'),('1987-10-06','AA','519'),('1987-10-06','AA','523'),('1987-10-06','AA','523'),('1987-10-06','AA','525'),('1987-10-06','AA','525'),('1987-10-06','AA','525'),('1987-10-06','AA','533'),('1987-10-06','AA','533'),('1987-10-06','AA','533'),('1987-10-06','AA','546'),('1987-10-06','AA','546'),('1987-10-06','AA','546'),('1987-10-06','AA','546'),('1987-10-06','AA','556'),('1987-10-06','AA','556'),('1987-10-06','AA','556'),('1987-10-06','AA','597'),('1987-10-06','AA','597'),('1987-10-06','AA','597'),('1987-10-06','AA','601'),('1987-10-06','AA','601'),('1987-10-06','AA','627'),('1987-10-06','AA','629'),('1987-10-06','AA','629'),('1987-10-06','AA','670'),('1987-10-06','AA','673'),('1987-10-06','AA','673'),('1987-10-06','AA','680'),('1987-10-06','AA','680'),('1987-10-06','AA','817'),('1987-10-06','AA','817'),('1987-10-06','AA','824'),('1987-10-06','AA','824'),('1987-10-06','AA','824'),('1987-10-06','AA','824'),('1987-10-06','AA','832'),('1987-10-06','AA','832'),('1987-10-06','AA','852'),('1987-10-06','AA','852'),('1987-10-06','AA','866'),('1987-10-06','AA','871'),('1987-10-06','AA','871'),('1987-10-06','AA','880'),('1987-10-06','AA','880'),('1987-10-06','AA','880'),('1987-10-06','AA','880'),('1987-10-06','AA','883'),('1987-10-06','AA','883'),('1987-10-06','AA','885'),('1987-10-06','AA','885'),('1987-10-06','AA','885'),('1987-10-06','AA','890'),('1987-10-06','AA','890'),('1987-10-06','AA','893'),('1987-10-06','AA','893'),('1987-10-06','AA','905'),('1987-10-06','AA','905'),('1987-10-06','AA','915'),('1987-10-06','AA','929'),('1987-10-06','AA','929'),('1987-10-06','AA','936'),('1987-10-06','AA','936'),('1987-10-06','AA','937'),('1987-10-06','AA','937'),('1987-10-06','AA','955'),('1987-10-06','AA','955'),('1987-10-06','AA','966'),('1987-10-06','AA','1002'),('1987-10-06','AA','1002'),('1987-10-06','AA','1004'),('1987-10-06','AA','1004'),('1987-10-06','AA','1015'),('1987-10-06','AA','1015'),('1987-10-06','AA','1021'),('1987-10-06','AA','1021'),('1987-10-06','AA','1041'),('1987-10-06','AA','1041'),('1987-10-06','AA','1046'),('1987-10-06','AA','1046'),('1987-10-06','AA','1048'),('1987-10-06','AA','1061'),('1987-10-06','AA','1088'),('1987-10-06','AA','1088'),('1987-10-06','AA','2033'),('1987-10-06','AA','2033'),('1987-10-06','AA','2050'),('1987-10-06','AA','2058'),('1987-10-06','AA','2071'),('1987-10-06','AA','2071'),('1987-10-06','AA','2086'),('1987-10-06','AA','2105'),('1987-10-06','AA','2111'),('1987-10-06','AA','2123'),('1987-10-06','AA','2123'),('1987-10-06','AA','2147'),('1987-10-06','AA','2147'),('1987-10-06','AA','2199'),('1987-10-06','AA','2199'),('1987-10-06','AA','2207'),('1987-10-06','AA','2207'),('1987-10-06','AA','2217'),('1987-10-06','AA','2230'),('1987-10-06','AA','2245'),('1987-10-06','AA','2251'),('1987-10-06','AA','2251'),('1987-10-06','AA','2275'),('1987-10-06','AA','2278'),('1987-10-06','AA','2351'),('1987-10-06','AA','2357'),('1987-10-06','AA','2490'),('1987-10-06','AA','2528'),('1987-10-06','AA','2528'),('1987-10-06','AA','2735'),('1987-10-06','AA','2735'),('1987-10-06','AA','2751'),('1987-10-06','AL','2'),('1987-10-06','AL','2'),('1987-10-06','AL','7'),('1987-10-06','AL','7'),('1987-10-06','AL','26'),('1987-10-06','AL','26'),('1987-10-06','AL','34'),('1987-10-06','AL','34'),('1987-10-06','AL','36'),('1987-10-06','AL','36'),('1987-10-06','AL','45'),('1987-10-06','AL','45'),('1987-10-06','AL','45'),('1987-10-06','AL','91'),('1987-10-06','AL','91'),('1987-10-06','AL','104'),('1987-10-06','AL','104'),('1987-10-06','AL','104'),('1987-10-06','AL','109'),('1987-10-06','AL','112'),('1987-10-06','AL','112'),('1987-10-06','AL','123'),('1987-10-06','AL','149'),('1987-10-06','AL','160'),('1987-10-06','AL','160'),('1987-10-06','AL','165'),('1987-10-06','AL','171'),('1987-10-06','AL','171'),('1987-10-06','AL','176'),('1987-10-06','AL','176'),('1987-10-06','AL','179'),('1987-10-06','AL','231'),('1987-10-06','AL','263'),('1987-10-06','AL','263'),('1987-10-06','AL','268'),('1987-10-06','AL','268'),('1987-10-06','AL','268'),('1987-10-06','AL','281'),('1987-10-06','AL','281'),('1987-10-06','AL','287'),('1987-10-06','AL','287'),('1987-10-06','AL','309'),('1987-10-06','AL','309'),('1987-10-06','AL','341'),('1987-10-06','AL','344'),('1987-10-06','AL','344'),('1987-10-06','AL','357'),('1987-10-06','AL','357'),('1987-10-06','AL','381'),('1987-10-06','AL','397'),('1987-10-06','AL','397'),('1987-10-06','AL','416'),('1987-10-06','AL','416'),('1987-10-06','AL','417'),('1987-10-06','AL','438'),('1987-10-06','AL','438'),('1987-10-06','AL','446'),('1987-10-06','AL','451'),('1987-10-06','AL','451'),('1987-10-06','AL','491'),('1987-10-06','AL','491'),('1987-10-06','AL','523'),('1987-10-06','AL','523'),('1987-10-06','AL','523'),('1987-10-06','AL','525'),('1987-10-06','AL','525'),('1987-10-06','AL','533'),('1987-10-06','AL','533'),('1987-10-06','AL','546'),('1987-10-06','AL','546'),('1987-10-06','AL','601'),('1987-10-06','AL','601'),('1987-10-06','AL','627'),('1987-10-06','AL','629'),('1987-10-06','AL','670'),('1987-10-06','AL','670'),('1987-10-06','AL','670'),('1987-10-06','AL','673'),('1987-10-06','AL','680'),('1987-10-07','AA','2'),('1987-10-07','AA','2'),('1987-10-07','AA','2'),('1987-10-07','AA','7'),('1987-10-07','AA','7'),('1987-10-07','AA','26'),('1987-10-07','AA','34'),('1987-10-07','AA','36'),('1987-10-07','AA','91'),('1987-10-07','AA','101'),('1987-10-07','AA','101'),('1987-10-07','AA','109'),('1987-10-07','AA','112'),('1987-10-07','AA','123'),('1987-10-07','AA','123'),('1987-10-07','AA','160'),('1987-10-07','AA','165'),('1987-10-07','AA','165'),('1987-10-07','AA','165'),('1987-10-07','AA','176'),('1987-10-07','AA','176'),('1987-10-07','AA','176'),('1987-10-07','AA','176'),('1987-10-07','AA','179'),('1987-10-07','AA','179'),('1987-10-07','AA','215'),('1987-10-07','AA','215'),('1987-10-07','AA','231'),('1987-10-07','AA','231'),('1987-10-07','AA','263'),('1987-10-07','AA','263'),('1987-10-07','AA','268'),('1987-10-07','AA','268'),('1987-10-07','AA','281'),('1987-10-07','AA','287'),('1987-10-07','AA','287'),('1987-10-07','AA','309'),('1987-10-07','AA','309'),('1987-10-07','AA','309'),('1987-10-07','AA','341'),('1987-10-07','AA','344'),('1987-10-07','AA','344'),('1987-10-07','AA','347'),('1987-10-07','AA','347'),('1987-10-07','AA','368'),('1987-10-07','AA','381'),('1987-10-07','AA','381'),('1987-10-07','AA','381'),('1987-10-07','AA','396'),('1987-10-07','AA','396'),('1987-10-07','AA','397'),('1987-10-07','AA','397'),('1987-10-07','AA','417'),('1987-10-07','AA','417'),('1987-10-07','AA','446'),('1987-10-07','AA','451'),('1987-10-07','AA','451'),('1987-10-07','AA','460'),('1987-10-07','AA','460'),('1987-10-07','AA','504'),('1987-10-07','AA','504'),('1987-10-07','AA','519'),('1987-10-07','AA','519'),('1987-10-07','AA','523'),('1987-10-07','AA','523'),('1987-10-07','AA','525'),('1987-10-07','AA','525'),('1987-10-07','AA','525'),('1987-10-07','AA','533'),('1987-10-07','AA','533'),('1987-10-07','AA','533'),('1987-10-07','AA','546'),('1987-10-07','AA','546'),('1987-10-07','AA','546'),('1987-10-07','AA','546'),('1987-10-07','AA','556'),('1987-10-07','AA','556'),('1987-10-07','AA','556'),('1987-10-07','AA','597'),('1987-10-07','AA','597'),('1987-10-07','AA','597'),('1987-10-07','AA','601'),('1987-10-07','AA','601'),('1987-10-07','AA','627'),('1987-10-07','AA','629'),('1987-10-07','AA','629'),('1987-10-07','AA','670'),('1987-10-07','AA','673'),('1987-10-07','AA','673'),('1987-10-07','AA','680'),('1987-10-07','AA','680'),('1987-10-07','AA','817'),('1987-10-07','AA','817'),('1987-10-07','AA','824'),('1987-10-07','AA','824'),('1987-10-07','AA','824'),('1987-10-07','AA','824'),('1987-10-07','AA','832'),('1987-10-07','AA','832'),('1987-10-07','AA','852'),('1987-10-07','AA','852'),('1987-10-07','AA','866'),('1987-10-07','AA','866'),('1987-10-07','AA','871'),('1987-10-07','AA','871'),('1987-10-07','AA','880'),('1987-10-07','AA','880'),('1987-10-07','AA','880'),('1987-10-07','AA','880'),('1987-10-07','AA','883'),('1987-10-07','AA','883'),('1987-10-07','AA','885'),('1987-10-07','AA','885'),('1987-10-07','AA','890'),('1987-10-07','AA','890'),('1987-10-07','AA','893'),('1987-10-07','AA','893'),('1987-10-07','AA','905'),('1987-10-07','AA','905'),('1987-10-07','AA','915'),('1987-10-07','AA','929'),('1987-10-07','AA','929'),('1987-10-07','AA','936'),('1987-10-07','AA','936'),('1987-10-07','AA','937'),('1987-10-07','AA','937'),('1987-10-07','AA','955'),('1987-10-07','AA','955'),('1987-10-07','AA','966'),('1987-10-07','AA','1002'),('1987-10-07','AA','1002'),('1987-10-07','AA','1004'),('1987-10-07','AA','1004'),('1987-10-07','AA','1015'),('1987-10-07','AA','1015'),('1987-10-07','AA','1021'),('1987-10-07','AA','1021'),('1987-10-07','AA','1041'),('1987-10-07','AA','1041'),('1987-10-07','AA','1046'),('1987-10-07','AA','1046'),('1987-10-07','AA','1048'),('1987-10-07','AA','1048'),('1987-10-07','AA','1061'),('1987-10-07','AA','1061'),('1987-10-07','AA','1088'),('1987-10-07','AA','1088'),('1987-10-07','AA','2033'),('1987-10-07','AA','2033'),('1987-10-07','AA','2050'),('1987-10-07','AA','2058'),('1987-10-07','AA','2071'),('1987-10-07','AA','2071'),('1987-10-07','AA','2086'),('1987-10-07','AA','2105'),('1987-10-07','AA','2111'),('1987-10-07','AA','2123'),('1987-10-07','AA','2123'),('1987-10-07','AA','2147'),('1987-10-07','AA','2147'),('1987-10-07','AA','2199'),('1987-10-07','AA','2199'),('1987-10-07','AA','2207'),('1987-10-07','AA','2207'),('1987-10-07','AA','2217'),('1987-10-07','AA','2230'),('1987-10-07','AA','2245'),('1987-10-07','AA','2251'),('1987-10-07','AA','2251'),('1987-10-07','AA','2275'),('1987-10-07','AA','2351'),('1987-10-07','AA','2357'),('1987-10-07','AA','2361'),('1987-10-07','AA','2490'),('1987-10-07','AA','2528'),('1987-10-07','AA','2528'),('1987-10-07','AA','2735'),('1987-10-07','AA','2735'),('1987-10-07','AA','2751'),('1987-10-07','AL','2'),('1987-10-07','AL','2'),('1987-10-07','AL','7'),('1987-10-07','AL','7'),('1987-10-07','AL','26'),('1987-10-07','AL','26'),('1987-10-07','AL','34'),('1987-10-07','AL','34'),('1987-10-07','AL','36'),('1987-10-07','AL','36'),('1987-10-07','AL','45'),('1987-10-07','AL','45'),('1987-10-07','AL','45'),('1987-10-07','AL','91'),('1987-10-07','AL','91'),('1987-10-07','AL','104'),('1987-10-07','AL','104'),('1987-10-07','AL','104'),('1987-10-07','AL','109'),('1987-10-07','AL','112'),('1987-10-07','AL','112'),('1987-10-07','AL','123'),('1987-10-07','AL','149'),('1987-10-07','AL','160'),('1987-10-07','AL','160'),('1987-10-07','AL','165'),('1987-10-07','AL','171'),('1987-10-07','AL','171'),('1987-10-07','AL','176'),('1987-10-07','AL','176'),('1987-10-07','AL','179'),('1987-10-07','AL','215'),('1987-10-07','AL','231'),('1987-10-07','AL','263'),('1987-10-07','AL','263'),('1987-10-07','AL','268'),('1987-10-07','AL','268'),('1987-10-07','AL','268'),('1987-10-07','AL','281'),('1987-10-07','AL','281'),('1987-10-07','AL','287'),('1987-10-07','AL','287'),('1987-10-07','AL','309'),('1987-10-07','AL','309'),('1987-10-07','AL','341'),('1987-10-07','AL','344'),('1987-10-07','AL','344'),('1987-10-07','AL','357'),('1987-10-07','AL','357'),('1987-10-07','AL','368'),('1987-10-07','AL','381'),('1987-10-07','AL','396'),('1987-10-07','AL','397'),('1987-10-07','AL','397'),('1987-10-07','AL','416'),('1987-10-07','AL','416'),('1987-10-07','AL','417'),('1987-10-07','AL','438'),('1987-10-07','AL','438'),('1987-10-07','AL','446'),('1987-10-07','AL','451'),('1987-10-07','AL','451'),('1987-10-07','AL','491'),('1987-10-07','AL','491'),('1987-10-07','AL','523'),('1987-10-07','AL','523'),('1987-10-07','AL','523'),('1987-10-07','AL','525'),('1987-10-07','AL','525'),('1987-10-07','AL','533'),('1987-10-07','AL','533'),('1987-10-07','AL','546'),('1987-10-07','AL','546'),('1987-10-07','AL','556'),('1987-10-07','AL','556'),('1987-10-07','AL','601'),('1987-10-07','AL','627'),('1987-10-07','AL','629'),('1987-10-07','AL','670'),('1987-10-07','AL','670'),('1987-10-07','AL','670'),('1987-10-07','AL','673'),('1987-10-07','AL','680'),('1987-10-08','AA','2'),('1987-10-08','AA','2'),('1987-10-08','AA','2'),('1987-10-08','AA','7'),('1987-10-08','AA','7'),('1987-10-08','AA','26'),('1987-10-08','AA','34'),('1987-10-08','AA','36'),('1987-10-08','AA','91'),('1987-10-08','AA','101'),('1987-10-08','AA','101'),('1987-10-08','AA','109'),('1987-10-08','AA','109'),('1987-10-08','AA','112'),('1987-10-08','AA','123'),('1987-10-08','AA','123'),('1987-10-08','AA','160'),('1987-10-08','AA','165'),('1987-10-08','AA','165'),('1987-10-08','AA','165'),('1987-10-08','AA','176'),('1987-10-08','AA','176'),('1987-10-08','AA','176'),('1987-10-08','AA','176'),('1987-10-08','AA','179'),('1987-10-08','AA','179'),('1987-10-08','AA','215'),('1987-10-08','AA','215'),('1987-10-08','AA','231'),('1987-10-08','AA','231'),('1987-10-08','AA','263'),('1987-10-08','AA','263'),('1987-10-08','AA','268'),('1987-10-08','AA','268'),('1987-10-08','AA','281'),('1987-10-08','AA','287'),('1987-10-08','AA','287'),('1987-10-08','AA','309'),('1987-10-08','AA','309'),('1987-10-08','AA','309'),('1987-10-08','AA','344'),('1987-10-08','AA','344'),('1987-10-08','AA','347'),('1987-10-08','AA','347'),('1987-10-08','AA','368'),('1987-10-08','AA','381'),('1987-10-08','AA','381'),('1987-10-08','AA','381'),('1987-10-08','AA','396'),('1987-10-08','AA','396'),('1987-10-08','AA','397'),('1987-10-08','AA','397'),('1987-10-08','AA','417'),('1987-10-08','AA','417'),('1987-10-08','AA','446'),('1987-10-08','AA','451'),('1987-10-08','AA','460'),('1987-10-08','AA','460'),('1987-10-08','AA','491'),('1987-10-08','AA','504'),('1987-10-08','AA','504'),('1987-10-08','AA','519'),('1987-10-08','AA','519'),('1987-10-08','AA','523'),('1987-10-08','AA','525'),('1987-10-08','AA','533'),('1987-10-08','AA','533'),('1987-10-08','AA','533'),('1987-10-08','AA','546'),('1987-10-08','AA','546'),('1987-10-08','AA','546'),('1987-10-08','AA','546'),('1987-10-08','AA','556'),('1987-10-08','AA','556'),('1987-10-08','AA','556'),('1987-10-08','AA','597'),('1987-10-08','AA','597'),('1987-10-08','AA','597'),('1987-10-08','AA','601'),('1987-10-08','AA','601'),('1987-10-08','AA','627'),('1987-10-08','AA','629'),('1987-10-08','AA','629'),('1987-10-08','AA','670'),('1987-10-08','AA','673'),('1987-10-08','AA','673'),('1987-10-08','AA','680'),('1987-10-08','AA','680'),('1987-10-08','AA','817'),('1987-10-08','AA','817'),('1987-10-08','AA','824'),('1987-10-08','AA','824'),('1987-10-08','AA','832'),('1987-10-08','AA','832'),('1987-10-08','AA','852'),('1987-10-08','AA','866'),('1987-10-08','AA','866'),('1987-10-08','AA','871'),('1987-10-08','AA','871'),('1987-10-08','AA','880'),('1987-10-08','AA','880'),('1987-10-08','AA','880'),('1987-10-08','AA','880'),('1987-10-08','AA','883'),('1987-10-08','AA','883'),('1987-10-08','AA','885'),('1987-10-08','AA','885'),('1987-10-08','AA','885'),('1987-10-08','AA','890'),('1987-10-08','AA','890'),('1987-10-08','AA','893'),('1987-10-08','AA','893'),('1987-10-08','AA','905'),('1987-10-08','AA','905'),('1987-10-08','AA','915'),('1987-10-08','AA','929'),('1987-10-08','AA','929'),('1987-10-08','AA','936'),('1987-10-08','AA','936'),('1987-10-08','AA','937'),('1987-10-08','AA','937'),('1987-10-08','AA','955'),('1987-10-08','AA','955'),('1987-10-08','AA','966'),('1987-10-08','AA','1002'),('1987-10-08','AA','1002'),('1987-10-08','AA','1004'),('1987-10-08','AA','1004'),('1987-10-08','AA','1015'),('1987-10-08','AA','1015'),('1987-10-08','AA','1021'),('1987-10-08','AA','1021'),('1987-10-08','AA','1041'),('1987-10-08','AA','1041'),('1987-10-08','AA','1046'),('1987-10-08','AA','1046'),('1987-10-08','AA','1048'),('1987-10-08','AA','1061'),('1987-10-08','AA','1061'),('1987-10-08','AA','1088'),('1987-10-08','AA','1088'),('1987-10-08','AA','2033'),('1987-10-08','AA','2033'),('1987-10-08','AA','2050'),('1987-10-08','AA','2058'),('1987-10-08','AA','2071'),('1987-10-08','AA','2071'),('1987-10-08','AA','2086'),('1987-10-08','AA','2111'),('1987-10-08','AA','2123'),('1987-10-08','AA','2123'),('1987-10-08','AA','2147'),('1987-10-08','AA','2147'),('1987-10-08','AA','2199'),('1987-10-08','AA','2199'),('1987-10-08','AA','2207'),('1987-10-08','AA','2207'),('1987-10-08','AA','2217'),('1987-10-08','AA','2230'),('1987-10-08','AA','2245'),('1987-10-08','AA','2251'),('1987-10-08','AA','2251'),('1987-10-08','AA','2275'),('1987-10-08','AA','2278'),('1987-10-08','AA','2351'),('1987-10-08','AA','2357'),('1987-10-08','AA','2361'),('1987-10-08','AA','2490'),('1987-10-08','AA','2528'),('1987-10-08','AA','2528'),('1987-10-08','AA','2735'),('1987-10-08','AA','2735'),('1987-10-08','AA','2751'),('1987-10-08','AL','2'),('1987-10-08','AL','2'),('1987-10-08','AL','7'),('1987-10-08','AL','7'),('1987-10-08','AL','26'),('1987-10-08','AL','26'),('1987-10-08','AL','34'),('1987-10-08','AL','34'),('1987-10-08','AL','36'),('1987-10-08','AL','36'),('1987-10-08','AL','45'),('1987-10-08','AL','45'),('1987-10-08','AL','45'),('1987-10-08','AL','91'),('1987-10-08','AL','91'),('1987-10-08','AL','104'),('1987-10-08','AL','104'),('1987-10-08','AL','104'),('1987-10-08','AL','109'),('1987-10-08','AL','112'),('1987-10-08','AL','112'),('1987-10-08','AL','123'),('1987-10-08','AL','149'),('1987-10-08','AL','160'),('1987-10-08','AL','160'),('1987-10-08','AL','165'),('1987-10-08','AL','171'),('1987-10-08','AL','171'),('1987-10-08','AL','176'),('1987-10-08','AL','176'),('1987-10-08','AL','179'),('1987-10-08','AL','215'),('1987-10-08','AL','231'),('1987-10-08','AL','263'),('1987-10-08','AL','263'),('1987-10-08','AL','268'),('1987-10-08','AL','268'),('1987-10-08','AL','268'),('1987-10-08','AL','281'),('1987-10-08','AL','281'),('1987-10-08','AL','287'),('1987-10-08','AL','287'),('1987-10-08','AL','309'),('1987-10-08','AL','309'),('1987-10-08','AL','341'),('1987-10-08','AL','344'),('1987-10-08','AL','344'),('1987-10-08','AL','357'),('1987-10-08','AL','357'),('1987-10-08','AL','368'),('1987-10-08','AL','381'),('1987-10-08','AL','396'),('1987-10-08','AL','397'),('1987-10-08','AL','397'),('1987-10-08','AL','416'),('1987-10-08','AL','416'),('1987-10-08','AL','417'),('1987-10-08','AL','438'),('1987-10-08','AL','438'),('1987-10-08','AL','446'),('1987-10-08','AL','451'),('1987-10-08','AL','451'),('1987-10-08','AL','491'),('1987-10-08','AL','491'),('1987-10-08','AL','523'),('1987-10-08','AL','523'),('1987-10-08','AL','523'),('1987-10-08','AL','525'),('1987-10-08','AL','525'),('1987-10-08','AL','533'),('1987-10-08','AL','533'),('1987-10-08','AL','546'),('1987-10-08','AL','546'),('1987-10-08','AL','556'),('1987-10-08','AL','556'),('1987-10-08','AL','601'),('1987-10-08','AL','601'),('1987-10-08','AL','627'),('1987-10-08','AL','629'),('1987-10-08','AL','670'),('1987-10-08','AL','670'),('1987-10-08','AL','670'),('1987-10-08','AL','680'),('1987-10-09','AA','2'),('1987-10-09','AA','2'),('1987-10-09','AA','2'),('1987-10-09','AA','7'),('1987-10-09','AA','7'),('1987-10-09','AA','26'),('1987-10-09','AA','34'),('1987-10-09','AA','36'),('1987-10-09','AA','91'),('1987-10-09','AA','101'),('1987-10-09','AA','101'),('1987-10-09','AA','109'),('1987-10-09','AA','109'),('1987-10-09','AA','112'),('1987-10-09','AA','123'),('1987-10-09','AA','123'),('1987-10-09','AA','160'),('1987-10-09','AA','165'),('1987-10-09','AA','165'),('1987-10-09','AA','176'),('1987-10-09','AA','176'),('1987-10-09','AA','176'),('1987-10-09','AA','176'),('1987-10-09','AA','179'),('1987-10-09','AA','179'),('1987-10-09','AA','215'),('1987-10-09','AA','215'),('1987-10-09','AA','231'),('1987-10-09','AA','263'),('1987-10-09','AA','263'),('1987-10-09','AA','268'),('1987-10-09','AA','268'),('1987-10-09','AA','281'),('1987-10-09','AA','287'),('1987-10-09','AA','309'),('1987-10-09','AA','309'),('1987-10-09','AA','309'),('1987-10-09','AA','344'),('1987-10-09','AA','344'),('1987-10-09','AA','347'),('1987-10-09','AA','347'),('1987-10-09','AA','368'),('1987-10-09','AA','381'),('1987-10-09','AA','381'),('1987-10-09','AA','381'),('1987-10-09','AA','396'),('1987-10-09','AA','396'),('1987-10-09','AA','397'),('1987-10-09','AA','397'),('1987-10-09','AA','417'),('1987-10-09','AA','417'),('1987-10-09','AA','451'),('1987-10-09','AA','451'),('1987-10-09','AA','460'),('1987-10-09','AA','460'),('1987-10-09','AA','491'),('1987-10-09','AA','504'),('1987-10-09','AA','504'),('1987-10-09','AA','519'),('1987-10-09','AA','519'),('1987-10-09','AA','523'),('1987-10-09','AA','523'),('1987-10-09','AA','525'),('1987-10-09','AA','525'),('1987-10-09','AA','525'),('1987-10-09','AA','533'),('1987-10-09','AA','533'),('1987-10-09','AA','533'),('1987-10-09','AA','546'),('1987-10-09','AA','546'),('1987-10-09','AA','546'),('1987-10-09','AA','546'),('1987-10-09','AA','556'),('1987-10-09','AA','556'),('1987-10-09','AA','556'),('1987-10-09','AA','597'),('1987-10-09','AA','597'),('1987-10-09','AA','597'),('1987-10-09','AA','601'),('1987-10-09','AA','601'),('1987-10-09','AA','629'),('1987-10-09','AA','629'),('1987-10-09','AA','670'),('1987-10-09','AA','673'),('1987-10-09','AA','673'),('1987-10-09','AA','680'),('1987-10-09','AA','680'),('1987-10-09','AA','817'),('1987-10-09','AA','824'),('1987-10-09','AA','824'),('1987-10-09','AA','824'),('1987-10-09','AA','824'),('1987-10-09','AA','832'),('1987-10-09','AA','832'),('1987-10-09','AA','852'),('1987-10-09','AA','852'),('1987-10-09','AA','866'),('1987-10-09','AA','866'),('1987-10-09','AA','871'),('1987-10-09','AA','880'),('1987-10-09','AA','880'),('1987-10-09','AA','880'),('1987-10-09','AA','883'),('1987-10-09','AA','883'),('1987-10-09','AA','885'),('1987-10-09','AA','885'),('1987-10-09','AA','885'),('1987-10-09','AA','890'),('1987-10-09','AA','890'),('1987-10-09','AA','893'),('1987-10-09','AA','893'),('1987-10-09','AA','905'),('1987-10-09','AA','905'),('1987-10-09','AA','915'),('1987-10-09','AA','929'),('1987-10-09','AA','929'),('1987-10-09','AA','936'),('1987-10-09','AA','936'),('1987-10-09','AA','937'),('1987-10-09','AA','937'),('1987-10-09','AA','955'),('1987-10-09','AA','955'),('1987-10-09','AA','966'),('1987-10-09','AA','1002'),('1987-10-09','AA','1002'),('1987-10-09','AA','1004'),('1987-10-09','AA','1004'),('1987-10-09','AA','1015'),('1987-10-09','AA','1015'),('1987-10-09','AA','1021'),('1987-10-09','AA','1021'),('1987-10-09','AA','1041'),('1987-10-09','AA','1041'),('1987-10-09','AA','1046'),('1987-10-09','AA','1046'),('1987-10-09','AA','1048'),('1987-10-09','AA','1048'),('1987-10-09','AA','1061'),('1987-10-09','AA','1061'),('1987-10-09','AA','1088'),('1987-10-09','AA','1088'),('1987-10-09','AA','2033'),('1987-10-09','AA','2033'),('1987-10-09','AA','2050'),('1987-10-09','AA','2058'),('1987-10-09','AA','2071'),('1987-10-09','AA','2071'),('1987-10-09','AA','2086'),('1987-10-09','AA','2105'),('1987-10-09','AA','2111'),('1987-10-09','AA','2123'),('1987-10-09','AA','2123'),('1987-10-09','AA','2147'),('1987-10-09','AA','2147'),('1987-10-09','AA','2199'),('1987-10-09','AA','2199'),('1987-10-09','AA','2207'),('1987-10-09','AA','2207'),('1987-10-09','AA','2217'),('1987-10-09','AA','2230'),('1987-10-09','AA','2245'),('1987-10-09','AA','2251'),('1987-10-09','AA','2251'),('1987-10-09','AA','2275'),('1987-10-09','AA','2278'),('1987-10-09','AA','2351'),('1987-10-09','AA','2357'),('1987-10-09','AA','2361'),('1987-10-09','AA','2490'),('1987-10-09','AA','2528'),('1987-10-09','AA','2528'),('1987-10-09','AA','2735'),('1987-10-09','AA','2735'),('1987-10-09','AA','2751'),('1987-10-09','AL','2'),('1987-10-09','AL','2'),('1987-10-09','AL','7'),('1987-10-09','AL','7'),('1987-10-09','AL','26'),('1987-10-09','AL','34'),('1987-10-09','AL','34'),('1987-10-09','AL','36'),('1987-10-09','AL','36'),('1987-10-09','AL','45'),('1987-10-09','AL','45'),('1987-10-09','AL','45'),('1987-10-09','AL','91'),('1987-10-09','AL','91'),('1987-10-09','AL','104'),('1987-10-09','AL','104'),('1987-10-09','AL','104'),('1987-10-09','AL','109'),('1987-10-09','AL','112'),('1987-10-09','AL','112'),('1987-10-09','AL','123'),('1987-10-09','AL','149'),('1987-10-09','AL','160'),('1987-10-09','AL','160'),('1987-10-09','AL','165'),('1987-10-09','AL','171'),('1987-10-09','AL','171'),('1987-10-09','AL','176'),('1987-10-09','AL','176'),('1987-10-09','AL','179'),('1987-10-09','AL','215'),('1987-10-09','AL','231'),('1987-10-09','AL','263'),('1987-10-09','AL','263'),('1987-10-09','AL','268'),('1987-10-09','AL','268'),('1987-10-09','AL','268'),('1987-10-09','AL','281'),('1987-10-09','AL','281'),('1987-10-09','AL','287'),('1987-10-09','AL','287'),('1987-10-09','AL','309'),('1987-10-09','AL','309'),('1987-10-09','AL','341'),('1987-10-09','AL','344'),('1987-10-09','AL','344'),('1987-10-09','AL','368'),('1987-10-09','AL','381'),('1987-10-09','AL','396'),('1987-10-09','AL','397'),('1987-10-09','AL','397'),('1987-10-09','AL','416'),('1987-10-09','AL','416'),('1987-10-09','AL','417'),('1987-10-09','AL','438'),('1987-10-09','AL','438'),('1987-10-09','AL','446'),('1987-10-09','AL','451'),('1987-10-09','AL','491'),('1987-10-09','AL','491'),('1987-10-09','AL','523'),('1987-10-09','AL','523'),('1987-10-09','AL','523'),('1987-10-09','AL','525'),('1987-10-09','AL','525'),('1987-10-09','AL','533'),('1987-10-09','AL','533'),('1987-10-09','AL','546'),('1987-10-09','AL','546'),('1987-10-09','AL','556'),('1987-10-09','AL','556'),('1987-10-09','AL','601'),('1987-10-09','AL','601'),('1987-10-09','AL','627'),('1987-10-09','AL','629'),('1987-10-09','AL','670'),('1987-10-09','AL','670'),('1987-10-09','AL','670'),('1987-10-09','AL','673'),('1987-10-09','AL','680'),('1987-10-10','AA','2'),('1987-10-10','AA','2'),('1987-10-10','AA','2'),('1987-10-10','AA','7'),('1987-10-10','AA','7'),('1987-10-10','AA','26'),('1987-10-10','AA','34'),('1987-10-10','AA','36'),('1987-10-10','AA','91'),('1987-10-10','AA','101'),('1987-10-10','AA','101'),('1987-10-10','AA','109'),('1987-10-10','AA','109'),('1987-10-10','AA','112'),('1987-10-10','AA','123'),('1987-10-10','AA','123'),('1987-10-10','AA','160'),('1987-10-10','AA','165'),('1987-10-10','AA','165'),('1987-10-10','AA','165'),('1987-10-10','AA','176'),('1987-10-10','AA','176'),('1987-10-10','AA','176'),('1987-10-10','AA','176'),('1987-10-10','AA','179'),('1987-10-10','AA','179'),('1987-10-10','AA','215'),('1987-10-10','AA','215'),('1987-10-10','AA','231'),('1987-10-10','AA','263'),('1987-10-10','AA','263'),('1987-10-10','AA','268'),('1987-10-10','AA','268'),('1987-10-10','AA','281'),('1987-10-10','AA','287'),('1987-10-10','AA','287'),('1987-10-10','AA','309'),('1987-10-10','AA','309'),('1987-10-10','AA','309'),('1987-10-10','AA','341'),('1987-10-10','AA','344'),('1987-10-10','AA','344'),('1987-10-10','AA','347'),('1987-10-10','AA','347'),('1987-10-10','AA','368'),('1987-10-10','AA','381'),('1987-10-10','AA','381'),('1987-10-10','AA','381'),('1987-10-10','AA','396'),('1987-10-10','AA','396'),('1987-10-10','AA','397'),('1987-10-10','AA','417'),('1987-10-10','AA','417'),('1987-10-10','AA','446'),('1987-10-10','AA','451'),('1987-10-10','AA','451'),('1987-10-10','AA','460'),('1987-10-10','AA','460'),('1987-10-10','AA','491'),('1987-10-10','AA','491'),('1987-10-10','AA','504'),('1987-10-10','AA','504'),('1987-10-10','AA','519'),('1987-10-10','AA','523'),('1987-10-10','AA','523'),('1987-10-10','AA','525'),('1987-10-10','AA','525'),('1987-10-10','AA','525'),('1987-10-10','AA','533'),('1987-10-10','AA','533'),('1987-10-10','AA','546'),('1987-10-10','AA','546'),('1987-10-10','AA','546'),('1987-10-10','AA','546'),('1987-10-10','AA','556'),('1987-10-10','AA','556'),('1987-10-10','AA','556'),('1987-10-10','AA','597'),('1987-10-10','AA','597'),('1987-10-10','AA','597'),('1987-10-10','AA','601'),('1987-10-10','AA','601'),('1987-10-10','AA','627'),('1987-10-10','AA','629'),('1987-10-10','AA','629'),('1987-10-10','AA','670'),('1987-10-10','AA','673'),('1987-10-10','AA','673'),('1987-10-10','AA','680'),('1987-10-10','AA','680'),('1987-10-10','AA','817'),('1987-10-10','AA','817'),('1987-10-10','AA','824'),('1987-10-10','AA','824'),('1987-10-10','AA','824'),('1987-10-10','AA','824'),('1987-10-10','AA','832'),('1987-10-10','AA','832'),('1987-10-10','AA','852'),('1987-10-10','AA','852'),('1987-10-10','AA','866'),('1987-10-10','AA','866'),('1987-10-10','AA','871'),('1987-10-10','AA','871'),('1987-10-10','AA','880'),('1987-10-10','AA','880'),('1987-10-10','AA','880'),('1987-10-10','AA','880'),('1987-10-10','AA','883'),('1987-10-10','AA','883'),('1987-10-10','AA','885'),('1987-10-10','AA','885'),('1987-10-10','AA','885'),('1987-10-10','AA','890'),('1987-10-10','AA','890'),('1987-10-10','AA','893'),('1987-10-10','AA','893'),('1987-10-10','AA','905'),('1987-10-10','AA','905'),('1987-10-10','AA','915'),('1987-10-10','AA','929'),('1987-10-10','AA','929'),('1987-10-10','AA','936'),('1987-10-10','AA','936'),('1987-10-10','AA','937'),('1987-10-10','AA','955'),('1987-10-10','AA','955'),('1987-10-10','AA','966'),('1987-10-10','AA','1002'),('1987-10-10','AA','1002'),('1987-10-10','AA','1004'),('1987-10-10','AA','1004'),('1987-10-10','AA','1015'),('1987-10-10','AA','1015'),('1987-10-10','AA','1021'),('1987-10-10','AA','1021'),('1987-10-10','AA','1041'),('1987-10-10','AA','1041'),('1987-10-10','AA','1046'),('1987-10-10','AA','1046'),('1987-10-10','AA','1048'),('1987-10-10','AA','1048'),('1987-10-10','AA','1061'),('1987-10-10','AA','1061'),('1987-10-10','AA','1088'),('1987-10-10','AA','1088'),('1987-10-10','AA','2033'),('1987-10-10','AA','2033'),('1987-10-10','AA','2050'),('1987-10-10','AA','2058'),('1987-10-10','AA','2071'),('1987-10-10','AA','2071'),('1987-10-10','AA','2086'),('1987-10-10','AA','2111'),('1987-10-10','AA','2123'),('1987-10-10','AA','2123'),('1987-10-10','AA','2147'),('1987-10-10','AA','2147'),('1987-10-10','AA','2199'),('1987-10-10','AA','2207'),('1987-10-10','AA','2207'),('1987-10-10','AA','2217'),('1987-10-10','AA','2230'),('1987-10-10','AA','2245'),('1987-10-10','AA','2251'),('1987-10-10','AA','2251'),('1987-10-10','AA','2275'),('1987-10-10','AA','2278'),('1987-10-10','AA','2351'),('1987-10-10','AA','2357'),('1987-10-10','AA','2361'),('1987-10-10','AA','2490'),('1987-10-10','AA','2528'),('1987-10-10','AA','2528'),('1987-10-10','AA','2735'),('1987-10-10','AA','2735'),('1987-10-10','AL','2'),('1987-10-10','AL','2'),('1987-10-10','AL','7'),('1987-10-10','AL','7'),('1987-10-10','AL','26'),('1987-10-10','AL','26'),('1987-10-10','AL','34'),('1987-10-10','AL','34'),('1987-10-10','AL','36'),('1987-10-10','AL','36'),('1987-10-10','AL','45'),('1987-10-10','AL','45'),('1987-10-10','AL','45'),('1987-10-10','AL','91'),('1987-10-10','AL','91'),('1987-10-10','AL','104'),('1987-10-10','AL','104'),('1987-10-10','AL','109'),('1987-10-10','AL','112'),('1987-10-10','AL','112'),('1987-10-10','AL','149'),('1987-10-10','AL','160'),('1987-10-10','AL','165'),('1987-10-10','AL','171'),('1987-10-10','AL','171'),('1987-10-10','AL','176'),('1987-10-10','AL','176'),('1987-10-10','AL','179'),('1987-10-10','AL','215'),('1987-10-10','AL','231'),('1987-10-10','AL','263'),('1987-10-10','AL','268'),('1987-10-10','AL','268'),('1987-10-10','AL','268'),('1987-10-10','AL','287'),('1987-10-10','AL','287'),('1987-10-10','AL','309'),('1987-10-10','AL','309'),('1987-10-10','AL','344'),('1987-10-10','AL','344'),('1987-10-10','AL','357'),('1987-10-10','AL','396'),('1987-10-10','AL','397'),('1987-10-10','AL','397'),('1987-10-10','AL','397'),('1987-10-10','AL','416'),('1987-10-10','AL','417'),('1987-10-10','AL','438'),('1987-10-10','AL','438'),('1987-10-10','AL','451'),('1987-10-10','AL','451'),('1987-10-10','AL','491'),('1987-10-10','AL','491'),('1987-10-10','AL','523'),('1987-10-10','AL','523'),('1987-10-10','AL','525'),('1987-10-10','AL','525'),('1987-10-10','AL','533'),('1987-10-10','AL','546'),('1987-10-10','AL','546'),('1987-10-10','AL','556'),('1987-10-10','AL','556'),('1987-10-10','AL','601'),('1987-10-10','AL','601'),('1987-10-10','AL','627'),('1987-10-10','AL','670'),('1987-10-10','AL','673'),('1987-10-10','AL','680'),('1987-10-10','AL','905'),('1987-10-10','AL','936'),('1987-10-10','AL','966'),('1987-10-11','AA','2'),('1987-10-11','AA','2'),('1987-10-11','AA','2'),('1987-10-11','AA','7'),('1987-10-11','AA','7'),('1987-10-11','AA','26'),('1987-10-11','AA','36'),('1987-10-11','AA','91'),('1987-10-11','AA','101'),('1987-10-11','AA','101'),('1987-10-11','AA','109'),('1987-10-11','AA','109'),('1987-10-11','AA','112'),('1987-10-11','AA','123'),('1987-10-11','AA','160'),('1987-10-11','AA','165'),('1987-10-11','AA','165'),('1987-10-11','AA','165'),('1987-10-11','AA','176'),('1987-10-11','AA','176'),('1987-10-11','AA','176'),('1987-10-11','AA','176'),('1987-10-11','AA','179'),('1987-10-11','AA','179'),('1987-10-11','AA','215'),('1987-10-11','AA','215'),('1987-10-11','AA','231'),('1987-10-11','AA','263'),('1987-10-11','AA','263'),('1987-10-11','AA','268'),('1987-10-11','AA','268'),('1987-10-11','AA','281'),('1987-10-11','AA','287'),('1987-10-11','AA','287'),('1987-10-11','AA','309'),('1987-10-11','AA','309'),('1987-10-11','AA','309'),('1987-10-11','AA','341'),('1987-10-11','AA','344'),('1987-10-11','AA','344'),('1987-10-11','AA','347'),('1987-10-11','AA','347'),('1987-10-11','AA','368'),('1987-10-11','AA','381'),('1987-10-11','AA','381'),('1987-10-11','AA','381'),('1987-10-11','AA','396'),('1987-10-11','AA','396'),('1987-10-11','AA','397'),('1987-10-11','AA','397'),('1987-10-11','AA','417'),('1987-10-11','AA','417'),('1987-10-11','AA','446'),('1987-10-11','AA','451'),('1987-10-11','AA','451'),('1987-10-11','AA','460'),('1987-10-11','AA','460'),('1987-10-11','AA','491'),('1987-10-11','AA','491'),('1987-10-11','AA','504'),('1987-10-11','AA','504'),('1987-10-11','AA','519'),('1987-10-11','AA','519'),('1987-10-11','AA','523'),('1987-10-11','AA','523'),('1987-10-11','AA','525'),('1987-10-11','AA','525'),('1987-10-11','AA','525'),('1987-10-11','AA','533'),('1987-10-11','AA','533'),('1987-10-11','AA','533'),('1987-10-11','AA','546'),('1987-10-11','AA','546'),('1987-10-11','AA','546'),('1987-10-11','AA','546'),('1987-10-11','AA','556'),('1987-10-11','AA','556'),('1987-10-11','AA','556'),('1987-10-11','AA','597'),('1987-10-11','AA','597'),('1987-10-11','AA','597'),('1987-10-11','AA','601'),('1987-10-11','AA','601'),('1987-10-11','AA','627'),('1987-10-11','AA','629'),('1987-10-11','AA','629'),('1987-10-11','AA','670'),('1987-10-11','AA','673'),('1987-10-11','AA','673'),('1987-10-11','AA','680'),('1987-10-11','AA','680'),('1987-10-11','AA','817'),('1987-10-11','AA','817'),('1987-10-11','AA','824'),('1987-10-11','AA','824'),('1987-10-11','AA','824'),('1987-10-11','AA','824'),('1987-10-11','AA','832'),('1987-10-11','AA','832'),('1987-10-11','AA','852'),('1987-10-11','AA','852'),('1987-10-11','AA','866'),('1987-10-11','AA','866'),('1987-10-11','AA','871'),('1987-10-11','AA','871'),('1987-10-11','AA','880'),('1987-10-11','AA','880'),('1987-10-11','AA','880'),('1987-10-11','AA','880'),('1987-10-11','AA','883'),('1987-10-11','AA','883'),('1987-10-11','AA','885'),('1987-10-11','AA','885'),('1987-10-11','AA','885'),('1987-10-11','AA','890'),('1987-10-11','AA','890'),('1987-10-11','AA','893'),('1987-10-11','AA','893'),('1987-10-11','AA','905'),('1987-10-11','AA','905'),('1987-10-11','AA','915'),('1987-10-11','AA','929'),('1987-10-11','AA','929'),('1987-10-11','AA','936'),('1987-10-11','AA','936'),('1987-10-11','AA','937'),('1987-10-11','AA','937'),('1987-10-11','AA','955'),('1987-10-11','AA','955'),('1987-10-11','AA','966'),('1987-10-11','AA','1002'),('1987-10-11','AA','1002'),('1987-10-11','AA','1004'),('1987-10-11','AA','1004'),('1987-10-11','AA','1015'),('1987-10-11','AA','1015'),('1987-10-11','AA','1021'),('1987-10-11','AA','1021'),('1987-10-11','AA','1041'),('1987-10-11','AA','1041'),('1987-10-11','AA','1046'),('1987-10-11','AA','1046'),('1987-10-11','AA','1048'),('1987-10-11','AA','1048'),('1987-10-11','AA','1061'),('1987-10-11','AA','1061'),('1987-10-11','AA','1088'),('1987-10-11','AA','1088'),('1987-10-11','AA','2033'),('1987-10-11','AA','2033'),('1987-10-11','AA','2058'),('1987-10-11','AA','2071'),('1987-10-11','AA','2071'),('1987-10-11','AA','2086'),('1987-10-11','AA','2111'),('1987-10-11','AA','2123'),('1987-10-11','AA','2123'),('1987-10-11','AA','2147'),('1987-10-11','AA','2147'),('1987-10-11','AA','2199'),('1987-10-11','AA','2199'),('1987-10-11','AA','2199'),('1987-10-11','AA','2207'),('1987-10-11','AA','2207'),('1987-10-11','AA','2230'),('1987-10-11','AA','2245'),('1987-10-11','AA','2251'),('1987-10-11','AA','2251'),('1987-10-11','AA','2275'),('1987-10-11','AA','2278'),('1987-10-11','AA','2351'),('1987-10-11','AA','2357'),('1987-10-11','AA','2361'),('1987-10-11','AA','2490'),('1987-10-11','AA','2528'),('1987-10-11','AA','2528'),('1987-10-11','AA','2735'),('1987-10-11','AA','2735'),('1987-10-11','AA','2751'),('1987-10-11','AL','2'),('1987-10-11','AL','2'),('1987-10-11','AL','7'),('1987-10-11','AL','7'),('1987-10-11','AL','26'),('1987-10-11','AL','26'),('1987-10-11','AL','34'),('1987-10-11','AL','34'),('1987-10-11','AL','36'),('1987-10-11','AL','36'),('1987-10-11','AL','45'),('1987-10-11','AL','45'),('1987-10-11','AL','45'),('1987-10-11','AL','91'),('1987-10-11','AL','91'),('1987-10-11','AL','104'),('1987-10-11','AL','104'),('1987-10-11','AL','104'),('1987-10-11','AL','112'),('1987-10-11','AL','123'),('1987-10-11','AL','149'),('1987-10-11','AL','160'),('1987-10-11','AL','160'),('1987-10-11','AL','165'),('1987-10-11','AL','171'),('1987-10-11','AL','171'),('1987-10-11','AL','176'),('1987-10-11','AL','176'),('1987-10-11','AL','179'),('1987-10-11','AL','215'),('1987-10-11','AL','231'),('1987-10-11','AL','263'),('1987-10-11','AL','263'),('1987-10-11','AL','281'),('1987-10-11','AL','281'),('1987-10-11','AL','309'),('1987-10-11','AL','309'),('1987-10-11','AL','341'),('1987-10-11','AL','344'),('1987-10-11','AL','344'),('1987-10-11','AL','357'),('1987-10-11','AL','357'),('1987-10-11','AL','368'),('1987-10-11','AL','396'),('1987-10-11','AL','416'),('1987-10-11','AL','416'),('1987-10-11','AL','417'),('1987-10-11','AL','438'),('1987-10-11','AL','438'),('1987-10-11','AL','446'),('1987-10-11','AL','451'),('1987-10-11','AL','491'),('1987-10-11','AL','491'),('1987-10-11','AL','523'),('1987-10-11','AL','523'),('1987-10-11','AL','523'),('1987-10-11','AL','525'),('1987-10-11','AL','525'),('1987-10-11','AL','533'),('1987-10-11','AL','533'),('1987-10-11','AL','546'),('1987-10-11','AL','546'),('1987-10-11','AL','556'),('1987-10-11','AL','556'),('1987-10-11','AL','601'),('1987-10-11','AL','601'),('1987-10-11','AL','627'),('1987-10-11','AL','629'),('1987-10-11','AL','670'),('1987-10-11','AL','670'),('1987-10-11','AL','670'),('1987-10-11','AL','673'),('1987-10-11','AL','680'),('1987-10-11','AL','937'),('1987-10-11','AL','937'),('1987-10-11','AL','955'),('1987-10-21','AA','2'),('1987-10-21','AA','2'),('1987-10-21','AA','2'),('1987-10-21','AA','7'),('1987-10-21','AA','7'),('1987-10-21','AA','26'),('1987-10-21','AA','34'),('1987-10-21','AA','36'),('1987-10-21','AA','91'),('1987-10-21','AA','101'),('1987-10-21','AA','101'),('1987-10-21','AA','109'),('1987-10-21','AA','109'),('1987-10-21','AA','123'),('1987-10-21','AA','123'),('1987-10-21','AA','160'),('1987-10-21','AA','165'),('1987-10-21','AA','165'),('1987-10-21','AA','165'),('1987-10-21','AA','176'),('1987-10-21','AA','176'),('1987-10-21','AA','176'),('1987-10-21','AA','176'),('1987-10-21','AA','179'),('1987-10-21','AA','179'),('1987-10-21','AA','215'),('1987-10-21','AA','231'),('1987-10-21','AA','231'),('1987-10-21','AA','263'),('1987-10-21','AA','263'),('1987-10-21','AA','268'),('1987-10-21','AA','268'),('1987-10-21','AA','281'),('1987-10-21','AA','287'),('1987-10-21','AA','287'),('1987-10-21','AA','309'),('1987-10-21','AA','309'),('1987-10-21','AA','309'),('1987-10-21','AA','341'),('1987-10-21','AA','344'),('1987-10-21','AA','344'),('1987-10-21','AA','347'),('1987-10-21','AA','347'),('1987-10-21','AA','368'),('1987-10-21','AA','381'),('1987-10-21','AA','381'),('1987-10-21','AA','381'),('1987-10-21','AA','396'),('1987-10-21','AA','396'),('1987-10-21','AA','397'),('1987-10-21','AA','397'),('1987-10-21','AA','417'),('1987-10-21','AA','417'),('1987-10-21','AA','446'),('1987-10-21','AA','451'),('1987-10-21','AA','451'),('1987-10-21','AA','460'),('1987-10-21','AA','460'),('1987-10-21','AA','491'),('1987-10-21','AA','504'),('1987-10-21','AA','504'),('1987-10-21','AA','519'),('1987-10-21','AA','519'),('1987-10-21','AA','523'),('1987-10-21','AA','523'),('1987-10-21','AA','525'),('1987-10-21','AA','525'),('1987-10-21','AA','525'),('1987-10-21','AA','533'),('1987-10-21','AA','533'),('1987-10-21','AA','533'),('1987-10-21','AA','546'),('1987-10-21','AA','546'),('1987-10-21','AA','546'),('1987-10-21','AA','546'),('1987-10-21','AA','556'),('1987-10-21','AA','556'),('1987-10-21','AA','556'),('1987-10-21','AA','597'),('1987-10-21','AA','597'),('1987-10-21','AA','597'),('1987-10-21','AA','601'),('1987-10-21','AA','601'),('1987-10-21','AA','627'),('1987-10-21','AA','629'),('1987-10-21','AA','629'),('1987-10-21','AA','673'),('1987-10-21','AA','673'),('1987-10-21','AA','680'),('1987-10-21','AA','680'),('1987-10-21','AA','817'),('1987-10-21','AA','817'),('1987-10-21','AA','824'),('1987-10-21','AA','824'),('1987-10-21','AA','824'),('1987-10-21','AA','832'),('1987-10-21','AA','832'),('1987-10-21','AA','852'),('1987-10-21','AA','866'),('1987-10-21','AA','866'),('1987-10-21','AA','871'),('1987-10-21','AA','871'),('1987-10-21','AA','880'),('1987-10-21','AA','880'),('1987-10-21','AA','880'),('1987-10-21','AA','880'),('1987-10-21','AA','883'),('1987-10-21','AA','883'),('1987-10-21','AA','885'),('1987-10-21','AA','885'),('1987-10-21','AA','885'),('1987-10-21','AA','890'),('1987-10-21','AA','890'),('1987-10-21','AA','893'),('1987-10-21','AA','893'),('1987-10-21','AA','905'),('1987-10-21','AA','905'),('1987-10-21','AA','915'),('1987-10-21','AA','929'),('1987-10-21','AA','929'),('1987-10-21','AA','936'),('1987-10-21','AA','936'),('1987-10-21','AA','937'),('1987-10-21','AA','1002'),('1987-10-21','AA','1002'),('1987-10-21','AA','1004'),('1987-10-21','AA','1004'),('1987-10-21','AA','1015'),('1987-10-21','AA','1021'),('1987-10-21','AA','1021'),('1987-10-21','AA','1041'),('1987-10-21','AA','1041'),('1987-10-21','AA','1046'),('1987-10-21','AA','1046'),('1987-10-21','AA','1048'),('1987-10-21','AA','1048'),('1987-10-21','AA','1061'),('1987-10-21','AA','1061'),('1987-10-21','AA','1088'),('1987-10-21','AA','1088'),('1987-10-21','AA','2033'),('1987-10-21','AA','2033'),('1987-10-21','AA','2050'),('1987-10-21','AA','2071'),('1987-10-21','AA','2086'),('1987-10-21','AA','2105'),('1987-10-21','AA','2111'),('1987-10-21','AA','2123'),('1987-10-21','AA','2123'),('1987-10-21','AA','2147'),('1987-10-21','AA','2147'),('1987-10-21','AA','2199'),('1987-10-21','AA','2199'),('1987-10-21','AA','2207'),('1987-10-21','AA','2207'),('1987-10-21','AA','2217'),('1987-10-21','AA','2230'),('1987-10-21','AA','2245'),('1987-10-21','AA','2251'),('1987-10-21','AA','2251'),('1987-10-21','AA','2275'),('1987-10-21','AA','2278'),('1987-10-21','AA','2351'),('1987-10-21','AA','2357'),('1987-10-21','AA','2361'),('1987-10-21','AA','2490'),('1987-10-21','AA','2528'),('1987-10-21','AA','2528'),('1987-10-21','AA','2735'),('1987-10-21','AA','2735'),('1987-10-21','AA','2751'),('1987-10-21','AL','2'),('1987-10-21','AL','2'),('1987-10-21','AL','7'),('1987-10-21','AL','7'),('1987-10-21','AL','26'),('1987-10-21','AL','26'),('1987-10-21','AL','34'),('1987-10-21','AL','34'),('1987-10-21','AL','36'),('1987-10-21','AL','36'),('1987-10-21','AL','45'),('1987-10-21','AL','45'),('1987-10-21','AL','45'),('1987-10-21','AL','91'),('1987-10-21','AL','91'),('1987-10-21','AL','104'),('1987-10-21','AL','104'),('1987-10-21','AL','104'),('1987-10-21','AL','109'),('1987-10-21','AL','112'),('1987-10-21','AL','112'),('1987-10-21','AL','123'),('1987-10-21','AL','149'),('1987-10-21','AL','160'),('1987-10-21','AL','160'),('1987-10-21','AL','165'),('1987-10-21','AL','171'),('1987-10-21','AL','171'),('1987-10-21','AL','176'),('1987-10-21','AL','176'),('1987-10-21','AL','179'),('1987-10-21','AL','215'),('1987-10-21','AL','263'),('1987-10-21','AL','263'),('1987-10-21','AL','268'),('1987-10-21','AL','268'),('1987-10-21','AL','268'),('1987-10-21','AL','281'),('1987-10-21','AL','281'),('1987-10-21','AL','287'),('1987-10-21','AL','287'),('1987-10-21','AL','309'),('1987-10-21','AL','309'),('1987-10-21','AL','341'),('1987-10-21','AL','344'),('1987-10-21','AL','344'),('1987-10-21','AL','357'),('1987-10-21','AL','357'),('1987-10-21','AL','368'),('1987-10-21','AL','381'),('1987-10-21','AL','396'),('1987-10-21','AL','397'),('1987-10-21','AL','397'),('1987-10-21','AL','416'),('1987-10-21','AL','416'),('1987-10-21','AL','417'),('1987-10-21','AL','438'),('1987-10-21','AL','438'),('1987-10-21','AL','446'),('1987-10-21','AL','451'),('1987-10-21','AL','451'),('1987-10-21','AL','491'),('1987-10-21','AL','491'),('1987-10-21','AL','523'),('1987-10-21','AL','523'),('1987-10-21','AL','523'),('1987-10-21','AL','525'),('1987-10-21','AL','525'),('1987-10-21','AL','533'),('1987-10-21','AL','533'),('1987-10-21','AL','546'),('1987-10-21','AL','546'),('1987-10-21','AL','556'),('1987-10-21','AL','556'),('1987-10-21','AL','601'),('1987-10-21','AL','601'),('1987-10-21','AL','627'),('1987-10-21','AL','629'),('1987-10-21','AL','670'),('1987-10-21','AL','670'),('1987-10-21','AL','670'),('1987-10-21','AL','673'),('1987-10-21','AL','680'),('1987-10-22','AA','2'),('1987-10-22','AA','2'),('1987-10-22','AA','2'),('1987-10-22','AA','7'),('1987-10-22','AA','7'),('1987-10-22','AA','26'),('1987-10-22','AA','34'),('1987-10-22','AA','36'),('1987-10-22','AA','91'),('1987-10-22','AA','101'),('1987-10-22','AA','101'),('1987-10-22','AA','109'),('1987-10-22','AA','109'),('1987-10-22','AA','112'),('1987-10-22','AA','123'),('1987-10-22','AA','123'),('1987-10-22','AA','160'),('1987-10-22','AA','165'),('1987-10-22','AA','165'),('1987-10-22','AA','165'),('1987-10-22','AA','176'),('1987-10-22','AA','176'),('1987-10-22','AA','176'),('1987-10-22','AA','179'),('1987-10-22','AA','215'),('1987-10-22','AA','215'),('1987-10-22','AA','231'),('1987-10-22','AA','231'),('1987-10-22','AA','263'),('1987-10-22','AA','263'),('1987-10-22','AA','268'),('1987-10-22','AA','268'),('1987-10-22','AA','281'),('1987-10-22','AA','287'),('1987-10-22','AA','287'),('1987-10-22','AA','309'),('1987-10-22','AA','309'),('1987-10-22','AA','309'),('1987-10-22','AA','341'),('1987-10-22','AA','344'),('1987-10-22','AA','344'),('1987-10-22','AA','347'),('1987-10-22','AA','368'),('1987-10-22','AA','381'),('1987-10-22','AA','381'),('1987-10-22','AA','381'),('1987-10-22','AA','396'),('1987-10-22','AA','396'),('1987-10-22','AA','397'),('1987-10-22','AA','397'),('1987-10-22','AA','417'),('1987-10-22','AA','417'),('1987-10-22','AA','446'),('1987-10-22','AA','451'),('1987-10-22','AA','451'),('1987-10-22','AA','460'),('1987-10-22','AA','460'),('1987-10-22','AA','491'),('1987-10-22','AA','504'),('1987-10-22','AA','519'),('1987-10-22','AA','519'),('1987-10-22','AA','523'),('1987-10-22','AA','523'),('1987-10-22','AA','525'),('1987-10-22','AA','525'),('1987-10-22','AA','533'),('1987-10-22','AA','533'),('1987-10-22','AA','533'),('1987-10-22','AA','546'),('1987-10-22','AA','546'),('1987-10-22','AA','546'),('1987-10-22','AA','546'),('1987-10-22','AA','556'),('1987-10-22','AA','556'),('1987-10-22','AA','556'),('1987-10-22','AA','597'),('1987-10-22','AA','597'),('1987-10-22','AA','597'),('1987-10-22','AA','601'),('1987-10-22','AA','601'),('1987-10-22','AA','627'),('1987-10-22','AA','629'),('1987-10-22','AA','629'),('1987-10-22','AA','673'),('1987-10-22','AA','673'),('1987-10-22','AA','680'),('1987-10-22','AA','680'),('1987-10-22','AA','817'),('1987-10-22','AA','817'),('1987-10-22','AA','824'),('1987-10-22','AA','824'),('1987-10-22','AA','824'),('1987-10-22','AA','832'),('1987-10-22','AA','832'),('1987-10-22','AA','852'),('1987-10-22','AA','852'),('1987-10-22','AA','866'),('1987-10-22','AA','866'),('1987-10-22','AA','871'),('1987-10-22','AA','871'),('1987-10-22','AA','880'),('1987-10-22','AA','880'),('1987-10-22','AA','880'),('1987-10-22','AA','880'),('1987-10-22','AA','883'),('1987-10-22','AA','883'),('1987-10-22','AA','885'),('1987-10-22','AA','885'),('1987-10-22','AA','885'),('1987-10-22','AA','890'),('1987-10-22','AA','890'),('1987-10-22','AA','893'),('1987-10-22','AA','893'),('1987-10-22','AA','905'),('1987-10-22','AA','905'),('1987-10-22','AA','915'),('1987-10-22','AA','929'),('1987-10-22','AA','929'),('1987-10-22','AA','936'),('1987-10-22','AA','936'),('1987-10-22','AA','937'),('1987-10-22','AA','937'),('1987-10-22','AA','955'),('1987-10-22','AA','955'),('1987-10-22','AA','1002'),('1987-10-22','AA','1002'),('1987-10-22','AA','1004'),('1987-10-22','AA','1015'),('1987-10-22','AA','1015'),('1987-10-22','AA','1021'),('1987-10-22','AA','1021'),('1987-10-22','AA','1041'),('1987-10-22','AA','1041'),('1987-10-22','AA','1046'),('1987-10-22','AA','1046'),('1987-10-22','AA','1048'),('1987-10-22','AA','1048'),('1987-10-22','AA','1061'),('1987-10-22','AA','1061'),('1987-10-22','AA','1088'),('1987-10-22','AA','1088'),('1987-10-22','AA','2033'),('1987-10-22','AA','2058'),('1987-10-22','AA','2071'),('1987-10-22','AA','2071'),('1987-10-22','AA','2086'),('1987-10-22','AA','2105'),('1987-10-22','AA','2111'),('1987-10-22','AA','2147'),('1987-10-22','AA','2147'),('1987-10-22','AA','2199'),('1987-10-22','AA','2207'),('1987-10-22','AA','2207'),('1987-10-22','AA','2217'),('1987-10-22','AA','2230'),('1987-10-22','AA','2245'),('1987-10-22','AA','2251'),('1987-10-22','AA','2251'),('1987-10-22','AA','2275'),('1987-10-22','AA','2278'),('1987-10-22','AA','2351'),('1987-10-22','AA','2357'),('1987-10-22','AA','2361'),('1987-10-22','AA','2490'),('1987-10-22','AA','2528'),('1987-10-22','AA','2528'),('1987-10-22','AA','2735'),('1987-10-22','AA','2735'),('1987-10-22','AA','2751'),('1987-10-22','AL','2'),('1987-10-22','AL','2'),('1987-10-22','AL','7'),('1987-10-22','AL','7'),('1987-10-22','AL','26'),('1987-10-22','AL','26'),('1987-10-22','AL','34'),('1987-10-22','AL','34'),('1987-10-22','AL','36'),('1987-10-22','AL','36'),('1987-10-22','AL','45'),('1987-10-22','AL','45'),('1987-10-22','AL','45'),('1987-10-22','AL','91'),('1987-10-22','AL','91'),('1987-10-22','AL','104'),('1987-10-22','AL','104'),('1987-10-22','AL','104'),('1987-10-22','AL','109'),('1987-10-22','AL','112'),('1987-10-22','AL','112'),('1987-10-22','AL','123'),('1987-10-22','AL','149'),('1987-10-22','AL','160'),('1987-10-22','AL','160'),('1987-10-22','AL','165'),('1987-10-22','AL','171'),('1987-10-22','AL','171'),('1987-10-22','AL','176'),('1987-10-22','AL','176'),('1987-10-22','AL','179'),('1987-10-22','AL','215'),('1987-10-22','AL','231'),('1987-10-22','AL','263'),('1987-10-22','AL','263'),('1987-10-22','AL','268'),('1987-10-22','AL','268'),('1987-10-22','AL','268'),('1987-10-22','AL','281'),('1987-10-22','AL','281'),('1987-10-22','AL','287'),('1987-10-22','AL','287'),('1987-10-22','AL','309'),('1987-10-22','AL','309'),('1987-10-22','AL','341'),('1987-10-22','AL','344'),('1987-10-22','AL','344'),('1987-10-22','AL','357'),('1987-10-22','AL','357'),('1987-10-22','AL','368'),('1987-10-22','AL','381'),('1987-10-22','AL','396'),('1987-10-22','AL','397'),('1987-10-22','AL','397'),('1987-10-22','AL','416'),('1987-10-22','AL','417'),('1987-10-22','AL','438'),('1987-10-22','AL','438'),('1987-10-22','AL','446'),('1987-10-22','AL','451'),('1987-10-22','AL','451'),('1987-10-22','AL','491'),('1987-10-22','AL','491'),('1987-10-22','AL','523'),('1987-10-22','AL','523'),('1987-10-22','AL','523'),('1987-10-22','AL','525'),('1987-10-22','AL','525'),('1987-10-22','AL','533'),('1987-10-22','AL','533'),('1987-10-22','AL','546'),('1987-10-22','AL','546'),('1987-10-22','AL','556'),('1987-10-22','AL','556'),('1987-10-22','AL','601'),('1987-10-22','AL','601'),('1987-10-22','AL','627'),('1987-10-22','AL','629'),('1987-10-22','AL','670'),('1987-10-22','AL','670'),('1987-10-22','AL','670'),('1987-10-22','AL','673'),('1987-10-22','AL','680'),('1987-10-23','AA','2'),('1987-10-23','AA','2'),('1987-10-23','AA','2'),('1987-10-23','AA','7'),('1987-10-23','AA','7'),('1987-10-23','AA','26'),('1987-10-23','AA','34'),('1987-10-23','AA','36'),('1987-10-23','AA','91'),('1987-10-23','AA','101'),('1987-10-23','AA','109'),('1987-10-23','AA','109'),('1987-10-23','AA','112'),('1987-10-23','AA','123'),('1987-10-23','AA','123'),('1987-10-23','AA','160'),('1987-10-23','AA','165'),('1987-10-23','AA','165'),('1987-10-23','AA','165'),('1987-10-23','AA','176'),('1987-10-23','AA','176'),('1987-10-23','AA','176'),('1987-10-23','AA','176'),('1987-10-23','AA','179'),('1987-10-23','AA','179'),('1987-10-23','AA','215'),('1987-10-23','AA','215'),('1987-10-23','AA','231'),('1987-10-23','AA','231'),('1987-10-23','AA','263'),('1987-10-23','AA','263'),('1987-10-23','AA','268'),('1987-10-23','AA','268'),('1987-10-23','AA','281'),('1987-10-23','AA','287'),('1987-10-23','AA','287'),('1987-10-23','AA','309'),('1987-10-23','AA','309'),('1987-10-23','AA','309'),('1987-10-23','AA','341'),('1987-10-23','AA','344'),('1987-10-23','AA','344'),('1987-10-23','AA','347'),('1987-10-23','AA','368'),('1987-10-23','AA','381'),('1987-10-23','AA','381'),('1987-10-23','AA','381'),('1987-10-23','AA','396'),('1987-10-23','AA','396'),('1987-10-23','AA','397'),('1987-10-23','AA','397'),('1987-10-23','AA','417'),('1987-10-23','AA','417'),('1987-10-23','AA','446'),('1987-10-23','AA','451'),('1987-10-23','AA','451'),('1987-10-23','AA','460'),('1987-10-23','AA','491'),('1987-10-23','AA','504'),('1987-10-23','AA','504'),('1987-10-23','AA','519'),('1987-10-23','AA','519'),('1987-10-23','AA','523'),('1987-10-23','AA','523'),('1987-10-23','AA','525'),('1987-10-23','AA','533'),('1987-10-23','AA','533'),('1987-10-23','AA','533'),('1987-10-23','AA','546'),('1987-10-23','AA','546'),('1987-10-23','AA','546'),('1987-10-23','AA','546'),('1987-10-23','AA','556'),('1987-10-23','AA','556'),('1987-10-23','AA','556'),('1987-10-23','AA','597'),('1987-10-23','AA','597'),('1987-10-23','AA','601'),('1987-10-23','AA','601'),('1987-10-23','AA','627'),('1987-10-23','AA','629'),('1987-10-23','AA','629'),('1987-10-23','AA','673'),('1987-10-23','AA','680'),('1987-10-23','AA','680'),('1987-10-23','AA','817'),('1987-10-23','AA','817'),('1987-10-23','AA','824'),('1987-10-23','AA','824'),('1987-10-23','AA','824'),('1987-10-23','AA','824'),('1987-10-23','AA','832'),('1987-10-23','AA','832'),('1987-10-23','AA','852'),('1987-10-23','AA','866'),('1987-10-23','AA','866'),('1987-10-23','AA','871'),('1987-10-23','AA','871'),('1987-10-23','AA','880'),('1987-10-23','AA','880'),('1987-10-23','AA','880'),('1987-10-23','AA','880'),('1987-10-23','AA','883'),('1987-10-23','AA','883'),('1987-10-23','AA','885'),('1987-10-23','AA','885'),('1987-10-23','AA','885'),('1987-10-23','AA','890'),('1987-10-23','AA','890'),('1987-10-23','AA','893'),('1987-10-23','AA','893'),('1987-10-23','AA','905'),('1987-10-23','AA','905'),('1987-10-23','AA','929'),('1987-10-23','AA','929'),('1987-10-23','AA','936'),('1987-10-23','AA','936'),('1987-10-23','AA','937'),('1987-10-23','AA','937'),('1987-10-23','AA','955'),('1987-10-23','AA','955'),('1987-10-23','AA','966'),('1987-10-23','AA','1002'),('1987-10-23','AA','1002'),('1987-10-23','AA','1004'),('1987-10-23','AA','1004'),('1987-10-23','AA','1015'),('1987-10-23','AA','1015'),('1987-10-23','AA','1021'),('1987-10-23','AA','1021'),('1987-10-23','AA','1041'),('1987-10-23','AA','1041'),('1987-10-23','AA','1046'),('1987-10-23','AA','1048'),('1987-10-23','AA','1048'),('1987-10-23','AA','1061'),('1987-10-23','AA','1061'),('1987-10-23','AA','1088'),('1987-10-23','AA','1088'),('1987-10-23','AA','2033'),('1987-10-23','AA','2033'),('1987-10-23','AA','2050'),('1987-10-23','AA','2058'),('1987-10-23','AA','2071'),('1987-10-23','AA','2071'),('1987-10-23','AA','2086'),('1987-10-23','AA','2105'),('1987-10-23','AA','2111'),('1987-10-23','AA','2123'),('1987-10-23','AA','2123'),('1987-10-23','AA','2147'),('1987-10-23','AA','2147'),('1987-10-23','AA','2199'),('1987-10-23','AA','2199'),('1987-10-23','AA','2199'),('1987-10-23','AA','2207'),('1987-10-23','AA','2207'),('1987-10-23','AA','2245'),('1987-10-23','AA','2251'),('1987-10-23','AA','2275'),('1987-10-23','AA','2278'),('1987-10-23','AA','2351'),('1987-10-23','AA','2357'),('1987-10-23','AA','2361'),('1987-10-23','AA','2490'),('1987-10-23','AA','2528'),('1987-10-23','AA','2528'),('1987-10-23','AA','2735'),('1987-10-23','AA','2735'),('1987-10-23','AA','2751'),('1987-10-23','AL','2'),('1987-10-23','AL','2'),('1987-10-23','AL','7'),('1987-10-23','AL','7'),('1987-10-23','AL','26'),('1987-10-23','AL','26'),('1987-10-23','AL','34'),('1987-10-23','AL','34'),('1987-10-23','AL','36'),('1987-10-23','AL','36'),('1987-10-23','AL','45'),('1987-10-23','AL','45'),('1987-10-23','AL','45'),('1987-10-23','AL','91'),('1987-10-23','AL','91'),('1987-10-23','AL','104'),('1987-10-23','AL','104'),('1987-10-23','AL','104'),('1987-10-23','AL','109'),('1987-10-23','AL','112'),('1987-10-23','AL','112'),('1987-10-23','AL','123'),('1987-10-23','AL','149'),('1987-10-23','AL','160'),('1987-10-23','AL','160'),('1987-10-23','AL','165'),('1987-10-23','AL','171'),('1987-10-23','AL','176'),('1987-10-23','AL','176'),('1987-10-23','AL','179'),('1987-10-23','AL','215'),('1987-10-23','AL','231'),('1987-10-23','AL','263'),('1987-10-23','AL','263'),('1987-10-23','AL','268'),('1987-10-23','AL','268'),('1987-10-23','AL','268'),('1987-10-23','AL','281'),('1987-10-23','AL','281'),('1987-10-23','AL','287'),('1987-10-23','AL','287'),('1987-10-23','AL','309'),('1987-10-23','AL','309'),('1987-10-23','AL','341'),('1987-10-23','AL','344'),('1987-10-23','AL','344'),('1987-10-23','AL','357'),('1987-10-23','AL','357'),('1987-10-23','AL','368'),('1987-10-23','AL','381'),('1987-10-23','AL','396'),('1987-10-23','AL','397'),('1987-10-23','AL','397'),('1987-10-23','AL','416'),('1987-10-23','AL','416'),('1987-10-23','AL','417'),('1987-10-23','AL','438'),('1987-10-23','AL','438'),('1987-10-23','AL','446'),('1987-10-23','AL','451'),('1987-10-23','AL','451'),('1987-10-23','AL','491'),('1987-10-23','AL','491'),('1987-10-23','AL','523'),('1987-10-23','AL','523'),('1987-10-23','AL','523'),('1987-10-23','AL','525'),('1987-10-23','AL','525'),('1987-10-23','AL','533'),('1987-10-23','AL','533'),('1987-10-23','AL','546'),('1987-10-23','AL','546'),('1987-10-23','AL','556'),('1987-10-23','AL','556'),('1987-10-23','AL','601'),('1987-10-23','AL','601'),('1987-10-23','AL','627'),('1987-10-23','AL','629'),('1987-10-23','AL','670'),('1987-10-23','AL','670'),('1987-10-23','AL','670'),('1987-10-23','AL','673'),('1987-10-23','AL','680'),('1987-10-24','AA','2'),('1987-10-24','AA','2'),('1987-10-24','AA','7'),('1987-10-24','AA','7'),('1987-10-24','AA','26'),('1987-10-24','AA','34'),('1987-10-24','AA','36'),('1987-10-24','AA','91'),('1987-10-24','AA','101'),('1987-10-24','AA','101'),('1987-10-24','AA','109'),('1987-10-24','AA','109'),('1987-10-24','AA','112'),('1987-10-24','AA','123'),('1987-10-24','AA','123'),('1987-10-24','AA','160'),('1987-10-24','AA','165'),('1987-10-24','AA','165'),('1987-10-24','AA','165'),('1987-10-24','AA','176'),('1987-10-24','AA','176'),('1987-10-24','AA','176'),('1987-10-24','AA','179'),('1987-10-24','AA','179'),('1987-10-24','AA','215'),('1987-10-24','AA','215'),('1987-10-24','AA','231'),('1987-10-24','AA','263'),('1987-10-24','AA','263'),('1987-10-24','AA','268'),('1987-10-24','AA','268'),('1987-10-24','AA','281'),('1987-10-24','AA','287'),('1987-10-24','AA','287'),('1987-10-24','AA','309'),('1987-10-24','AA','309'),('1987-10-24','AA','309'),('1987-10-24','AA','344'),('1987-10-24','AA','344'),('1987-10-24','AA','347'),('1987-10-24','AA','347'),('1987-10-24','AA','368'),('1987-10-24','AA','381'),('1987-10-24','AA','381'),('1987-10-24','AA','381'),('1987-10-24','AA','396'),('1987-10-24','AA','396'),('1987-10-24','AA','397'),('1987-10-24','AA','397'),('1987-10-24','AA','417'),('1987-10-24','AA','417'),('1987-10-24','AA','446'),('1987-10-24','AA','451'),('1987-10-24','AA','451'),('1987-10-24','AA','460'),('1987-10-24','AA','460'),('1987-10-24','AA','491'),('1987-10-24','AA','491'),('1987-10-24','AA','504'),('1987-10-24','AA','504'),('1987-10-24','AA','519'),('1987-10-24','AA','519'),('1987-10-24','AA','523'),('1987-10-24','AA','523'),('1987-10-24','AA','525'),('1987-10-24','AA','525'),('1987-10-24','AA','525'),('1987-10-24','AA','533'),('1987-10-24','AA','533'),('1987-10-24','AA','546'),('1987-10-24','AA','546'),('1987-10-24','AA','546'),('1987-10-24','AA','556'),('1987-10-24','AA','556'),('1987-10-24','AA','556'),('1987-10-24','AA','597'),('1987-10-24','AA','597'),('1987-10-24','AA','597'),('1987-10-24','AA','601'),('1987-10-24','AA','601'),('1987-10-24','AA','627'),('1987-10-24','AA','629'),('1987-10-24','AA','673'),('1987-10-24','AA','673'),('1987-10-24','AA','680'),('1987-10-24','AA','680'),('1987-10-24','AA','817'),('1987-10-24','AA','817'),('1987-10-24','AA','824'),('1987-10-24','AA','824'),('1987-10-24','AA','824'),('1987-10-24','AA','832'),('1987-10-24','AA','832'),('1987-10-24','AA','852'),('1987-10-24','AA','852'),('1987-10-24','AA','866'),('1987-10-24','AA','866'),('1987-10-24','AA','871'),('1987-10-24','AA','871'),('1987-10-24','AA','880'),('1987-10-24','AA','880'),('1987-10-24','AA','880'),('1987-10-24','AA','880'),('1987-10-24','AA','883'),('1987-10-24','AA','883'),('1987-10-24','AA','885'),('1987-10-24','AA','885'),('1987-10-24','AA','885'),('1987-10-24','AA','890'),('1987-10-24','AA','890'),('1987-10-24','AA','893'),('1987-10-24','AA','893'),('1987-10-24','AA','905'),('1987-10-24','AA','905'),('1987-10-24','AA','915'),('1987-10-24','AA','929'),('1987-10-24','AA','929'),('1987-10-24','AA','936'),('1987-10-24','AA','936'),('1987-10-24','AA','937'),('1987-10-24','AA','937'),('1987-10-24','AA','955'),('1987-10-24','AA','955'),('1987-10-24','AA','966'),('1987-10-24','AA','1002'),('1987-10-24','AA','1002'),('1987-10-24','AA','1004'),('1987-10-24','AA','1004'),('1987-10-24','AA','1015'),('1987-10-24','AA','1021'),('1987-10-24','AA','1021'),('1987-10-24','AA','1041'),('1987-10-24','AA','1041'),('1987-10-24','AA','1046'),('1987-10-24','AA','1046'),('1987-10-24','AA','1048'),('1987-10-24','AA','1048'),('1987-10-24','AA','1061'),('1987-10-24','AA','1061'),('1987-10-24','AA','1088'),('1987-10-24','AA','1088'),('1987-10-24','AA','2033'),('1987-10-24','AA','2033'),('1987-10-24','AA','2050'),('1987-10-24','AA','2058'),('1987-10-24','AA','2071'),('1987-10-24','AA','2071'),('1987-10-24','AA','2086'),('1987-10-24','AA','2105'),('1987-10-24','AA','2111'),('1987-10-24','AA','2123'),('1987-10-24','AA','2147'),('1987-10-24','AA','2199'),('1987-10-24','AA','2199'),('1987-10-24','AA','2207'),('1987-10-24','AA','2217'),('1987-10-24','AA','2230'),('1987-10-24','AA','2245'),('1987-10-24','AA','2251'),('1987-10-24','AA','2251'),('1987-10-24','AA','2275'),('1987-10-24','AA','2278'),('1987-10-24','AA','2351'),('1987-10-24','AA','2357'),('1987-10-24','AA','2361'),('1987-10-24','AA','2490'),('1987-10-24','AA','2528'),('1987-10-24','AA','2528'),('1987-10-24','AA','2735'),('1987-10-24','AA','2735'),('1987-10-24','AL','2'),('1987-10-24','AL','2'),('1987-10-24','AL','7'),('1987-10-24','AL','7'),('1987-10-24','AL','26'),('1987-10-24','AL','26'),('1987-10-24','AL','34'),('1987-10-24','AL','34'),('1987-10-24','AL','36'),('1987-10-24','AL','36'),('1987-10-24','AL','45'),('1987-10-24','AL','91'),('1987-10-24','AL','91'),('1987-10-24','AL','104'),('1987-10-24','AL','104'),('1987-10-24','AL','109'),('1987-10-24','AL','112'),('1987-10-24','AL','112'),('1987-10-24','AL','149'),('1987-10-24','AL','160'),('1987-10-24','AL','160'),('1987-10-24','AL','165'),('1987-10-24','AL','171'),('1987-10-24','AL','171'),('1987-10-24','AL','176'),('1987-10-24','AL','176'),('1987-10-24','AL','179'),('1987-10-24','AL','215'),('1987-10-24','AL','231'),('1987-10-24','AL','263'),('1987-10-24','AL','268'),('1987-10-24','AL','268'),('1987-10-24','AL','268'),('1987-10-24','AL','287'),('1987-10-24','AL','287'),('1987-10-24','AL','309'),('1987-10-24','AL','309'),('1987-10-24','AL','344'),('1987-10-24','AL','344'),('1987-10-24','AL','357'),('1987-10-24','AL','357'),('1987-10-24','AL','381'),('1987-10-24','AL','396'),('1987-10-24','AL','397'),('1987-10-24','AL','397'),('1987-10-24','AL','397'),('1987-10-24','AL','416'),('1987-10-24','AL','417'),('1987-10-24','AL','438'),('1987-10-24','AL','438'),('1987-10-24','AL','451'),('1987-10-24','AL','451'),('1987-10-24','AL','491'),('1987-10-24','AL','491'),('1987-10-24','AL','523'),('1987-10-24','AL','523'),('1987-10-24','AL','525'),('1987-10-24','AL','525'),('1987-10-24','AL','533'),('1987-10-24','AL','546'),('1987-10-24','AL','546'),('1987-10-24','AL','556'),('1987-10-24','AL','556'),('1987-10-24','AL','601'),('1987-10-24','AL','601'),('1987-10-24','AL','627'),('1987-10-24','AL','670'),('1987-10-24','AL','673'),('1987-10-24','AL','680'),('1987-10-24','AL','905'),('1987-10-24','AL','936'),('1987-10-24','AL','966'),('1987-10-24','AL','982'),('1987-10-25','AA','2'),('1987-10-25','AA','2'),('1987-10-25','AA','2'),('1987-10-25','AA','7'),('1987-10-25','AA','7'),('1987-10-25','AA','26'),('1987-10-25','AA','34'),('1987-10-25','AA','36'),('1987-10-25','AA','91'),('1987-10-25','AA','101'),('1987-10-25','AA','109'),('1987-10-25','AA','109'),('1987-10-25','AA','123'),('1987-10-25','AA','123'),('1987-10-25','AA','160'),('1987-10-25','AA','165'),('1987-10-25','AA','165'),('1987-10-25','AA','165'),('1987-10-25','AA','176'),('1987-10-25','AA','176'),('1987-10-25','AA','176'),('1987-10-25','AA','176'),('1987-10-25','AA','179'),('1987-10-25','AA','179'),('1987-10-25','AA','215'),('1987-10-25','AA','215'),('1987-10-25','AA','231'),('1987-10-25','AA','231'),('1987-10-25','AA','263'),('1987-10-25','AA','263'),('1987-10-25','AA','268'),('1987-10-25','AA','268'),('1987-10-25','AA','281'),('1987-10-25','AA','287'),('1987-10-25','AA','287'),('1987-10-25','AA','309'),('1987-10-25','AA','309'),('1987-10-25','AA','309'),('1987-10-25','AA','341'),('1987-10-25','AA','344'),('1987-10-25','AA','344'),('1987-10-25','AA','347'),('1987-10-25','AA','347'),('1987-10-25','AA','368'),('1987-10-25','AA','381'),('1987-10-25','AA','381'),('1987-10-25','AA','396'),('1987-10-25','AA','397'),('1987-10-25','AA','397'),('1987-10-25','AA','417'),('1987-10-25','AA','417'),('1987-10-25','AA','446'),('1987-10-25','AA','451'),('1987-10-25','AA','460'),('1987-10-25','AA','460'),('1987-10-25','AA','491'),('1987-10-25','AA','491'),('1987-10-25','AA','504'),('1987-10-25','AA','504'),('1987-10-25','AA','519'),('1987-10-25','AA','519'),('1987-10-25','AA','523'),('1987-10-25','AA','523'),('1987-10-25','AA','525'),('1987-10-25','AA','525'),('1987-10-25','AA','525'),('1987-10-25','AA','533'),('1987-10-25','AA','533'),('1987-10-25','AA','533'),('1987-10-25','AA','546'),('1987-10-25','AA','546'),('1987-10-25','AA','546'),('1987-10-25','AA','546'),('1987-10-25','AA','556'),('1987-10-25','AA','556'),('1987-10-25','AA','556'),('1987-10-25','AA','597'),('1987-10-25','AA','597'),('1987-10-25','AA','597'),('1987-10-25','AA','601'),('1987-10-25','AA','627'),('1987-10-25','AA','629'),('1987-10-25','AA','629'),('1987-10-25','AA','670'),('1987-10-25','AA','673'),('1987-10-25','AA','673'),('1987-10-25','AA','680'),('1987-10-25','AA','680'),('1987-10-25','AA','817'),('1987-10-25','AA','817'),('1987-10-25','AA','824'),('1987-10-25','AA','824'),('1987-10-25','AA','824'),('1987-10-25','AA','824'),('1987-10-25','AA','832'),('1987-10-25','AA','832'),('1987-10-25','AA','852'),('1987-10-25','AA','852'),('1987-10-25','AA','866'),('1987-10-25','AA','866'),('1987-10-25','AA','871'),('1987-10-25','AA','871'),('1987-10-25','AA','880'),('1987-10-25','AA','880'),('1987-10-25','AA','880'),('1987-10-25','AA','880'),('1987-10-25','AA','883'),('1987-10-25','AA','883'),('1987-10-25','AA','885'),('1987-10-25','AA','885'),('1987-10-25','AA','885'),('1987-10-25','AA','890'),('1987-10-25','AA','893'),('1987-10-25','AA','893'),('1987-10-25','AA','905'),('1987-10-25','AA','905'),('1987-10-25','AA','915'),('1987-10-25','AA','929'),('1987-10-25','AA','929'),('1987-10-25','AA','936'),('1987-10-25','AA','936'),('1987-10-25','AA','937'),('1987-10-25','AA','937'),('1987-10-25','AA','955'),('1987-10-25','AA','955'),('1987-10-25','AA','1002'),('1987-10-25','AA','1002'),('1987-10-25','AA','1004'),('1987-10-25','AA','1004'),('1987-10-25','AA','1015'),('1987-10-25','AA','1015'),('1987-10-25','AA','1021'),('1987-10-25','AA','1021'),('1987-10-25','AA','1041'),('1987-10-25','AA','1041'),('1987-10-25','AA','1046'),('1987-10-25','AA','1046'),('1987-10-25','AA','1048'),('1987-10-25','AA','1048'),('1987-10-25','AA','1061'),('1987-10-25','AA','1061'),('1987-10-25','AA','1088'),('1987-10-25','AA','1088'),('1987-10-25','AA','2033'),('1987-10-25','AA','2033'),('1987-10-25','AA','2050'),('1987-10-25','AA','2058'),('1987-10-25','AA','2071'),('1987-10-25','AA','2071'),('1987-10-25','AA','2086'),('1987-10-25','AA','2111'),('1987-10-25','AA','2123'),('1987-10-25','AA','2123'),('1987-10-25','AA','2147'),('1987-10-25','AA','2199'),('1987-10-25','AA','2199'),('1987-10-25','AA','2207'),('1987-10-25','AA','2207'),('1987-10-25','AA','2230'),('1987-10-25','AA','2245'),('1987-10-25','AA','2251'),('1987-10-25','AA','2251'),('1987-10-25','AA','2275'),('1987-10-25','AA','2278'),('1987-10-25','AA','2357'),('1987-10-25','AA','2361'),('1987-10-25','AA','2490'),('1987-10-25','AA','2528'),('1987-10-25','AA','2528'),('1987-10-25','AA','2735'),('1987-10-25','AA','2735'),('1987-10-25','AA','2751'),('1987-10-25','AL','2'),('1987-10-25','AL','2'),('1987-10-25','AL','7'),('1987-10-25','AL','7'),('1987-10-25','AL','26'),('1987-10-25','AL','26'),('1987-10-25','AL','34'),('1987-10-25','AL','34'),('1987-10-25','AL','36'),('1987-10-25','AL','36'),('1987-10-25','AL','45'),('1987-10-25','AL','45'),('1987-10-25','AL','45'),('1987-10-25','AL','91'),('1987-10-25','AL','91'),('1987-10-25','AL','104'),('1987-10-25','AL','104'),('1987-10-25','AL','104'),('1987-10-25','AL','112'),('1987-10-25','AL','123'),('1987-10-25','AL','149'),('1987-10-25','AL','160'),('1987-10-25','AL','160'),('1987-10-25','AL','165'),('1987-10-25','AL','171'),('1987-10-25','AL','171'),('1987-10-25','AL','176'),('1987-10-25','AL','176'),('1987-10-25','AL','179'),('1987-10-25','AL','215'),('1987-10-25','AL','231'),('1987-10-25','AL','263'),('1987-10-25','AL','263'),('1987-10-25','AL','281'),('1987-10-25','AL','281'),('1987-10-25','AL','309'),('1987-10-25','AL','309'),('1987-10-25','AL','341'),('1987-10-25','AL','344'),('1987-10-25','AL','344'),('1987-10-25','AL','357'),('1987-10-25','AL','357'),('1987-10-25','AL','368'),('1987-10-25','AL','396'),('1987-10-25','AL','416'),('1987-10-25','AL','416'),('1987-10-25','AL','417'),('1987-10-25','AL','438'),('1987-10-25','AL','438'),('1987-10-25','AL','446'),('1987-10-25','AL','451'),('1987-10-25','AL','491'),('1987-10-25','AL','523'),('1987-10-25','AL','523'),('1987-10-25','AL','523'),('1987-10-25','AL','525'),('1987-10-25','AL','525'),('1987-10-25','AL','533'),('1987-10-25','AL','533'),('1987-10-25','AL','546'),('1987-10-25','AL','546'),('1987-10-25','AL','556'),('1987-10-25','AL','556'),('1987-10-25','AL','601'),('1987-10-25','AL','601'),('1987-10-25','AL','627'),('1987-10-25','AL','629'),('1987-10-25','AL','670'),('1987-10-25','AL','670'),('1987-10-25','AL','670'),('1987-10-25','AL','673'),('1987-10-25','AL','680'),('1987-10-25','AL','937'),('1987-10-25','AL','937'),('1987-10-25','AL','955'),('1987-10-26','AA','2'),('1987-10-26','AA','2'),('1987-10-26','AA','2'),('1987-10-26','AA','7'),('1987-10-26','AA','7'),('1987-10-26','AA','26'),('1987-10-26','AA','34'),('1987-10-26','AA','36'),('1987-10-26','AA','91'),('1987-10-26','AA','101'),('1987-10-26','AA','101'),('1987-10-26','AA','109'),('1987-10-26','AA','109'),('1987-10-26','AA','112'),('1987-10-26','AA','123'),('1987-10-26','AA','123'),('1987-10-26','AA','160'),('1987-10-26','AA','165'),('1987-10-26','AA','165'),('1987-10-26','AA','165'),('1987-10-26','AA','176'),('1987-10-26','AA','176'),('1987-10-26','AA','176'),('1987-10-26','AA','176'),('1987-10-26','AA','179'),('1987-10-26','AA','179'),('1987-10-26','AA','215'),('1987-10-26','AA','215'),('1987-10-26','AA','231'),('1987-10-26','AA','231'),('1987-10-26','AA','263'),('1987-10-26','AA','263'),('1987-10-26','AA','268'),('1987-10-26','AA','268'),('1987-10-26','AA','281'),('1987-10-26','AA','287'),('1987-10-26','AA','287'),('1987-10-26','AA','309'),('1987-10-26','AA','309'),('1987-10-26','AA','309'),('1987-10-26','AA','341'),('1987-10-26','AA','344'),('1987-10-26','AA','344'),('1987-10-26','AA','347'),('1987-10-26','AA','347'),('1987-10-26','AA','368'),('1987-10-26','AA','381'),('1987-10-26','AA','381'),('1987-10-26','AA','381'),('1987-10-26','AA','396'),('1987-10-26','AA','396'),('1987-10-26','AA','397'),('1987-10-26','AA','397'),('1987-10-26','AA','417'),('1987-10-26','AA','417'),('1987-10-26','AA','446'),('1987-10-26','AA','451'),('1987-10-26','AA','451'),('1987-10-26','AA','491'),('1987-10-26','AA','504'),('1987-10-26','AA','504'),('1987-10-26','AA','519'),('1987-10-26','AA','523'),('1987-10-26','AA','523'),('1987-10-26','AA','525'),('1987-10-26','AA','525'),('1987-10-26','AA','525'),('1987-10-26','AA','533'),('1987-10-26','AA','533'),('1987-10-26','AA','533'),('1987-10-26','AA','546'),('1987-10-26','AA','546'),('1987-10-26','AA','546'),('1987-10-26','AA','546'),('1987-10-26','AA','556'),('1987-10-26','AA','556'),('1987-10-26','AA','556'),('1987-10-26','AA','597'),('1987-10-26','AA','597'),('1987-10-26','AA','597'),('1987-10-26','AA','601'),('1987-10-26','AA','601'),('1987-10-26','AA','627'),('1987-10-26','AA','629'),('1987-10-26','AA','629'),('1987-10-26','AA','670'),('1987-10-26','AA','673'),('1987-10-26','AA','673'),('1987-10-26','AA','680'),('1987-10-26','AA','680'),('1987-10-26','AA','817'),('1987-10-26','AA','817'),('1987-10-26','AA','824'),('1987-10-26','AA','824'),('1987-10-26','AA','832'),('1987-10-26','AA','832'),('1987-10-26','AA','852'),('1987-10-26','AA','852'),('1987-10-26','AA','866'),('1987-10-26','AA','866'),('1987-10-26','AA','871'),('1987-10-26','AA','871'),('1987-10-26','AA','880'),('1987-10-26','AA','880'),('1987-10-26','AA','880'),('1987-10-26','AA','880'),('1987-10-26','AA','883'),('1987-10-26','AA','883'),('1987-10-26','AA','885'),('1987-10-26','AA','885'),('1987-10-26','AA','885'),('1987-10-26','AA','890'),('1987-10-26','AA','890'),('1987-10-26','AA','893'),('1987-10-26','AA','893'),('1987-10-26','AA','905'),('1987-10-26','AA','905'),('1987-10-26','AA','915'),('1987-10-26','AA','929'),('1987-10-26','AA','929'),('1987-10-26','AA','936'),('1987-10-26','AA','936'),('1987-10-26','AA','937'),('1987-10-26','AA','937'),('1987-10-26','AA','955'),('1987-10-26','AA','955'),('1987-10-26','AA','966'),('1987-10-26','AA','1002'),('1987-10-26','AA','1002'),('1987-10-26','AA','1004'),('1987-10-26','AA','1004'),('1987-10-26','AA','1015'),('1987-10-26','AA','1015'),('1987-10-26','AA','1021'),('1987-10-26','AA','1021'),('1987-10-26','AA','1046'),('1987-10-26','AA','1046'),('1987-10-26','AA','1048'),('1987-10-26','AA','1048'),('1987-10-26','AA','1061'),('1987-10-26','AA','1061'),('1987-10-26','AA','1088'),('1987-10-26','AA','1088'),('1987-10-26','AA','2033'),('1987-10-26','AA','2033'),('1987-10-26','AA','2050'),('1987-10-26','AA','2058'),('1987-10-26','AA','2071'),('1987-10-26','AA','2071'),('1987-10-26','AA','2086'),('1987-10-26','AA','2105'),('1987-10-26','AA','2111'),('1987-10-26','AA','2123'),('1987-10-26','AA','2123'),('1987-10-26','AA','2147'),('1987-10-26','AA','2147'),('1987-10-26','AA','2199'),('1987-10-26','AA','2199'),('1987-10-26','AA','2207'),('1987-10-26','AA','2207'),('1987-10-26','AA','2230'),('1987-10-26','AA','2245'),('1987-10-26','AA','2251'),('1987-10-26','AA','2251'),('1987-10-26','AA','2275'),('1987-10-26','AA','2278'),('1987-10-26','AA','2351'),('1987-10-26','AA','2357'),('1987-10-26','AA','2361'),('1987-10-26','AA','2490'),('1987-10-26','AA','2528'),('1987-10-26','AA','2528'),('1987-10-26','AA','2735'),('1987-10-26','AA','2735'),('1987-10-26','AA','2751'),('1987-10-26','AL','2'),('1987-10-26','AL','2'),('1987-10-26','AL','7'),('1987-10-26','AL','7'),('1987-10-26','AL','26'),('1987-10-26','AL','26'),('1987-10-26','AL','34'),('1987-10-26','AL','34'),('1987-10-26','AL','36'),('1987-10-26','AL','36'),('1987-10-26','AL','45'),('1987-10-26','AL','45'),('1987-10-26','AL','45'),('1987-10-26','AL','91'),('1987-10-26','AL','91'),('1987-10-26','AL','104'),('1987-10-26','AL','104'),('1987-10-26','AL','104'),('1987-10-26','AL','109'),('1987-10-26','AL','112'),('1987-10-26','AL','112'),('1987-10-26','AL','123'),('1987-10-26','AL','149'),('1987-10-26','AL','160'),('1987-10-26','AL','160'),('1987-10-26','AL','165'),('1987-10-26','AL','171'),('1987-10-26','AL','171'),('1987-10-26','AL','176'),('1987-10-26','AL','176'),('1987-10-26','AL','179'),('1987-10-26','AL','215'),('1987-10-26','AL','231'),('1987-10-26','AL','263'),('1987-10-26','AL','263'),('1987-10-26','AL','268'),('1987-10-26','AL','268'),('1987-10-26','AL','268'),('1987-10-26','AL','281'),('1987-10-26','AL','281'),('1987-10-26','AL','287'),('1987-10-26','AL','287'),('1987-10-26','AL','309'),('1987-10-26','AL','309'),('1987-10-26','AL','341'),('1987-10-26','AL','344'),('1987-10-26','AL','357'),('1987-10-26','AL','357'),('1987-10-26','AL','368'),('1987-10-26','AL','381'),('1987-10-26','AL','396'),('1987-10-26','AL','397'),('1987-10-26','AL','397'),('1987-10-26','AL','416'),('1987-10-26','AL','416'),('1987-10-26','AL','417'),('1987-10-26','AL','438'),('1987-10-26','AL','438'),('1987-10-26','AL','446'),('1987-10-26','AL','451'),('1987-10-26','AL','451'),('1987-10-26','AL','491'),('1987-10-26','AL','491'),('1987-10-26','AL','523'),('1987-10-26','AL','523'),('1987-10-26','AL','523'),('1987-10-26','AL','525'),('1987-10-26','AL','533'),('1987-10-26','AL','533'),('1987-10-26','AL','546'),('1987-10-26','AL','546'),('1987-10-26','AL','556'),('1987-10-26','AL','556'),('1987-10-26','AL','601'),('1987-10-26','AL','601'),('1987-10-26','AL','627'),('1987-10-26','AL','629'),('1987-10-26','AL','670'),('1987-10-26','AL','670'),('1987-10-26','AL','670'),('1987-10-26','AL','673'),('1987-10-26','AL','680'),('1987-10-27','AA','2'),('1987-10-27','AA','2'),('1987-10-27','AA','2'),('1987-10-27','AA','7'),('1987-10-27','AA','26'),('1987-10-27','AA','34'),('1987-10-27','AA','36'),('1987-10-27','AA','91'),('1987-10-27','AA','101'),('1987-10-27','AA','101'),('1987-10-27','AA','109'),('1987-10-27','AA','109'),('1987-10-27','AA','112'),('1987-10-27','AA','123'),('1987-10-27','AA','123'),('1987-10-27','AA','160'),('1987-10-27','AA','165'),('1987-10-27','AA','165'),('1987-10-27','AA','165'),('1987-10-27','AA','176'),('1987-10-27','AA','176'),('1987-10-27','AA','176'),('1987-10-27','AA','176'),('1987-10-27','AA','179'),('1987-10-27','AA','179'),('1987-10-27','AA','215'),('1987-10-27','AA','215'),('1987-10-27','AA','231'),('1987-10-27','AA','263'),('1987-10-27','AA','263'),('1987-10-27','AA','268'),('1987-10-27','AA','268'),('1987-10-27','AA','281'),('1987-10-27','AA','287'),('1987-10-27','AA','287'),('1987-10-27','AA','309'),('1987-10-27','AA','309'),('1987-10-27','AA','309'),('1987-10-27','AA','341'),('1987-10-27','AA','344'),('1987-10-27','AA','344'),('1987-10-27','AA','347'),('1987-10-27','AA','347'),('1987-10-27','AA','368'),('1987-10-27','AA','381'),('1987-10-27','AA','381'),('1987-10-27','AA','381'),('1987-10-27','AA','396'),('1987-10-27','AA','396'),('1987-10-27','AA','397'),('1987-10-27','AA','397'),('1987-10-27','AA','417'),('1987-10-27','AA','417'),('1987-10-27','AA','446'),('1987-10-27','AA','451'),('1987-10-27','AA','451'),('1987-10-27','AA','460'),('1987-10-27','AA','460'),('1987-10-27','AA','491'),('1987-10-27','AA','504'),('1987-10-27','AA','504'),('1987-10-27','AA','519'),('1987-10-27','AA','519'),('1987-10-27','AA','523'),('1987-10-27','AA','523'),('1987-10-27','AA','525'),('1987-10-27','AA','525'),('1987-10-27','AA','525'),('1987-10-27','AA','533'),('1987-10-27','AA','533'),('1987-10-27','AA','533'),('1987-10-27','AA','546'),('1987-10-27','AA','546'),('1987-10-27','AA','546'),('1987-10-27','AA','546'),('1987-10-27','AA','556'),('1987-10-27','AA','556'),('1987-10-27','AA','556'),('1987-10-27','AA','597'),('1987-10-27','AA','597'),('1987-10-27','AA','597'),('1987-10-27','AA','601'),('1987-10-27','AA','601'),('1987-10-27','AA','627'),('1987-10-27','AA','629'),('1987-10-27','AA','629'),('1987-10-27','AA','670'),('1987-10-27','AA','673'),('1987-10-27','AA','673'),('1987-10-27','AA','680'),('1987-10-27','AA','680'),('1987-10-27','AA','817'),('1987-10-27','AA','817'),('1987-10-27','AA','824'),('1987-10-27','AA','824'),('1987-10-27','AA','824'),('1987-10-27','AA','824'),('1987-10-27','AA','832'),('1987-10-27','AA','832'),('1987-10-27','AA','852'),('1987-10-27','AA','852'),('1987-10-27','AA','866'),('1987-10-27','AA','866'),('1987-10-27','AA','871'),('1987-10-27','AA','871'),('1987-10-27','AA','880'),('1987-10-27','AA','880'),('1987-10-27','AA','880'),('1987-10-27','AA','880'),('1987-10-27','AA','883'),('1987-10-27','AA','883'),('1987-10-27','AA','885'),('1987-10-27','AA','885'),('1987-10-27','AA','885'),('1987-10-27','AA','890'),('1987-10-27','AA','890'),('1987-10-27','AA','893'),('1987-10-27','AA','893'),('1987-10-27','AA','905'),('1987-10-27','AA','905'),('1987-10-27','AA','915'),('1987-10-27','AA','929'),('1987-10-27','AA','929'),('1987-10-27','AA','936'),('1987-10-27','AA','936'),('1987-10-27','AA','937'),('1987-10-27','AA','937'),('1987-10-27','AA','955'),('1987-10-27','AA','955'),('1987-10-27','AA','966'),('1987-10-27','AA','1002'),('1987-10-27','AA','1002'),('1987-10-27','AA','1004'),('1987-10-27','AA','1004'),('1987-10-27','AA','1015'),('1987-10-27','AA','1015'),('1987-10-27','AA','1021'),('1987-10-27','AA','1021'),('1987-10-27','AA','1041'),('1987-10-27','AA','1041'),('1987-10-27','AA','1046'),('1987-10-27','AA','1046'),('1987-10-27','AA','1048'),('1987-10-27','AA','1061'),('1987-10-27','AA','1061'),('1987-10-27','AA','1088'),('1987-10-27','AA','1088'),('1987-10-27','AA','2033'),('1987-10-27','AA','2033'),('1987-10-27','AA','2050'),('1987-10-27','AA','2058'),('1987-10-27','AA','2071'),('1987-10-27','AA','2071'),('1987-10-27','AA','2086'),('1987-10-27','AA','2105'),('1987-10-27','AA','2111'),('1987-10-27','AA','2123'),('1987-10-27','AA','2123'),('1987-10-27','AA','2147'),('1987-10-27','AA','2147'),('1987-10-27','AA','2199'),('1987-10-27','AA','2199'),('1987-10-27','AA','2207'),('1987-10-27','AA','2207'),('1987-10-27','AA','2217'),('1987-10-27','AA','2230'),('1987-10-27','AA','2245'),('1987-10-27','AA','2251'),('1987-10-27','AA','2251'),('1987-10-27','AA','2275'),('1987-10-27','AA','2278'),('1987-10-27','AA','2357'),('1987-10-27','AA','2490'),('1987-10-27','AA','2528'),('1987-10-27','AA','2528'),('1987-10-27','AA','2735'),('1987-10-27','AA','2735'),('1987-10-27','AL','2'),('1987-10-27','AL','2'),('1987-10-27','AL','7'),('1987-10-27','AL','7'),('1987-10-27','AL','26'),('1987-10-27','AL','26'),('1987-10-27','AL','34'),('1987-10-27','AL','34'),('1987-10-27','AL','36'),('1987-10-27','AL','36'),('1987-10-27','AL','45'),('1987-10-27','AL','45'),('1987-10-27','AL','45'),('1987-10-27','AL','91'),('1987-10-27','AL','91'),('1987-10-27','AL','104'),('1987-10-27','AL','104'),('1987-10-27','AL','104'),('1987-10-27','AL','109'),('1987-10-27','AL','112'),('1987-10-27','AL','112'),('1987-10-27','AL','123'),('1987-10-27','AL','149'),('1987-10-27','AL','160'),('1987-10-27','AL','160'),('1987-10-27','AL','165'),('1987-10-27','AL','171'),('1987-10-27','AL','171'),('1987-10-27','AL','176'),('1987-10-27','AL','176'),('1987-10-27','AL','179'),('1987-10-27','AL','215'),('1987-10-27','AL','231'),('1987-10-27','AL','263'),('1987-10-27','AL','263'),('1987-10-27','AL','268'),('1987-10-27','AL','268'),('1987-10-27','AL','268'),('1987-10-27','AL','281'),('1987-10-27','AL','281'),('1987-10-27','AL','287'),('1987-10-27','AL','287'),('1987-10-27','AL','309'),('1987-10-27','AL','309'),('1987-10-27','AL','341'),('1987-10-27','AL','344'),('1987-10-27','AL','344'),('1987-10-27','AL','357'),('1987-10-27','AL','357'),('1987-10-27','AL','368'),('1987-10-27','AL','381'),('1987-10-27','AL','396'),('1987-10-27','AL','397'),('1987-10-27','AL','397'),('1987-10-27','AL','416'),('1987-10-27','AL','416'),('1987-10-27','AL','417'),('1987-10-27','AL','438'),('1987-10-27','AL','438'),('1987-10-27','AL','446'),('1987-10-27','AL','451'),('1987-10-27','AL','451'),('1987-10-27','AL','491'),('1987-10-27','AL','491'),('1987-10-27','AL','523'),('1987-10-27','AL','523'),('1987-10-27','AL','523'),('1987-10-27','AL','525'),('1987-10-27','AL','525'),('1987-10-27','AL','533'),('1987-10-27','AL','533'),('1987-10-27','AL','546'),('1987-10-27','AL','546'),('1987-10-27','AL','556'),('1987-10-27','AL','556'),('1987-10-27','AL','601'),('1987-10-27','AL','601'),('1987-10-27','AL','627'),('1987-10-27','AL','629'),('1987-10-27','AL','670'),('1987-10-27','AL','670'),('1987-10-27','AL','670'),('1987-10-27','AL','673'),('1987-10-27','AL','680'),('1987-10-28','AA','2'),('1987-10-28','AA','2'),('1987-10-28','AA','2'),('1987-10-28','AA','7'),('1987-10-28','AA','7'),('1987-10-28','AA','26'),('1987-10-28','AA','34'),('1987-10-28','AA','36'),('1987-10-28','AA','91'),('1987-10-28','AA','101'),('1987-10-28','AA','101'),('1987-10-28','AA','109'),('1987-10-28','AA','109'),('1987-10-28','AA','112'),('1987-10-28','AA','123'),('1987-10-28','AA','123'),('1987-10-28','AA','165'),('1987-10-28','AA','165'),('1987-10-28','AA','165'),('1987-10-28','AA','176'),('1987-10-28','AA','176'),('1987-10-28','AA','176'),('1987-10-28','AA','176'),('1987-10-28','AA','179'),('1987-10-28','AA','179'),('1987-10-28','AA','215'),('1987-10-28','AA','215'),('1987-10-28','AA','231'),('1987-10-28','AA','231'),('1987-10-28','AA','263'),('1987-10-28','AA','268'),('1987-10-28','AA','268'),('1987-10-28','AA','281'),('1987-10-28','AA','287'),('1987-10-28','AA','287'),('1987-10-28','AA','309'),('1987-10-28','AA','309'),('1987-10-28','AA','309'),('1987-10-28','AA','341'),('1987-10-28','AA','344'),('1987-10-28','AA','344'),('1987-10-28','AA','347'),('1987-10-28','AA','347'),('1987-10-28','AA','368'),('1987-10-28','AA','381'),('1987-10-28','AA','381'),('1987-10-28','AA','381'),('1987-10-28','AA','396'),('1987-10-28','AA','396'),('1987-10-28','AA','397'),('1987-10-28','AA','397'),('1987-10-28','AA','417'),('1987-10-28','AA','417'),('1987-10-28','AA','446'),('1987-10-28','AA','451'),('1987-10-28','AA','451'),('1987-10-28','AA','460'),('1987-10-28','AA','460'),('1987-10-28','AA','491'),('1987-10-28','AA','504'),('1987-10-28','AA','504'),('1987-10-28','AA','519'),('1987-10-28','AA','519'),('1987-10-28','AA','523'),('1987-10-28','AA','523'),('1987-10-28','AA','525'),('1987-10-28','AA','525'),('1987-10-28','AA','525'),('1987-10-28','AA','533'),('1987-10-28','AA','533'),('1987-10-28','AA','533'),('1987-10-28','AA','546'),('1987-10-28','AA','546'),('1987-10-28','AA','546'),('1987-10-28','AA','546'),('1987-10-28','AA','556'),('1987-10-28','AA','556'),('1987-10-28','AA','556'),('1987-10-28','AA','597'),('1987-10-28','AA','597'),('1987-10-28','AA','597'),('1987-10-28','AA','601'),('1987-10-28','AA','601'),('1987-10-28','AA','627'),('1987-10-28','AA','629'),('1987-10-28','AA','629'),('1987-10-28','AA','670'),('1987-10-28','AA','673'),('1987-10-28','AA','673'),('1987-10-28','AA','680'),('1987-10-28','AA','680'),('1987-10-28','AA','817'),('1987-10-28','AA','817'),('1987-10-28','AA','824'),('1987-10-28','AA','824'),('1987-10-28','AA','824'),('1987-10-28','AA','832'),('1987-10-28','AA','832'),('1987-10-28','AA','852'),('1987-10-28','AA','852'),('1987-10-28','AA','866'),('1987-10-28','AA','866'),('1987-10-28','AA','871'),('1987-10-28','AA','871'),('1987-10-28','AA','880'),('1987-10-28','AA','880'),('1987-10-28','AA','880'),('1987-10-28','AA','880'),('1987-10-28','AA','883'),('1987-10-28','AA','883'),('1987-10-28','AA','885'),('1987-10-28','AA','885'),('1987-10-28','AA','890'),('1987-10-28','AA','890'),('1987-10-28','AA','893'),('1987-10-28','AA','893'),('1987-10-28','AA','905'),('1987-10-28','AA','905'),('1987-10-28','AA','915'),('1987-10-28','AA','929'),('1987-10-28','AA','929'),('1987-10-28','AA','936'),('1987-10-28','AA','936'),('1987-10-28','AA','937'),('1987-10-28','AA','937'),('1987-10-28','AA','955'),('1987-10-28','AA','955'),('1987-10-28','AA','966'),('1987-10-28','AA','1002'),('1987-10-28','AA','1002'),('1987-10-28','AA','1004'),('1987-10-28','AA','1004'),('1987-10-28','AA','1015'),('1987-10-28','AA','1021'),('1987-10-28','AA','1021'),('1987-10-28','AA','1041'),('1987-10-28','AA','1041'),('1987-10-28','AA','1046'),('1987-10-28','AA','1046'),('1987-10-28','AA','1048'),('1987-10-28','AA','1048'),('1987-10-28','AA','1061'),('1987-10-28','AA','1061'),('1987-10-28','AA','1088'),('1987-10-28','AA','1088'),('1987-10-28','AA','2033'),('1987-10-28','AA','2033'),('1987-10-28','AA','2050'),('1987-10-28','AA','2058'),('1987-10-28','AA','2071'),('1987-10-28','AA','2071'),('1987-10-28','AA','2086'),('1987-10-28','AA','2105'),('1987-10-28','AA','2111'),('1987-10-28','AA','2123'),('1987-10-28','AA','2123'),('1987-10-28','AA','2147'),('1987-10-28','AA','2199'),('1987-10-28','AA','2199'),('1987-10-28','AA','2207'),('1987-10-28','AA','2207'),('1987-10-28','AA','2217'),('1987-10-28','AA','2230'),('1987-10-28','AA','2245'),('1987-10-28','AA','2251'),('1987-10-28','AA','2251'),('1987-10-28','AA','2275'),('1987-10-28','AA','2278'),('1987-10-28','AA','2351'),('1987-10-28','AA','2361'),('1987-10-28','AA','2490'),('1987-10-28','AA','2528'),('1987-10-28','AA','2528'),('1987-10-28','AA','2751'),('1987-10-28','AL','2'),('1987-10-28','AL','2'),('1987-10-28','AL','7'),('1987-10-28','AL','7'),('1987-10-28','AL','26'),('1987-10-28','AL','34'),('1987-10-28','AL','34'),('1987-10-28','AL','45'),('1987-10-28','AL','91'),('1987-10-28','AL','91'),('1987-10-28','AL','104'),('1987-10-28','AL','104'),('1987-10-28','AL','104'),('1987-10-28','AL','109'),('1987-10-28','AL','112'),('1987-10-28','AL','112'),('1987-10-28','AL','123'),('1987-10-28','AL','149'),('1987-10-28','AL','160'),('1987-10-28','AL','160'),('1987-10-28','AL','165'),('1987-10-28','AL','171'),('1987-10-28','AL','171'),('1987-10-28','AL','176'),('1987-10-28','AL','176'),('1987-10-28','AL','179'),('1987-10-28','AL','215'),('1987-10-28','AL','231'),('1987-10-28','AL','263'),('1987-10-28','AL','263'),('1987-10-28','AL','268'),('1987-10-28','AL','268'),('1987-10-28','AL','268'),('1987-10-28','AL','281'),('1987-10-28','AL','281'),('1987-10-28','AL','287'),('1987-10-28','AL','287'),('1987-10-28','AL','309'),('1987-10-28','AL','309'),('1987-10-28','AL','341'),('1987-10-28','AL','344'),('1987-10-28','AL','344'),('1987-10-28','AL','357'),('1987-10-28','AL','357'),('1987-10-28','AL','368'),('1987-10-28','AL','381'),('1987-10-28','AL','396'),('1987-10-28','AL','397'),('1987-10-28','AL','397'),('1987-10-28','AL','416'),('1987-10-28','AL','416'),('1987-10-28','AL','417'),('1987-10-28','AL','438'),('1987-10-28','AL','438'),('1987-10-28','AL','446'),('1987-10-28','AL','451'),('1987-10-28','AL','451'),('1987-10-28','AL','491'),('1987-10-28','AL','491'),('1987-10-28','AL','523'),('1987-10-28','AL','523'),('1987-10-28','AL','523'),('1987-10-28','AL','525'),('1987-10-28','AL','525'),('1987-10-28','AL','533'),('1987-10-28','AL','533'),('1987-10-28','AL','546'),('1987-10-28','AL','546'),('1987-10-28','AL','556'),('1987-10-28','AL','556'),('1987-10-28','AL','601'),('1987-10-28','AL','601'),('1987-10-28','AL','627'),('1987-10-28','AL','629'),('1987-10-28','AL','670'),('1987-10-28','AL','670'),('1987-10-28','AL','670'),('1987-10-28','AL','673'),('1987-10-28','AL','680'),('1987-10-29','AA','2'),('1987-10-29','AA','2'),('1987-10-29','AA','2'),('1987-10-29','AA','7'),('1987-10-29','AA','7'),('1987-10-29','AA','26'),('1987-10-29','AA','34'),('1987-10-29','AA','36'),('1987-10-29','AA','91'),('1987-10-29','AA','101'),('1987-10-29','AA','101'),('1987-10-29','AA','109'),('1987-10-29','AA','109'),('1987-10-29','AA','112'),('1987-10-29','AA','123'),('1987-10-29','AA','123'),('1987-10-29','AA','160'),('1987-10-29','AA','165'),('1987-10-29','AA','165'),('1987-10-29','AA','165'),('1987-10-29','AA','176'),('1987-10-29','AA','176'),('1987-10-29','AA','176'),('1987-10-29','AA','176'),('1987-10-29','AA','179'),('1987-10-29','AA','179'),('1987-10-29','AA','215'),('1987-10-29','AA','215'),('1987-10-29','AA','231'),('1987-10-29','AA','231'),('1987-10-29','AA','263'),('1987-10-29','AA','263'),('1987-10-29','AA','268'),('1987-10-29','AA','268'),('1987-10-29','AA','281'),('1987-10-29','AA','287'),('1987-10-29','AA','287'),('1987-10-29','AA','309'),('1987-10-29','AA','309'),('1987-10-29','AA','309'),('1987-10-29','AA','341'),('1987-10-29','AA','344'),('1987-10-29','AA','344'),('1987-10-29','AA','347'),('1987-10-29','AA','347'),('1987-10-29','AA','368'),('1987-10-29','AA','381'),('1987-10-29','AA','381'),('1987-10-29','AA','381'),('1987-10-29','AA','396'),('1987-10-29','AA','396'),('1987-10-29','AA','397'),('1987-10-29','AA','397'),('1987-10-29','AA','417'),('1987-10-29','AA','417'),('1987-10-29','AA','451'),('1987-10-29','AA','451'),('1987-10-29','AA','460'),('1987-10-29','AA','460'),('1987-10-29','AA','491'),('1987-10-29','AA','504'),('1987-10-29','AA','504'),('1987-10-29','AA','519'),('1987-10-29','AA','519'),('1987-10-29','AA','523'),('1987-10-29','AA','523'),('1987-10-29','AA','525'),('1987-10-29','AA','525'),('1987-10-29','AA','525'),('1987-10-29','AA','533'),('1987-10-29','AA','533'),('1987-10-29','AA','533'),('1987-10-29','AA','546'),('1987-10-29','AA','546'),('1987-10-29','AA','546'),('1987-10-29','AA','546'),('1987-10-29','AA','556'),('1987-10-29','AA','556'),('1987-10-29','AA','556'),('1987-10-29','AA','597'),('1987-10-29','AA','597'),('1987-10-29','AA','597'),('1987-10-29','AA','601'),('1987-10-29','AA','601'),('1987-10-29','AA','627'),('1987-10-29','AA','629'),('1987-10-29','AA','670'),('1987-10-29','AA','673'),('1987-10-29','AA','680'),('1987-10-29','AA','680'),('1987-10-29','AA','817'),('1987-10-29','AA','817'),('1987-10-29','AA','824'),('1987-10-29','AA','824'),('1987-10-29','AA','824'),('1987-10-29','AA','824'),('1987-10-29','AA','832'),('1987-10-29','AA','832'),('1987-10-29','AA','852'),('1987-10-29','AA','852'),('1987-10-29','AA','866'),('1987-10-29','AA','866'),('1987-10-29','AA','871'),('1987-10-29','AA','871'),('1987-10-29','AA','880'),('1987-10-29','AA','880'),('1987-10-29','AA','880'),('1987-10-29','AA','880'),('1987-10-29','AA','883'),('1987-10-29','AA','883'),('1987-10-29','AA','885'),('1987-10-29','AA','885'),('1987-10-29','AA','885'),('1987-10-29','AA','890'),('1987-10-29','AA','890'),('1987-10-29','AA','893'),('1987-10-29','AA','893'),('1987-10-29','AA','905'),('1987-10-29','AA','915'),('1987-10-29','AA','929'),('1987-10-29','AA','929'),('1987-10-29','AA','936'),('1987-10-29','AA','936'),('1987-10-29','AA','937'),('1987-10-29','AA','937'),('1987-10-29','AA','955'),('1987-10-29','AA','955'),('1987-10-29','AA','966'),('1987-10-29','AA','1002'),('1987-10-29','AA','1002'),('1987-10-29','AA','1004'),('1987-10-29','AA','1004'),('1987-10-29','AA','1015'),('1987-10-29','AA','1015'),('1987-10-29','AA','1021'),('1987-10-29','AA','1021'),('1987-10-29','AA','1041'),('1987-10-29','AA','1041'),('1987-10-29','AA','1046'),('1987-10-29','AA','1048'),('1987-10-29','AA','1048'),('1987-10-29','AA','1061'),('1987-10-29','AA','1061'),('1987-10-29','AA','1088'),('1987-10-29','AA','1088'),('1987-10-29','AA','2033'),('1987-10-29','AA','2033'),('1987-10-29','AA','2050'),('1987-10-29','AA','2058'),('1987-10-29','AA','2071'),('1987-10-29','AA','2071'),('1987-10-29','AA','2086'),('1987-10-29','AA','2105'),('1987-10-29','AA','2111'),('1987-10-29','AA','2123'),('1987-10-29','AA','2123'),('1987-10-29','AA','2147'),('1987-10-29','AA','2147'),('1987-10-29','AA','2199'),('1987-10-29','AA','2199'),('1987-10-29','AA','2207'),('1987-10-29','AA','2207'),('1987-10-29','AA','2217'),('1987-10-29','AA','2230'),('1987-10-29','AA','2251'),('1987-10-29','AA','2251'),('1987-10-29','AA','2275'),('1987-10-29','AA','2278'),('1987-10-29','AA','2351'),('1987-10-29','AA','2357'),('1987-10-29','AA','2361'),('1987-10-29','AA','2490'),('1987-10-29','AA','2528'),('1987-10-29','AA','2735'),('1987-10-29','AA','2735'),('1987-10-29','AA','2751'),('1987-10-29','AL','2'),('1987-10-29','AL','2'),('1987-10-29','AL','7'),('1987-10-29','AL','7'),('1987-10-29','AL','26'),('1987-10-29','AL','26'),('1987-10-29','AL','34'),('1987-10-29','AL','34'),('1987-10-29','AL','36'),('1987-10-29','AL','36'),('1987-10-29','AL','45'),('1987-10-29','AL','45'),('1987-10-29','AL','45'),('1987-10-29','AL','91'),('1987-10-29','AL','91'),('1987-10-29','AL','104'),('1987-10-29','AL','109'),('1987-10-29','AL','112'),('1987-10-29','AL','112'),('1987-10-29','AL','123'),('1987-10-29','AL','149'),('1987-10-29','AL','160'),('1987-10-29','AL','160'),('1987-10-29','AL','165'),('1987-10-29','AL','171'),('1987-10-29','AL','171'),('1987-10-29','AL','176'),('1987-10-29','AL','176'),('1987-10-29','AL','179'),('1987-10-29','AL','215'),('1987-10-29','AL','231'),('1987-10-29','AL','263'),('1987-10-29','AL','263'),('1987-10-29','AL','268'),('1987-10-29','AL','268'),('1987-10-29','AL','268'),('1987-10-29','AL','281'),('1987-10-29','AL','281'),('1987-10-29','AL','287'),('1987-10-29','AL','287'),('1987-10-29','AL','309'),('1987-10-29','AL','309'),('1987-10-29','AL','341'),('1987-10-29','AL','344'),('1987-10-29','AL','344'),('1987-10-29','AL','357'),('1987-10-29','AL','357'),('1987-10-29','AL','368'),('1987-10-29','AL','381'),('1987-10-29','AL','396'),('1987-10-29','AL','397'),('1987-10-29','AL','397'),('1987-10-29','AL','416'),('1987-10-29','AL','416'),('1987-10-29','AL','417'),('1987-10-29','AL','438'),('1987-10-29','AL','438'),('1987-10-29','AL','446'),('1987-10-29','AL','451'),('1987-10-29','AL','451'),('1987-10-29','AL','491'),('1987-10-29','AL','491'),('1987-10-29','AL','523'),('1987-10-29','AL','523'),('1987-10-29','AL','523'),('1987-10-29','AL','525'),('1987-10-29','AL','525'),('1987-10-29','AL','533'),('1987-10-29','AL','533'),('1987-10-29','AL','546'),('1987-10-29','AL','546'),('1987-10-29','AL','556'),('1987-10-29','AL','556'),('1987-10-29','AL','601'),('1987-10-29','AL','601'),('1987-10-29','AL','627'),('1987-10-29','AL','629'),('1987-10-29','AL','670'),('1987-10-29','AL','670'),('1987-10-29','AL','670'),('1987-10-29','AL','673'),('1987-10-29','AL','680'),('1987-10-30','AA','2'),('1987-10-30','AA','2'),('1987-10-30','AA','2'),('1987-10-30','AA','7'),('1987-10-30','AA','7'),('1987-10-30','AA','26'),('1987-10-30','AA','34'),('1987-10-30','AA','91'),('1987-10-30','AA','101'),('1987-10-30','AA','101'),('1987-10-30','AA','109'),('1987-10-30','AA','109'),('1987-10-30','AA','109'),('1987-10-30','AA','112'),('1987-10-30','AA','123'),('1987-10-30','AA','165'),('1987-10-30','AA','165'),('1987-10-30','AA','165'),('1987-10-30','AA','176'),('1987-10-30','AA','176'),('1987-10-30','AA','176'),('1987-10-30','AA','176'),('1987-10-30','AA','179'),('1987-10-30','AA','179'),('1987-10-30','AA','215'),('1987-10-30','AA','215'),('1987-10-30','AA','231'),('1987-10-30','AA','231'),('1987-10-30','AA','263'),('1987-10-30','AA','268'),('1987-10-30','AA','268'),('1987-10-30','AA','281'),('1987-10-30','AA','287'),('1987-10-30','AA','287'),('1987-10-30','AA','309'),('1987-10-30','AA','309'),('1987-10-30','AA','309'),('1987-10-30','AA','344'),('1987-10-30','AA','344'),('1987-10-30','AA','347'),('1987-10-30','AA','347'),('1987-10-30','AA','368'),('1987-10-30','AA','381'),('1987-10-30','AA','381'),('1987-10-30','AA','381'),('1987-10-30','AA','396'),('1987-10-30','AA','396'),('1987-10-30','AA','397'),('1987-10-30','AA','397'),('1987-10-30','AA','417'),('1987-10-30','AA','417'),('1987-10-30','AA','446'),('1987-10-30','AA','451'),('1987-10-30','AA','451'),('1987-10-30','AA','460'),('1987-10-30','AA','460'),('1987-10-30','AA','491'),('1987-10-30','AA','504'),('1987-10-30','AA','504'),('1987-10-30','AA','519'),('1987-10-30','AA','519'),('1987-10-30','AA','523'),('1987-10-30','AA','523'),('1987-10-30','AA','525'),('1987-10-30','AA','525'),('1987-10-30','AA','525'),('1987-10-30','AA','533'),('1987-10-30','AA','533'),('1987-10-30','AA','533'),('1987-10-30','AA','546'),('1987-10-30','AA','546'),('1987-10-30','AA','546'),('1987-10-30','AA','546'),('1987-10-30','AA','556'),('1987-10-30','AA','556'),('1987-10-30','AA','556'),('1987-10-30','AA','597'),('1987-10-30','AA','597'),('1987-10-30','AA','597'),('1987-10-30','AA','601'),('1987-10-30','AA','601'),('1987-10-30','AA','627'),('1987-10-30','AA','629'),('1987-10-30','AA','629'),('1987-10-30','AA','670'),('1987-10-30','AA','673'),('1987-10-30','AA','673'),('1987-10-30','AA','680'),('1987-10-30','AA','817'),('1987-10-30','AA','817'),('1987-10-30','AA','824'),('1987-10-30','AA','824'),('1987-10-30','AA','824'),('1987-10-30','AA','824'),('1987-10-30','AA','832'),('1987-10-30','AA','832'),('1987-10-30','AA','852'),('1987-10-30','AA','866'),('1987-10-30','AA','866'),('1987-10-30','AA','871'),('1987-10-30','AA','871'),('1987-10-30','AA','880'),('1987-10-30','AA','880'),('1987-10-30','AA','880'),('1987-10-30','AA','880'),('1987-10-30','AA','883'),('1987-10-30','AA','883'),('1987-10-30','AA','885'),('1987-10-30','AA','885'),('1987-10-30','AA','885'),('1987-10-30','AA','890'),('1987-10-30','AA','890'),('1987-10-30','AA','893'),('1987-10-30','AA','893'),('1987-10-30','AA','905'),('1987-10-30','AA','905'),('1987-10-30','AA','915'),('1987-10-30','AA','929'),('1987-10-30','AA','929'),('1987-10-30','AA','936'),('1987-10-30','AA','936'),('1987-10-30','AA','937'),('1987-10-30','AA','937'),('1987-10-30','AA','955'),('1987-10-30','AA','955'),('1987-10-30','AA','966'),('1987-10-30','AA','1002'),('1987-10-30','AA','1002'),('1987-10-30','AA','1004'),('1987-10-30','AA','1004'),('1987-10-30','AA','1015'),('1987-10-30','AA','1015'),('1987-10-30','AA','1021'),('1987-10-30','AA','1021'),('1987-10-30','AA','1041'),('1987-10-30','AA','1041'),('1987-10-30','AA','1046'),('1987-10-30','AA','1046'),('1987-10-30','AA','1048'),('1987-10-30','AA','1048'),('1987-10-30','AA','1061'),('1987-10-30','AA','1061'),('1987-10-30','AA','1088'),('1987-10-30','AA','1088'),('1987-10-30','AA','2033'),('1987-10-30','AA','2033'),('1987-10-30','AA','2050'),('1987-10-30','AA','2058'),('1987-10-30','AA','2071'),('1987-10-30','AA','2071'),('1987-10-30','AA','2086'),('1987-10-30','AA','2105'),('1987-10-30','AA','2111'),('1987-10-30','AA','2123'),('1987-10-30','AA','2123'),('1987-10-30','AA','2147'),('1987-10-30','AA','2147'),('1987-10-30','AA','2199'),('1987-10-30','AA','2199'),('1987-10-30','AA','2207'),('1987-10-30','AA','2207'),('1987-10-30','AA','2217'),('1987-10-30','AA','2230'),('1987-10-30','AA','2245'),('1987-10-30','AA','2251'),('1987-10-30','AA','2275'),('1987-10-30','AA','2278'),('1987-10-30','AA','2351'),('1987-10-30','AA','2357'),('1987-10-30','AA','2361'),('1987-10-30','AA','2490'),('1987-10-30','AA','2528'),('1987-10-30','AA','2528'),('1987-10-30','AA','2735'),('1987-10-30','AA','2735'),('1987-10-30','AA','2751'),('1987-10-30','AL','2'),('1987-10-30','AL','2'),('1987-10-30','AL','7'),('1987-10-30','AL','7'),('1987-10-30','AL','26'),('1987-10-30','AL','26'),('1987-10-30','AL','34'),('1987-10-30','AL','34'),('1987-10-30','AL','36'),('1987-10-30','AL','36'),('1987-10-30','AL','45'),('1987-10-30','AL','45'),('1987-10-30','AL','45'),('1987-10-30','AL','91'),('1987-10-30','AL','91'),('1987-10-30','AL','104'),('1987-10-30','AL','104'),('1987-10-30','AL','104'),('1987-10-30','AL','109'),('1987-10-30','AL','112'),('1987-10-30','AL','112'),('1987-10-30','AL','123'),('1987-10-30','AL','149'),('1987-10-30','AL','160'),('1987-10-30','AL','160'),('1987-10-30','AL','165'),('1987-10-30','AL','171'),('1987-10-30','AL','171'),('1987-10-30','AL','176'),('1987-10-30','AL','176'),('1987-10-30','AL','179'),('1987-10-30','AL','215'),('1987-10-30','AL','231'),('1987-10-30','AL','263'),('1987-10-30','AL','263'),('1987-10-30','AL','268'),('1987-10-30','AL','268'),('1987-10-30','AL','268'),('1987-10-30','AL','281'),('1987-10-30','AL','281'),('1987-10-30','AL','287'),('1987-10-30','AL','287'),('1987-10-30','AL','309'),('1987-10-30','AL','309'),('1987-10-30','AL','341'),('1987-10-30','AL','344'),('1987-10-30','AL','344'),('1987-10-30','AL','357'),('1987-10-30','AL','357'),('1987-10-30','AL','368'),('1987-10-30','AL','381'),('1987-10-30','AL','396'),('1987-10-30','AL','397'),('1987-10-30','AL','397'),('1987-10-30','AL','416'),('1987-10-30','AL','416'),('1987-10-30','AL','417'),('1987-10-30','AL','438'),('1987-10-30','AL','438'),('1987-10-30','AL','446'),('1987-10-30','AL','451'),('1987-10-30','AL','451'),('1987-10-30','AL','491'),('1987-10-30','AL','491'),('1987-10-30','AL','523'),('1987-10-30','AL','523'),('1987-10-30','AL','523'),('1987-10-30','AL','525'),('1987-10-30','AL','525'),('1987-10-30','AL','533'),('1987-10-30','AL','533'),('1987-10-30','AL','546'),('1987-10-30','AL','546'),('1987-10-30','AL','556'),('1987-10-30','AL','556'),('1987-10-30','AL','601'),('1987-10-30','AL','601'),('1987-10-30','AL','627'),('1987-10-30','AL','629'),('1987-10-30','AL','670'),('1987-10-30','AL','670'),('1987-10-30','AL','670'),('1987-10-30','AL','673'),('1987-10-30','AL','680'),('1987-10-31','AA','2'),('1987-10-31','AA','2'),('1987-10-31','AA','2'),('1987-10-31','AA','7'),('1987-10-31','AA','7'),('1987-10-31','AA','26'),('1987-10-31','AA','34'),('1987-10-31','AA','36'),('1987-10-31','AA','91'),('1987-10-31','AA','101'),('1987-10-31','AA','101'),('1987-10-31','AA','109'),('1987-10-31','AA','109'),('1987-10-31','AA','112'),('1987-10-31','AA','123'),('1987-10-31','AA','123'),('1987-10-31','AA','160'),('1987-10-31','AA','165'),('1987-10-31','AA','165'),('1987-10-31','AA','165'),('1987-10-31','AA','176'),('1987-10-31','AA','176'),('1987-10-31','AA','176'),('1987-10-31','AA','176'),('1987-10-31','AA','179'),('1987-10-31','AA','179'),('1987-10-31','AA','215'),('1987-10-31','AA','215'),('1987-10-31','AA','231'),('1987-10-31','AA','263'),('1987-10-31','AA','268'),('1987-10-31','AA','268'),('1987-10-31','AA','281'),('1987-10-31','AA','287'),('1987-10-31','AA','287'),('1987-10-31','AA','309'),('1987-10-31','AA','309'),('1987-10-31','AA','309'),('1987-10-31','AA','341'),('1987-10-31','AA','344'),('1987-10-31','AA','344'),('1987-10-31','AA','347'),('1987-10-31','AA','347'),('1987-10-31','AA','368'),('1987-10-31','AA','381'),('1987-10-31','AA','381'),('1987-10-31','AA','381'),('1987-10-31','AA','396'),('1987-10-31','AA','396'),('1987-10-31','AA','397'),('1987-10-31','AA','417'),('1987-10-31','AA','417'),('1987-10-31','AA','446'),('1987-10-31','AA','451'),('1987-10-31','AA','451'),('1987-10-31','AA','491'),('1987-10-31','AA','491'),('1987-10-31','AA','504'),('1987-10-31','AA','504'),('1987-10-31','AA','519'),('1987-10-31','AA','519'),('1987-10-31','AA','523'),('1987-10-31','AA','523'),('1987-10-31','AA','525'),('1987-10-31','AA','525'),('1987-10-31','AA','533'),('1987-10-31','AA','533'),('1987-10-31','AA','546'),('1987-10-31','AA','546'),('1987-10-31','AA','546'),('1987-10-31','AA','546'),('1987-10-31','AA','556'),('1987-10-31','AA','556'),('1987-10-31','AA','556'),('1987-10-31','AA','597'),('1987-10-31','AA','597'),('1987-10-31','AA','597'),('1987-10-31','AA','601'),('1987-10-31','AA','601'),('1987-10-31','AA','627'),('1987-10-31','AA','629'),('1987-10-31','AA','670'),('1987-10-31','AA','673'),('1987-10-31','AA','673'),('1987-10-31','AA','680'),('1987-10-31','AA','680'),('1987-10-31','AA','817'),('1987-10-31','AA','817'),('1987-10-31','AA','824'),('1987-10-31','AA','824'),('1987-10-31','AA','824'),('1987-10-31','AA','832'),('1987-10-31','AA','832'),('1987-10-31','AA','852'),('1987-10-31','AA','852'),('1987-10-31','AA','866'),('1987-10-31','AA','871'),('1987-10-31','AA','871'),('1987-10-31','AA','880'),('1987-10-31','AA','880'),('1987-10-31','AA','880'),('1987-10-31','AA','883'),('1987-10-31','AA','885'),('1987-10-31','AA','885'),('1987-10-31','AA','885'),('1987-10-31','AA','890'),('1987-10-31','AA','890'),('1987-10-31','AA','893'),('1987-10-31','AA','893'),('1987-10-31','AA','905'),('1987-10-31','AA','905'),('1987-10-31','AA','915'),('1987-10-31','AA','929'),('1987-10-31','AA','929'),('1987-10-31','AA','936'),('1987-10-31','AA','936'),('1987-10-31','AA','937'),('1987-10-31','AA','937'),('1987-10-31','AA','955'),('1987-10-31','AA','955'),('1987-10-31','AA','1002'),('1987-10-31','AA','1002'),('1987-10-31','AA','1004'),('1987-10-31','AA','1004'),('1987-10-31','AA','1015'),('1987-10-31','AA','1015'),('1987-10-31','AA','1021'),('1987-10-31','AA','1021'),('1987-10-31','AA','1041'),('1987-10-31','AA','1041'),('1987-10-31','AA','1046'),('1987-10-31','AA','1046'),('1987-10-31','AA','1048'),('1987-10-31','AA','1048'),('1987-10-31','AA','1061'),('1987-10-31','AA','1061'),('1987-10-31','AA','1088'),('1987-10-31','AA','1088'),('1987-10-31','AA','2033'),('1987-10-31','AA','2058'),('1987-10-31','AA','2086'),('1987-10-31','AA','2105'),('1987-10-31','AA','2123'),('1987-10-31','AA','2123'),('1987-10-31','AA','2147'),('1987-10-31','AA','2147'),('1987-10-31','AA','2199'),('1987-10-31','AA','2199'),('1987-10-31','AA','2207'),('1987-10-31','AA','2207'),('1987-10-31','AA','2217'),('1987-10-31','AA','2230'),('1987-10-31','AA','2251'),('1987-10-31','AA','2251'),('1987-10-31','AA','2275'),('1987-10-31','AA','2278'),('1987-10-31','AA','2351'),('1987-10-31','AA','2357'),('1987-10-31','AA','2361'),('1987-10-31','AA','2528'),('1987-10-31','AA','2528'),('1987-10-31','AA','2735'),('1987-10-31','AA','2735'),('1987-10-31','AL','2'),('1987-10-31','AL','2'),('1987-10-31','AL','7'),('1987-10-31','AL','7'),('1987-10-31','AL','26'),('1987-10-31','AL','26'),('1987-10-31','AL','34'),('1987-10-31','AL','34'),('1987-10-31','AL','36'),('1987-10-31','AL','36'),('1987-10-31','AL','91'),('1987-10-31','AL','91'),('1987-10-31','AL','104'),('1987-10-31','AL','104'),('1987-10-31','AL','109'),('1987-10-31','AL','112'),('1987-10-31','AL','112'),('1987-10-31','AL','149'),('1987-10-31','AL','160'),('1987-10-31','AL','160'),('1987-10-31','AL','165'),('1987-10-31','AL','171'),('1987-10-31','AL','171'),('1987-10-31','AL','176'),('1987-10-31','AL','176'),('1987-10-31','AL','179'),('1987-10-31','AL','215'),('1987-10-31','AL','231'),('1987-10-31','AL','263'),('1987-10-31','AL','268'),('1987-10-31','AL','268'),('1987-10-31','AL','268'),('1987-10-31','AL','287'),('1987-10-31','AL','287'),('1987-10-31','AL','309'),('1987-10-31','AL','309'),('1987-10-31','AL','344'),('1987-10-31','AL','344'),('1987-10-31','AL','357'),('1987-10-31','AL','357'),('1987-10-31','AL','381'),('1987-10-31','AL','396'),('1987-10-31','AL','397'),('1987-10-31','AL','397'),('1987-10-31','AL','397'),('1987-10-31','AL','416'),('1987-10-31','AL','417'),('1987-10-31','AL','438'),('1987-10-31','AL','438'),('1987-10-31','AL','451'),('1987-10-31','AL','451'),('1987-10-31','AL','491'),('1987-10-31','AL','491'),('1987-10-31','AL','523'),('1987-10-31','AL','523'),('1987-10-31','AL','525'),('1987-10-31','AL','525'),('1987-10-31','AL','533'),('1987-10-31','AL','546'),('1987-10-31','AL','546'),('1987-10-31','AL','556'),('1987-10-31','AL','556'),('1987-10-31','AL','601'),('1987-10-31','AL','601'),('1987-10-31','AL','627'),('1987-10-31','AL','670'),('1987-10-31','AL','673'),('1987-10-31','AL','680'),('1987-10-31','AL','745'),('1987-10-31','AL','797'),('1987-10-31','AL','905'),('1987-10-31','AL','936'),('1987-10-31','AL','966'),('1987-10-31','AL','982');
 
-SELECT finalizeAggregation(Users) FROM (SELECT FlightDate, Carrier, uniqState(FlightNum) AS Users FROM test.ontime GROUP BY FlightDate, Carrier LIMIT 1);
+SELECT ignore(finalizeAggregation(Users)) FROM (SELECT FlightDate, Carrier, uniqState(FlightNum) AS Users FROM test.ontime GROUP BY FlightDate, Carrier LIMIT 1);
 
 DROP TABLE test.ontime;

From 754a4296dfe94a699dc7841cb12fc9b8f36c4364 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 06:23:48 +0300
Subject: [PATCH 32/34] Header in every stream: fixed non-deterministic test
 [#CLICKHOUSE-2]

---
 .../AddingConstColumnBlockInputStream.h       |  2 +-
 .../AggregatingBlockInputStream.cpp           |  2 +-
 .../DataStreams/AggregatingBlockInputStream.h |  2 +-
 .../AsynchronousBlockInputStream.h            |  2 +-
 .../DataStreams/BlockExtraInfoInputStream.h   |  2 +-
 .../BlockInputStreamFromRowInputStream.h      |  2 +-
 .../DataStreams/CastTypeBlockInputStream.h    |  2 +-
 .../CollapsingFinalBlockInputStream.h         |  2 +-
 dbms/src/DataStreams/ColumnGathererStream.h   |  2 +-
 dbms/src/DataStreams/ConcatBlockInputStream.h |  2 +-
 .../CreatingSetsBlockInputStream.h            |  2 +-
 .../DataStreams/DistinctBlockInputStream.h    |  2 +-
 .../DistinctSortedBlockInputStream.h          |  2 +-
 .../ExpressionBlockInputStream.cpp            |  2 +-
 .../DataStreams/ExpressionBlockInputStream.h  |  2 +-
 .../DataStreams/FilterBlockInputStream.cpp    | 49 +++++++++----------
 dbms/src/DataStreams/FilterBlockInputStream.h |  3 +-
 .../FilterColumnsBlockInputStream.cpp         |  2 +-
 .../FilterColumnsBlockInputStream.h           |  2 +-
 dbms/src/DataStreams/IBlockInputStream.h      |  2 +-
 .../InputStreamFromASTInsertQuery.h           |  2 +-
 dbms/src/DataStreams/LazyBlockInputStream.h   |  2 +-
 dbms/src/DataStreams/LimitBlockInputStream.h  |  2 +-
 .../src/DataStreams/LimitByBlockInputStream.h |  2 +-
 .../MaterializingBlockInputStream.cpp         |  2 +-
 .../MaterializingBlockInputStream.h           |  2 +-
 .../MergeSortingBlockInputStream.h            |  4 +-
 .../MergingAggregatedBlockInputStream.cpp     |  2 +-
 .../MergingAggregatedBlockInputStream.h       |  2 +-
 ...regatedMemoryEfficientBlockInputStream.cpp |  2 +-
 ...ggregatedMemoryEfficientBlockInputStream.h |  2 +-
 .../MergingSortedBlockInputStream.h           |  2 +-
 .../DataStreams/NativeBlockInputStream.cpp    |  5 +-
 dbms/src/DataStreams/NativeBlockInputStream.h |  2 +-
 .../NullAndDoCopyBlockInputStream.h           |  2 +-
 dbms/src/DataStreams/NullBlockInputStream.h   |  2 +-
 .../NullableAdapterBlockInputStream.h         |  2 +-
 dbms/src/DataStreams/OneBlockInputStream.h    |  2 +-
 dbms/src/DataStreams/OwningBlockInputStream.h |  2 +-
 .../ParallelAggregatingBlockInputStream.cpp   |  2 +-
 .../ParallelAggregatingBlockInputStream.h     |  2 +-
 .../PartialSortingBlockInputStream.h          |  2 +-
 dbms/src/DataStreams/RemoteBlockInputStream.h |  2 +-
 .../RemoveColumnsBlockInputStream.h           |  2 +-
 .../DataStreams/SquashingBlockInputStream.h   |  2 +-
 .../TotalsHavingBlockInputStream.cpp          |  2 +-
 .../TotalsHavingBlockInputStream.h            |  2 +-
 dbms/src/DataStreams/UnionBlockInputStream.h  |  2 +-
 .../DictionaryBlockInputStreamBase.cpp        |  2 +-
 .../DictionaryBlockInputStreamBase.h          |  2 +-
 .../ExecutableDictionarySource.cpp            |  2 +-
 .../Dictionaries/MongoDBBlockInputStream.h    |  2 +-
 dbms/src/Dictionaries/MySQLBlockInputStream.h |  2 +-
 dbms/src/Dictionaries/ODBCBlockInputStream.h  |  2 +-
 dbms/src/Interpreters/Aggregator.cpp          |  2 +-
 dbms/src/Interpreters/DDLWorker.cpp           |  2 +-
 .../InterpreterKillQueryQuery.cpp             |  2 +-
 dbms/src/Interpreters/Join.cpp                |  2 +-
 .../MergeTree/MergeTreeBlockInputStream.cpp   |  2 +-
 .../MergeTree/MergeTreeBlockInputStream.h     |  2 +-
 .../MergeTreeThreadBlockInputStream.cpp       |  2 +-
 .../MergeTreeThreadBlockInputStream.h         |  2 +-
 dbms/src/Storages/StorageBuffer.cpp           |  2 +-
 dbms/src/Storages/StorageCatBoostPool.cpp     |  2 +-
 dbms/src/Storages/StorageFile.cpp             |  2 +-
 dbms/src/Storages/StorageKafka.cpp            |  2 +-
 dbms/src/Storages/StorageLog.cpp              |  2 +-
 dbms/src/Storages/StorageMemory.cpp           |  2 +-
 dbms/src/Storages/StorageStripeLog.cpp        | 18 ++++---
 dbms/src/Storages/StorageTinyLog.cpp          |  2 +-
 .../Storages/System/StorageSystemNumbers.cpp  |  2 +-
 71 files changed, 110 insertions(+), 101 deletions(-)

diff --git a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
index 7afc84ab365..a62e881e606 100644
--- a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
+++ b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
@@ -31,7 +31,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         Block res = children.back()->getHeader();
         res.insert({data_type->createColumn(), data_type, column_name});
diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
index 45d85f7c682..8896c40e511 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.cpp
@@ -14,7 +14,7 @@ namespace ProfileEvents
 namespace DB
 {
 
-Block AggregatingBlockInputStream::getHeader()
+Block AggregatingBlockInputStream::getHeader() const
 {
     return aggregator.getHeader(final);
 }
diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.h b/dbms/src/DataStreams/AggregatingBlockInputStream.h
index daa300eb80d..3e986ab15bd 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.h
@@ -37,7 +37,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/AsynchronousBlockInputStream.h b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
index 89a9947394c..5c42d451214 100644
--- a/dbms/src/DataStreams/AsynchronousBlockInputStream.h
+++ b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
@@ -80,7 +80,7 @@ public:
     }
 
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 
     ~AsynchronousBlockInputStream() override
diff --git a/dbms/src/DataStreams/BlockExtraInfoInputStream.h b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
index 92107d2badd..f20b8f2e8fb 100644
--- a/dbms/src/DataStreams/BlockExtraInfoInputStream.h
+++ b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
@@ -31,7 +31,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.back()->getHeader(); }
+    Block getHeader() const override { return children.back()->getHeader(); }
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
index 0c77a2b5654..cc4dbee0cac 100644
--- a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
+++ b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
@@ -38,7 +38,7 @@ public:
 
     RowInputStreamPtr & getRowInput() { return row_input; }
 
-    Block getHeader() override { return sample; }
+    Block getHeader() const override { return sample; }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/CastTypeBlockInputStream.h b/dbms/src/DataStreams/CastTypeBlockInputStream.h
index a267611d17a..f788254323e 100644
--- a/dbms/src/DataStreams/CastTypeBlockInputStream.h
+++ b/dbms/src/DataStreams/CastTypeBlockInputStream.h
@@ -19,7 +19,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return ref_definition; }
+    Block getHeader() const override { return ref_definition; }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
index 77db2d6a8e9..a7938b498f0 100644
--- a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
@@ -48,7 +48,7 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/ColumnGathererStream.h b/dbms/src/DataStreams/ColumnGathererStream.h
index 65f0495e5b3..08ef0f75839 100644
--- a/dbms/src/DataStreams/ColumnGathererStream.h
+++ b/dbms/src/DataStreams/ColumnGathererStream.h
@@ -67,7 +67,7 @@ public:
 
     void readSuffixImpl() override;
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
     /// for use in implementations of IColumn::gather()
     template <typename Column>
diff --git a/dbms/src/DataStreams/ConcatBlockInputStream.h b/dbms/src/DataStreams/ConcatBlockInputStream.h
index 571c14ff57e..50135e8c1ac 100644
--- a/dbms/src/DataStreams/ConcatBlockInputStream.h
+++ b/dbms/src/DataStreams/ConcatBlockInputStream.h
@@ -41,7 +41,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
index 91383630139..502b13cab17 100644
--- a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
+++ b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
@@ -54,7 +54,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.back()->getHeader(); }
+    Block getHeader() const override { return children.back()->getHeader(); }
 
     /// Takes `totals` only from the main source, not from subquery sources.
     const Block & getTotals() override;
diff --git a/dbms/src/DataStreams/DistinctBlockInputStream.h b/dbms/src/DataStreams/DistinctBlockInputStream.h
index 72e1b6470a5..e1061f8a010 100644
--- a/dbms/src/DataStreams/DistinctBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctBlockInputStream.h
@@ -24,7 +24,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
index 3dc5984a0d1..c7a3546154b 100644
--- a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
@@ -27,7 +27,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index 7a18b0d5ee0..514d860a022 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -31,7 +31,7 @@ const Block & ExpressionBlockInputStream::getTotals()
     return totals;
 }
 
-Block ExpressionBlockInputStream::getHeader()
+Block ExpressionBlockInputStream::getHeader() const
 {
     Block res = children.back()->getHeader();
     expression->execute(res);
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.h b/dbms/src/DataStreams/ExpressionBlockInputStream.h
index 9d6c44330c0..84a9e9e59e1 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.h
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.h
@@ -24,7 +24,7 @@ public:
     String getName() const override;
     String getID() const override;
     const Block & getTotals() override;
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 22cfd71821b..077d3857058 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -29,9 +29,28 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
     children.push_back(input);
 
     /// Determine position of filter column.
-    Block input_header = input->getHeader();
-    expression->execute(input_header);
-    filter_column = input_header.getPositionByName(filter_column_name);
+    header = input->getHeader();
+    expression->execute(header);
+
+    filter_column = header.getPositionByName(filter_column_name);
+
+    /// Isn't the filter already constant?
+    ColumnPtr column = header.safeGetByPosition(filter_column).column;
+
+    if (!have_constant_filter_description)
+    {
+        have_constant_filter_description = true;
+        if (column)
+            constant_filter_description = ConstantFilterDescription(*column);
+    }
+
+    if (!constant_filter_description.always_false
+        && !constant_filter_description.always_true)
+    {
+        /// Replace the filter column to a constant with value 1.
+        auto header_filter_elem = header.getByPosition(filter_column);
+        header_filter_elem.column = header_filter_elem.type->createColumnConst(header.rows(), UInt64(1));
+    }
 }
 
 
@@ -58,29 +77,9 @@ const Block & FilterBlockInputStream::getTotals()
 }
 
 
-Block FilterBlockInputStream::getHeader()
+Block FilterBlockInputStream::getHeader() const
 {
-    Block res = children.back()->getHeader();
-    expression->execute(res);
-
-    /// Isn't the filter already constant?
-    ColumnPtr column = res.safeGetByPosition(filter_column).column;
-
-    if (!have_constant_filter_description)
-    {
-        have_constant_filter_description = true;
-        if (column)
-            constant_filter_description = ConstantFilterDescription(*column);
-    }
-
-    if (constant_filter_description.always_false
-        || constant_filter_description.always_true)
-        return res;
-
-    /// Replace the filter column to a constant with value 1.
-    auto res_filter_elem = res.getByPosition(filter_column);
-    res_filter_elem.column = res_filter_elem.type->createColumnConst(res.rows(), UInt64(1));
-    return res;
+    return header;
 }
 
 
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.h b/dbms/src/DataStreams/FilterBlockInputStream.h
index aad20f49fa9..b2ae29d25a2 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterBlockInputStream.h
@@ -27,13 +27,14 @@ public:
     String getName() const override;
     String getID() const override;
     const Block & getTotals() override;
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
 
 private:
     ExpressionActionsPtr expression;
+    Block header;
     ssize_t filter_column;
 
     ConstantFilterDescription constant_filter_description;
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
index 3c105dbccfa..ea39758f098 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
@@ -15,7 +15,7 @@ String FilterColumnsBlockInputStream::getID() const
     return res.str();
 }
 
-Block FilterColumnsBlockInputStream::getHeader()
+Block FilterColumnsBlockInputStream::getHeader() const
 {
     Block block = children.back()->getHeader();
     Block filtered;
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
index 5b2df80ca60..68a949e31d4 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
@@ -26,7 +26,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/IBlockInputStream.h b/dbms/src/DataStreams/IBlockInputStream.h
index 0ac750ccc23..42300c82d9c 100644
--- a/dbms/src/DataStreams/IBlockInputStream.h
+++ b/dbms/src/DataStreams/IBlockInputStream.h
@@ -52,7 +52,7 @@ public:
       * Header block contains column names, data types, columns of size 0. Constant columns must have corresponding values.
       * It is guaranteed that method "read" returns blocks of exactly that structure.
       */
-    virtual Block getHeader() = 0;
+    virtual Block getHeader() const = 0;
 
     /** Read next block.
       * If there are no more blocks, return an empty block (for which operator `bool` returns false).
diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
index f816fed404c..ccd1f3b7ec7 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
@@ -28,7 +28,7 @@ public:
     String getName() const override { return "InputStreamFromASTInsertQuery"; }
     String getID() const override { return "InputStreamFromASTInsertQuery(" + toString(std::intptr_t(this)) + ")"; }
 
-    Block getHeader() override { return res_stream->getHeader(); }
+    Block getHeader() const override { return res_stream->getHeader(); }
 
 private:
     std::unique_ptr<ReadBuffer> input_buffer_ast_part;
diff --git a/dbms/src/DataStreams/LazyBlockInputStream.h b/dbms/src/DataStreams/LazyBlockInputStream.h
index 783995a2496..6d05e570f53 100644
--- a/dbms/src/DataStreams/LazyBlockInputStream.h
+++ b/dbms/src/DataStreams/LazyBlockInputStream.h
@@ -33,7 +33,7 @@ public:
         IProfilingBlockInputStream::cancel();
     }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         return header;
     }
diff --git a/dbms/src/DataStreams/LimitBlockInputStream.h b/dbms/src/DataStreams/LimitBlockInputStream.h
index 209af3a3297..2715db4c483 100644
--- a/dbms/src/DataStreams/LimitBlockInputStream.h
+++ b/dbms/src/DataStreams/LimitBlockInputStream.h
@@ -28,7 +28,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/LimitByBlockInputStream.h b/dbms/src/DataStreams/LimitByBlockInputStream.h
index 6d30d0dca9d..88cf2ff1670 100644
--- a/dbms/src/DataStreams/LimitByBlockInputStream.h
+++ b/dbms/src/DataStreams/LimitByBlockInputStream.h
@@ -22,7 +22,7 @@ public:
 
     String getName() const override { return "LimitBy"; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
index a7a0798a955..264fa1c099f 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
@@ -22,7 +22,7 @@ String MaterializingBlockInputStream::getID() const
     return res.str();
 }
 
-Block MaterializingBlockInputStream::getHeader()
+Block MaterializingBlockInputStream::getHeader() const
 {
     return materializeBlock(children.back()->getHeader());
 }
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.h b/dbms/src/DataStreams/MaterializingBlockInputStream.h
index 2a4b127440e..01e5ae15a1b 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.h
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.h
@@ -13,7 +13,7 @@ public:
     MaterializingBlockInputStream(const BlockInputStreamPtr & input);
     String getName() const override;
     String getID() const override;
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MergeSortingBlockInputStream.h b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
index db4fb7454ed..8a51987808a 100644
--- a/dbms/src/DataStreams/MergeSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
@@ -39,7 +39,7 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
@@ -98,7 +98,7 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
index cf434eb05f0..5586033482d 100644
--- a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.cpp
@@ -6,7 +6,7 @@
 namespace DB
 {
 
-Block MergingAggregatedBlockInputStream::getHeader()
+Block MergingAggregatedBlockInputStream::getHeader() const
 {
     return aggregator.getHeader(final);
 }
diff --git a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
index e82bce0ab30..1b40f1951cd 100644
--- a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
@@ -29,7 +29,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
index 6032e2d7c7c..25e1b3f648c 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
@@ -90,7 +90,7 @@ MergingAggregatedMemoryEfficientBlockInputStream::MergingAggregatedMemoryEfficie
 }
 
 
-Block MergingAggregatedMemoryEfficientBlockInputStream::getHeader()
+Block MergingAggregatedMemoryEfficientBlockInputStream::getHeader() const
 {
     return aggregator.getHeader(final);
 }
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
index b4dad7979ed..506eb503616 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
@@ -80,7 +80,7 @@ public:
       */
     void cancel() override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/MergingSortedBlockInputStream.h b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
index fb9f2f98a60..8b0c1d3ac07 100644
--- a/dbms/src/DataStreams/MergingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
@@ -76,7 +76,7 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     struct RowRef
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.cpp b/dbms/src/DataStreams/NativeBlockInputStream.cpp
index 0994fbfa34e..1ec7c902065 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NativeBlockInputStream.cpp
@@ -43,6 +43,9 @@ NativeBlockInputStream::NativeBlockInputStream(ReadBuffer & istr_, UInt64 server
     if (!istr_concrete)
         throw Exception("When need to use index for NativeBlockInputStream, istr must be CompressedReadBufferFromFile.", ErrorCodes::LOGICAL_ERROR);
 
+    if (index_block_it == index_block_end)
+        return;
+
     index_column_it = index_block_it->columns.begin();
 
     /// Initialize header from the index.
@@ -64,7 +67,7 @@ void NativeBlockInputStream::readData(const IDataType & type, IColumn & column,
 }
 
 
-Block NativeBlockInputStream::getHeader()
+Block NativeBlockInputStream::getHeader() const
 {
     return header;
 }
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.h b/dbms/src/DataStreams/NativeBlockInputStream.h
index c36d463d548..90f6d2b3b39 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.h
+++ b/dbms/src/DataStreams/NativeBlockInputStream.h
@@ -83,7 +83,7 @@ public:
 
     static void readData(const IDataType & type, IColumn & column, ReadBuffer & istr, size_t rows, double avg_value_size_hint);
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
index a32f8bbde7c..4a3712b6603 100644
--- a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
+++ b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
@@ -35,7 +35,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return {}; }
+    Block getHeader() const override { return {}; }
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/DataStreams/NullBlockInputStream.h b/dbms/src/DataStreams/NullBlockInputStream.h
index fa3abdecae8..9272dddd15a 100644
--- a/dbms/src/DataStreams/NullBlockInputStream.h
+++ b/dbms/src/DataStreams/NullBlockInputStream.h
@@ -14,7 +14,7 @@ public:
     NullBlockInputStream(const Block & header) : header(header) {}
 
     Block read() override { return {}; }
-    Block getHeader() override { return header; }
+    Block getHeader() const override { return header; }
     String getName() const override { return "Null"; }
 
 private:
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
index bcddaaa06dc..3b77135c3fd 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
@@ -24,7 +24,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return header; }
+    Block getHeader() const override { return header; }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/OneBlockInputStream.h b/dbms/src/DataStreams/OneBlockInputStream.h
index bedfc342902..22480089f86 100644
--- a/dbms/src/DataStreams/OneBlockInputStream.h
+++ b/dbms/src/DataStreams/OneBlockInputStream.h
@@ -16,7 +16,7 @@ public:
 
     String getName() const override { return "One"; }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         Block res;
         for (const auto & elem : block)
diff --git a/dbms/src/DataStreams/OwningBlockInputStream.h b/dbms/src/DataStreams/OwningBlockInputStream.h
index 2da059abdea..84f00d1c328 100644
--- a/dbms/src/DataStreams/OwningBlockInputStream.h
+++ b/dbms/src/DataStreams/OwningBlockInputStream.h
@@ -20,7 +20,7 @@ public:
         children.push_back(stream);
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 private:
     Block readImpl() override { return stream->read(); }
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
index 4419581cd28..fdb192d2e02 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
@@ -29,7 +29,7 @@ ParallelAggregatingBlockInputStream::ParallelAggregatingBlockInputStream(
 }
 
 
-Block ParallelAggregatingBlockInputStream::getHeader()
+Block ParallelAggregatingBlockInputStream::getHeader() const
 {
     return aggregator.getHeader(final);
 }
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
index 5a4e33c29c9..4f89ea9bf98 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
@@ -31,7 +31,7 @@ public:
 
     void cancel() override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     /// Do nothing that preparation to execution of the query be done in parallel, in ParallelInputsProcessor.
diff --git a/dbms/src/DataStreams/PartialSortingBlockInputStream.h b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
index c8da17cc278..7c546f49199 100644
--- a/dbms/src/DataStreams/PartialSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
@@ -39,7 +39,7 @@ public:
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.h b/dbms/src/DataStreams/RemoteBlockInputStream.h
index bf15480fbed..803aadca2ee 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.h
@@ -78,7 +78,7 @@ public:
         return multiplexed_connections->getBlockExtraInfo();
     }
 
-    Block getHeader() override { return header; }
+    Block getHeader() const override { return header; }
 
 protected:
     /// Send all temporary tables to remote servers
diff --git a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
index f2fe0d3497e..2be12f9e06d 100644
--- a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
@@ -34,7 +34,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         Block res = children.back()->getHeader();
 
diff --git a/dbms/src/DataStreams/SquashingBlockInputStream.h b/dbms/src/DataStreams/SquashingBlockInputStream.h
index a183c58a92c..8a49abc2208 100644
--- a/dbms/src/DataStreams/SquashingBlockInputStream.h
+++ b/dbms/src/DataStreams/SquashingBlockInputStream.h
@@ -23,7 +23,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index 24a74cfa1d8..a9f0a20d8f9 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -83,7 +83,7 @@ const Block & TotalsHavingBlockInputStream::getTotals()
 }
 
 
-Block TotalsHavingBlockInputStream::getHeader()
+Block TotalsHavingBlockInputStream::getHeader() const
 {
     Block res = children.at(0)->getHeader();
     finalize(res);
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
index 340a18c2bd5..5bf0dabe1e8 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
@@ -31,7 +31,7 @@ public:
 
     const Block & getTotals() override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/UnionBlockInputStream.h b/dbms/src/DataStreams/UnionBlockInputStream.h
index 6bbef8e370f..edd65690657 100644
--- a/dbms/src/DataStreams/UnionBlockInputStream.h
+++ b/dbms/src/DataStreams/UnionBlockInputStream.h
@@ -139,7 +139,7 @@ public:
         return doGetBlockExtraInfo();
     }
 
-    Block getHeader() override { return children.at(0)->getHeader(); }
+    Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
     void finalize()
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
index 209e0dfed38..1520666284a 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
@@ -26,7 +26,7 @@ Block DictionaryBlockInputStreamBase::readImpl()
     return block;
 }
 
-Block DictionaryBlockInputStreamBase::getHeader()
+Block DictionaryBlockInputStreamBase::getHeader() const
 {
     return getBlock(0, 0);
 }
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
index 99da5c1f48b..b08c13654ad 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
@@ -15,7 +15,7 @@ protected:
 
     virtual Block getBlock(size_t start, size_t length) const = 0;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 private:
     const size_t rows_count;
diff --git a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
index b169a8af130..b6f4ac4be30 100644
--- a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
+++ b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
@@ -101,7 +101,7 @@ public:
         }
     }
 
-    Block getHeader() override { return stream->getHeader(); };
+    Block getHeader() const override { return stream->getHeader(); };
 
 private:
     Block readImpl() override { return stream->read(); }
diff --git a/dbms/src/Dictionaries/MongoDBBlockInputStream.h b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
index 5c4702af278..e7c6beb4256 100644
--- a/dbms/src/Dictionaries/MongoDBBlockInputStream.h
+++ b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
@@ -34,7 +34,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return description.sample_block; };
+    Block getHeader() const override { return description.sample_block; };
 
 private:
     Block readImpl() override;
diff --git a/dbms/src/Dictionaries/MySQLBlockInputStream.h b/dbms/src/Dictionaries/MySQLBlockInputStream.h
index 80da1b9480e..564df311e2b 100644
--- a/dbms/src/Dictionaries/MySQLBlockInputStream.h
+++ b/dbms/src/Dictionaries/MySQLBlockInputStream.h
@@ -23,7 +23,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return description.sample_block; };
+    Block getHeader() const override { return description.sample_block; };
 
 private:
     Block readImpl() override;
diff --git a/dbms/src/Dictionaries/ODBCBlockInputStream.h b/dbms/src/Dictionaries/ODBCBlockInputStream.h
index 683a5973e77..cdbd75f53a6 100644
--- a/dbms/src/Dictionaries/ODBCBlockInputStream.h
+++ b/dbms/src/Dictionaries/ODBCBlockInputStream.h
@@ -29,7 +29,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override { return description.sample_block; };
+    Block getHeader() const override { return description.sample_block; };
 
 private:
     Block readImpl() override;
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 7a7b38b4915..72707486f4b 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -1595,7 +1595,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return aggregator.getHeader(final); }
+    Block getHeader() const override { return aggregator.getHeader(final); }
 
     ~MergingAndConvertingBlockInputStream()
     {
diff --git a/dbms/src/Interpreters/DDLWorker.cpp b/dbms/src/Interpreters/DDLWorker.cpp
index c0dcc0f3872..1ea573374bc 100644
--- a/dbms/src/Interpreters/DDLWorker.cpp
+++ b/dbms/src/Interpreters/DDLWorker.cpp
@@ -969,7 +969,7 @@ public:
         return "DDLQueryStatusInputSream(" + node_path + ")";
     }
 
-    Block getHeader() override { return sample; };
+    Block getHeader() const override { return sample; };
 
     Block readImpl() override
     {
diff --git a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
index 5dfccd3ef31..7774bfd512a 100644
--- a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
@@ -123,7 +123,7 @@ public:
         return "SynchronousQueryKiller_" + toString(intptr_t(this));
     }
 
-    Block getHeader() override { return res_sample_block; };
+    Block getHeader() const override { return res_sample_block; };
 
     Block readImpl() override
     {
diff --git a/dbms/src/Interpreters/Join.cpp b/dbms/src/Interpreters/Join.cpp
index 52e2bf993af..2d5244f6383 100644
--- a/dbms/src/Interpreters/Join.cpp
+++ b/dbms/src/Interpreters/Join.cpp
@@ -1045,7 +1045,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return result_sample_block; };
+    Block getHeader() const override { return result_sample_block; };
 
 
 protected:
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
index c92b795a051..fbe02249260 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
@@ -63,7 +63,7 @@ MergeTreeBlockInputStream::MergeTreeBlockInputStream(
 }
 
 
-Block MergeTreeBlockInputStream::getHeader()
+Block MergeTreeBlockInputStream::getHeader() const
 {
     return storage.getSampleBlockForColumns(ordered_names);
 }
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
index 8515a7b5a68..2d81388d6d3 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
@@ -40,7 +40,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
     /// Closes readers and unlock part locks
     void finish();
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
index af8f91d0231..7d87558f0c0 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
@@ -38,7 +38,7 @@ MergeTreeThreadBlockInputStream::MergeTreeThreadBlockInputStream(
 }
 
 
-Block MergeTreeThreadBlockInputStream::getHeader()
+Block MergeTreeThreadBlockInputStream::getHeader() const
 {
     return pool->getHeader();
 };
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
index 58a9859c4f9..213b3985266 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
@@ -34,7 +34,7 @@ public:
 
     ~MergeTreeThreadBlockInputStream() override;
 
-    Block getHeader() override;
+    Block getHeader() const override;
 
 protected:
     /// Requests read task from MergeTreeReadPool and signals whether it got one
diff --git a/dbms/src/Storages/StorageBuffer.cpp b/dbms/src/Storages/StorageBuffer.cpp
index 2c2ccc5fc95..3a2fad35505 100644
--- a/dbms/src/Storages/StorageBuffer.cpp
+++ b/dbms/src/Storages/StorageBuffer.cpp
@@ -88,7 +88,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); };
+    Block getHeader() const override { return storage.getSampleBlockForColumns(column_names); };
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/Storages/StorageCatBoostPool.cpp b/dbms/src/Storages/StorageCatBoostPool.cpp
index 8c519e2fd31..d336baa2ad9 100644
--- a/dbms/src/Storages/StorageCatBoostPool.cpp
+++ b/dbms/src/Storages/StorageCatBoostPool.cpp
@@ -59,7 +59,7 @@ public:
         reader->readSuffix();
     }
 
-    Block getHeader() override { return sample_block; };
+    Block getHeader() const override { return sample_block; };
 
 private:
     Block sample_block;
diff --git a/dbms/src/Storages/StorageFile.cpp b/dbms/src/Storages/StorageFile.cpp
index b918ca65564..188c975cf0c 100644
--- a/dbms/src/Storages/StorageFile.cpp
+++ b/dbms/src/Storages/StorageFile.cpp
@@ -161,7 +161,7 @@ public:
         return reader->read();
     }
 
-    Block getHeader() override { return reader->getHeader(); };
+    Block getHeader() const override { return reader->getHeader(); };
 
     void readPrefixImpl() override
     {
diff --git a/dbms/src/Storages/StorageKafka.cpp b/dbms/src/Storages/StorageKafka.cpp
index 45f7560e090..be6b9141c69 100644
--- a/dbms/src/Storages/StorageKafka.cpp
+++ b/dbms/src/Storages/StorageKafka.cpp
@@ -176,7 +176,7 @@ public:
         return reader->read();
     }
 
-    Block getHeader() override { return reader->getHeader(); };
+    Block getHeader() const override { return reader->getHeader(); };
 
     void readPrefixImpl() override
     {
diff --git a/dbms/src/Storages/StorageLog.cpp b/dbms/src/Storages/StorageLog.cpp
index 16b61edb8a7..e0c32b7d259 100644
--- a/dbms/src/Storages/StorageLog.cpp
+++ b/dbms/src/Storages/StorageLog.cpp
@@ -74,7 +74,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         Block res;
 
diff --git a/dbms/src/Storages/StorageMemory.cpp b/dbms/src/Storages/StorageMemory.cpp
index 876378607ce..8f0685cf3f9 100644
--- a/dbms/src/Storages/StorageMemory.cpp
+++ b/dbms/src/Storages/StorageMemory.cpp
@@ -37,7 +37,7 @@ public:
         return res.str();
     }
 
-    Block getHeader() override { return storage.getSampleBlockForColumns(column_names); }
+    Block getHeader() const override { return storage.getSampleBlockForColumns(column_names); }
 
 protected:
     Block readImpl() override
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index 63589118f55..eddcb3f69d9 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -21,6 +21,8 @@
 #include <DataStreams/NativeBlockOutputStream.h>
 #include <DataStreams/NullBlockInputStream.h>
 
+#include <DataTypes/DataTypeFactory.h>
+
 #include <Columns/ColumnArray.h>
 
 #include <Interpreters/Context.h>
@@ -64,14 +66,18 @@ public:
         return s.str();
     }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
-        start();
-
-        if (block_in)
-            return block_in->getHeader();
-        else
+        if (index_begin == index_end)
             return {};
+
+        Block header;
+        for (const auto & column : index_begin->columns)
+        {
+            auto type = DataTypeFactory::instance().get(column.type);
+            header.insert({ type->createColumn(), type, column.name });
+        }
+        return header;
     };
 
 protected:
diff --git a/dbms/src/Storages/StorageTinyLog.cpp b/dbms/src/Storages/StorageTinyLog.cpp
index 1b1d343594e..7d6cd9dcca9 100644
--- a/dbms/src/Storages/StorageTinyLog.cpp
+++ b/dbms/src/Storages/StorageTinyLog.cpp
@@ -62,7 +62,7 @@ public:
 
     String getID() const override;
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         Block res;
 
diff --git a/dbms/src/Storages/System/StorageSystemNumbers.cpp b/dbms/src/Storages/System/StorageSystemNumbers.cpp
index 6910f5d3b5e..9ffa5e014c8 100644
--- a/dbms/src/Storages/System/StorageSystemNumbers.cpp
+++ b/dbms/src/Storages/System/StorageSystemNumbers.cpp
@@ -18,7 +18,7 @@ public:
     String getName() const override { return "Numbers"; }
     String getID() const override { return "Numbers"; }
 
-    Block getHeader() override
+    Block getHeader() const override
     {
         return { ColumnWithTypeAndName(ColumnUInt64::create(), std::make_shared<DataTypeUInt64>(), "number") };
     }

From afe09d31381d8c6a64c82fc76b9c90ecce06fbe1 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 06:46:18 +0300
Subject: [PATCH 33/34] Removed unused code [#CLICKHOUSE-2]

---
 dbms/src/Core/iostream_debug_helpers.cpp      |  2 +-
 .../AddingConstColumnBlockInputStream.h       |  7 ----
 .../DataStreams/AggregatingBlockInputStream.h |  7 ----
 .../AggregatingSortedBlockInputStream.h       | 17 --------
 .../AsynchronousBlockInputStream.h            |  7 ----
 .../DataStreams/BlockExtraInfoInputStream.h   |  7 ----
 .../BlockInputStreamFromRowInputStream.h      |  7 ----
 .../DataStreams/BlocksListBlockInputStream.h  |  7 ----
 .../DataStreams/CastTypeBlockInputStream.cpp  |  5 ---
 .../DataStreams/CastTypeBlockInputStream.h    |  2 -
 .../CollapsingFinalBlockInputStream.h         | 17 --------
 .../CollapsingSortedBlockInputStream.h        | 17 --------
 dbms/src/DataStreams/ColumnGathererStream.cpp | 17 +-------
 dbms/src/DataStreams/ColumnGathererStream.h   |  2 -
 dbms/src/DataStreams/ConcatBlockInputStream.h | 19 ---------
 .../CreatingSetsBlockInputStream.h            | 19 ---------
 .../DataStreams/DistinctBlockInputStream.cpp  |  7 ----
 .../DataStreams/DistinctBlockInputStream.h    |  2 -
 .../DistinctSortedBlockInputStream.cpp        |  7 ----
 .../DistinctSortedBlockInputStream.h          |  2 -
 .../ExpressionBlockInputStream.cpp            |  7 ----
 .../DataStreams/ExpressionBlockInputStream.h  |  1 -
 .../DataStreams/FilterBlockInputStream.cpp    |  8 ----
 dbms/src/DataStreams/FilterBlockInputStream.h |  1 -
 .../FilterColumnsBlockInputStream.cpp         | 12 ------
 .../FilterColumnsBlockInputStream.h           |  2 -
 .../GraphiteRollupSortedBlockInputStream.h    | 17 --------
 dbms/src/DataStreams/IBlockInputStream.cpp    |  8 ----
 dbms/src/DataStreams/IBlockInputStream.h      |  8 ----
 .../InputStreamFromASTInsertQuery.h           |  1 -
 dbms/src/DataStreams/LimitBlockInputStream.h  |  7 ----
 .../MaterializingBlockInputStream.cpp         |  7 ----
 .../MaterializingBlockInputStream.h           |  1 -
 .../MergeSortingBlockInputStream.h            | 13 -------
 .../MergingAggregatedBlockInputStream.h       |  7 ----
 ...regatedMemoryEfficientBlockInputStream.cpp | 11 ------
 ...ggregatedMemoryEfficientBlockInputStream.h |  2 -
 .../MergingSortedBlockInputStream.cpp         | 22 -----------
 .../MergingSortedBlockInputStream.h           |  2 -
 dbms/src/DataStreams/NativeBlockInputStream.h |  7 ----
 .../NullAndDoCopyBlockInputStream.h           |  7 ----
 .../NullableAdapterBlockInputStream.cpp       |  7 ----
 .../NullableAdapterBlockInputStream.h         |  2 -
 dbms/src/DataStreams/OwningBlockInputStream.h |  2 -
 .../ParallelAggregatingBlockInputStream.cpp   | 20 ----------
 .../ParallelAggregatingBlockInputStream.h     |  2 -
 .../PartialSortingBlockInputStream.h          | 12 ------
 dbms/src/DataStreams/RemoteBlockInputStream.h |  7 ----
 .../RemoveColumnsBlockInputStream.h           | 12 ------
 .../ReplacingSortedBlockInputStream.h         | 17 --------
 .../DataStreams/SquashingBlockInputStream.h   |  7 ----
 .../SummingSortedBlockInputStream.cpp         | 18 ---------
 .../SummingSortedBlockInputStream.h           |  2 -
 .../TotalsHavingBlockInputStream.cpp          |  9 -----
 .../TotalsHavingBlockInputStream.h            |  2 -
 dbms/src/DataStreams/UnionBlockInputStream.h  | 20 ----------
 ...ersionedCollapsingSortedBlockInputStream.h | 18 ---------
 .../DictionaryBlockInputStreamBase.cpp        |  7 ----
 .../DictionaryBlockInputStreamBase.h          |  2 -
 .../ExecutableDictionarySource.cpp            |  1 -
 .../Dictionaries/MongoDBBlockInputStream.cpp  |  8 ----
 .../Dictionaries/MongoDBBlockInputStream.h    |  2 -
 .../Dictionaries/MySQLBlockInputStream.cpp    |  6 ---
 dbms/src/Dictionaries/MySQLBlockInputStream.h |  2 -
 .../src/Dictionaries/ODBCBlockInputStream.cpp |  6 ---
 dbms/src/Dictionaries/ODBCBlockInputStream.h  |  2 -
 dbms/src/Interpreters/Aggregator.cpp          | 22 -----------
 dbms/src/Interpreters/Aggregator.h            |  3 --
 dbms/src/Interpreters/DDLWorker.cpp           |  5 ---
 dbms/src/Interpreters/ExpressionActions.cpp   | 39 -------------------
 dbms/src/Interpreters/ExpressionActions.h     |  2 -
 .../InterpreterKillQueryQuery.cpp             |  5 ---
 dbms/src/Interpreters/Join.cpp                |  7 ----
 .../MergeTree/MergeTreeBlockInputStream.cpp   | 20 ----------
 .../MergeTree/MergeTreeBlockInputStream.h     |  2 -
 .../MergeTreeThreadBlockInputStream.cpp       |  9 -----
 .../MergeTreeThreadBlockInputStream.h         |  2 -
 dbms/src/Storages/StorageBuffer.cpp           | 12 ------
 dbms/src/Storages/StorageCatBoostPool.cpp     |  5 ---
 dbms/src/Storages/StorageFile.cpp             | 12 ------
 dbms/src/Storages/StorageKafka.cpp            |  7 ----
 dbms/src/Storages/StorageLog.cpp              | 12 ------
 dbms/src/Storages/StorageMemory.cpp           | 12 ------
 dbms/src/Storages/StorageStripeLog.cpp        |  7 ----
 dbms/src/Storages/StorageTinyLog.cpp          | 15 -------
 .../Storages/System/StorageSystemNumbers.cpp  |  1 -
 86 files changed, 3 insertions(+), 717 deletions(-)

diff --git a/dbms/src/Core/iostream_debug_helpers.cpp b/dbms/src/Core/iostream_debug_helpers.cpp
index 3e29ff14e85..57a3d215b69 100644
--- a/dbms/src/Core/iostream_debug_helpers.cpp
+++ b/dbms/src/Core/iostream_debug_helpers.cpp
@@ -18,7 +18,7 @@ namespace DB
 
 std::ostream & operator<<(std::ostream & stream, const IBlockInputStream & what)
 {
-    stream << "IBlockInputStream(id = " << what.getID() << ", name = " << what.getName() << ")";
+    stream << "IBlockInputStream(name = " << what.getName() << ")";
     //what.dumpTree(stream); // todo: set const
     return stream;
 }
diff --git a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
index a62e881e606..e22dd7f4310 100644
--- a/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
+++ b/dbms/src/DataStreams/AddingConstColumnBlockInputStream.h
@@ -24,13 +24,6 @@ public:
 
     String getName() const override { return "AddingConstColumn"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "AddingConstColumn(" << children.back()->getID() << ")";
-        return res.str();
-    }
-
     Block getHeader() const override
     {
         Block res = children.back()->getHeader();
diff --git a/dbms/src/DataStreams/AggregatingBlockInputStream.h b/dbms/src/DataStreams/AggregatingBlockInputStream.h
index 3e986ab15bd..a28814dcab8 100644
--- a/dbms/src/DataStreams/AggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingBlockInputStream.h
@@ -30,13 +30,6 @@ public:
 
     String getName() const override { return "Aggregating"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Aggregating(" << children.back()->getID() << ", " << aggregator.getID() << ")";
-        return res.str();
-    }
-
     Block getHeader() const override;
 
 protected:
diff --git a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
index 4f8b10c102f..e428b3b7e20 100644
--- a/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/AggregatingSortedBlockInputStream.h
@@ -28,23 +28,6 @@ public:
 
     String getName() const override { return "AggregatingSorted"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "AggregatingSorted(inputs";
-
-        for (size_t i = 0; i < children.size(); ++i)
-            res << ", " << children[i]->getID();
-
-        res << ", description";
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ")";
-        return res.str();
-    }
-
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
 
diff --git a/dbms/src/DataStreams/AsynchronousBlockInputStream.h b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
index 5c42d451214..0a80628cf2a 100644
--- a/dbms/src/DataStreams/AsynchronousBlockInputStream.h
+++ b/dbms/src/DataStreams/AsynchronousBlockInputStream.h
@@ -35,13 +35,6 @@ public:
 
     String getName() const override { return "Asynchronous"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Asynchronous(" << children.back()->getID() << ")";
-        return res.str();
-    }
-
     void readPrefix() override
     {
         /// Do not call `readPrefix` on the child, so that the corresponding actions are performed in a separate thread.
diff --git a/dbms/src/DataStreams/BlockExtraInfoInputStream.h b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
index f20b8f2e8fb..6c6bd793f56 100644
--- a/dbms/src/DataStreams/BlockExtraInfoInputStream.h
+++ b/dbms/src/DataStreams/BlockExtraInfoInputStream.h
@@ -24,13 +24,6 @@ public:
 
     String getName() const override { return "BlockExtraInfoInput"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "BlockExtraInfoInput(" << children.back()->getID() << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return children.back()->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
index cc4dbee0cac..0ab725be9a0 100644
--- a/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
+++ b/dbms/src/DataStreams/BlockInputStreamFromRowInputStream.h
@@ -29,13 +29,6 @@ public:
 
     String getName() const override { return "BlockInputStreamFromRowInputStream"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
     RowInputStreamPtr & getRowInput() { return row_input; }
 
     Block getHeader() const override { return sample; }
diff --git a/dbms/src/DataStreams/BlocksListBlockInputStream.h b/dbms/src/DataStreams/BlocksListBlockInputStream.h
index b477e34d3ca..6c8852de4a3 100644
--- a/dbms/src/DataStreams/BlocksListBlockInputStream.h
+++ b/dbms/src/DataStreams/BlocksListBlockInputStream.h
@@ -22,13 +22,6 @@ public:
 
     String getName() const override { return "BlocksList"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
 protected:
     Block readImpl() override
     {
diff --git a/dbms/src/DataStreams/CastTypeBlockInputStream.cpp b/dbms/src/DataStreams/CastTypeBlockInputStream.cpp
index e792fc8afa4..9dbd0962c93 100644
--- a/dbms/src/DataStreams/CastTypeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/CastTypeBlockInputStream.cpp
@@ -20,11 +20,6 @@ String CastTypeBlockInputStream::getName() const
     return "CastType";
 }
 
-String CastTypeBlockInputStream::getID() const
-{
-    return "CastType(" + children.back()->getID() + ")";
-}
-
 Block CastTypeBlockInputStream::readImpl()
 {
     Block block = children.back()->read();
diff --git a/dbms/src/DataStreams/CastTypeBlockInputStream.h b/dbms/src/DataStreams/CastTypeBlockInputStream.h
index f788254323e..b92a7ffa31f 100644
--- a/dbms/src/DataStreams/CastTypeBlockInputStream.h
+++ b/dbms/src/DataStreams/CastTypeBlockInputStream.h
@@ -17,8 +17,6 @@ public:
 
     String getName() const override;
 
-    String getID() const override;
-
     Block getHeader() const override { return ref_definition; }
 
 protected:
diff --git a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
index a7938b498f0..db06a2aa9d3 100644
--- a/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingFinalBlockInputStream.h
@@ -28,23 +28,6 @@ public:
 
     String getName() const override { return "CollapsingFinal"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "CollapsingFinal(inputs";
-
-        for (size_t i = 0; i < children.size(); ++i)
-            res << ", " << children[i]->getID();
-
-        res << ", description";
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ", sign_column, " << sign_column_name << ")";
-        return res.str();
-    }
-
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
 
diff --git a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
index 9d9043b30c5..7280dda02b1 100644
--- a/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/CollapsingSortedBlockInputStream.h
@@ -33,23 +33,6 @@ public:
 
     String getName() const override { return "CollapsingSorted"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "CollapsingSorted(inputs";
-
-        for (size_t i = 0; i < children.size(); ++i)
-            res << ", " << children[i]->getID();
-
-        res << ", description";
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ", sign_column, " << sign_column << ")";
-        return res.str();
-    }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/ColumnGathererStream.cpp b/dbms/src/DataStreams/ColumnGathererStream.cpp
index 81a9d3348b0..ba4107f7e8b 100644
--- a/dbms/src/DataStreams/ColumnGathererStream.cpp
+++ b/dbms/src/DataStreams/ColumnGathererStream.cpp
@@ -30,19 +30,6 @@ ColumnGathererStream::ColumnGathererStream(
 }
 
 
-String ColumnGathererStream::getID() const
-{
-    std::stringstream res;
-
-    res << getName() << "(";
-    for (size_t i = 0; i < children.size(); ++i)
-        res << (i == 0 ? "" : ", " ) << children[i]->getID();
-    res << ")";
-
-    return res.str();
-}
-
-
 void ColumnGathererStream::init()
 {
     sources.reserve(children.size());
@@ -107,13 +94,13 @@ void ColumnGathererStream::fetchNewBlock(Source & source, size_t source_num)
     }
     catch (Exception & e)
     {
-        e.addMessage("Cannot fetch required block. Stream " + children[source_num]->getID() + ", part " + toString(source_num));
+        e.addMessage("Cannot fetch required block. Stream " + children[source_num]->getName() + ", part " + toString(source_num));
         throw;
     }
 
     if (0 == source.size)
     {
-        throw Exception("Fetched block is empty. Stream " + children[source_num]->getID() + ", part " + toString(source_num),
+        throw Exception("Fetched block is empty. Stream " + children[source_num]->getName() + ", part " + toString(source_num),
                         ErrorCodes::RECEIVED_EMPTY_DATA);
     }
 }
diff --git a/dbms/src/DataStreams/ColumnGathererStream.h b/dbms/src/DataStreams/ColumnGathererStream.h
index 08ef0f75839..101e8fdccf3 100644
--- a/dbms/src/DataStreams/ColumnGathererStream.h
+++ b/dbms/src/DataStreams/ColumnGathererStream.h
@@ -61,8 +61,6 @@ public:
 
     String getName() const override { return "ColumnGatherer"; }
 
-    String getID() const override;
-
     Block readImpl() override;
 
     void readSuffixImpl() override;
diff --git a/dbms/src/DataStreams/ConcatBlockInputStream.h b/dbms/src/DataStreams/ConcatBlockInputStream.h
index 50135e8c1ac..fafcbc6950c 100644
--- a/dbms/src/DataStreams/ConcatBlockInputStream.h
+++ b/dbms/src/DataStreams/ConcatBlockInputStream.h
@@ -22,25 +22,6 @@ public:
 
     String getName() const override { return "Concat"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Concat(";
-
-        Strings children_ids(children.size());
-        for (size_t i = 0; i < children.size(); ++i)
-            children_ids[i] = children[i]->getID();
-
-        /// Let's assume that the order of concatenation of blocks does not matter.
-        std::sort(children_ids.begin(), children_ids.end());
-
-        for (size_t i = 0; i < children_ids.size(); ++i)
-            res << (i == 0 ? "" : ", ") << children_ids[i];
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
index 502b13cab17..85088d1d8fc 100644
--- a/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
+++ b/dbms/src/DataStreams/CreatingSetsBlockInputStream.h
@@ -35,25 +35,6 @@ public:
 
     String getName() const override { return "CreatingSets"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "CreatingSets(";
-
-        Strings children_ids(children.size());
-        for (size_t i = 0; i < children.size(); ++i)
-            children_ids[i] = children[i]->getID();
-
-        /// Let's assume that the order of creating sets does not matter.
-        std::sort(children_ids.begin(), children_ids.end() - 1);
-
-        for (size_t i = 0; i < children_ids.size(); ++i)
-            res << (i == 0 ? "" : ", ") << children_ids[i];
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return children.back()->getHeader(); }
 
     /// Takes `totals` only from the main source, not from subquery sources.
diff --git a/dbms/src/DataStreams/DistinctBlockInputStream.cpp b/dbms/src/DataStreams/DistinctBlockInputStream.cpp
index f10eda57e05..50949b2f0cc 100644
--- a/dbms/src/DataStreams/DistinctBlockInputStream.cpp
+++ b/dbms/src/DataStreams/DistinctBlockInputStream.cpp
@@ -18,13 +18,6 @@ DistinctBlockInputStream::DistinctBlockInputStream(const BlockInputStreamPtr & i
     children.push_back(input);
 }
 
-String DistinctBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "Distinct(" << children.back()->getID() << ")";
-    return res.str();
-}
-
 Block DistinctBlockInputStream::readImpl()
 {
     /// Execute until end of stream or until
diff --git a/dbms/src/DataStreams/DistinctBlockInputStream.h b/dbms/src/DataStreams/DistinctBlockInputStream.h
index e1061f8a010..60a92e0399a 100644
--- a/dbms/src/DataStreams/DistinctBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctBlockInputStream.h
@@ -22,8 +22,6 @@ public:
 
     String getName() const override { return "Distinct"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/DistinctSortedBlockInputStream.cpp b/dbms/src/DataStreams/DistinctSortedBlockInputStream.cpp
index 59395d26b23..e9e5d69d047 100644
--- a/dbms/src/DataStreams/DistinctSortedBlockInputStream.cpp
+++ b/dbms/src/DataStreams/DistinctSortedBlockInputStream.cpp
@@ -19,13 +19,6 @@ DistinctSortedBlockInputStream::DistinctSortedBlockInputStream(const BlockInputS
     children.push_back(input);
 }
 
-String DistinctSortedBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "DistinctSorted(" << children.back()->getID() << ")";
-    return res.str();
-}
-
 Block DistinctSortedBlockInputStream::readImpl()
 {
     /// Execute until end of stream or until
diff --git a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
index c7a3546154b..33c6cef7774 100644
--- a/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/DistinctSortedBlockInputStream.h
@@ -25,8 +25,6 @@ public:
 
     String getName() const override { return "DistinctSorted"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
index 514d860a022..d274a456c22 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.cpp
@@ -13,13 +13,6 @@ ExpressionBlockInputStream::ExpressionBlockInputStream(const BlockInputStreamPtr
 
 String ExpressionBlockInputStream::getName() const { return "Expression"; }
 
-String ExpressionBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "Expression(" << children.back()->getID() << ", " << expression->getID() << ")";
-    return res.str();
-}
-
 const Block & ExpressionBlockInputStream::getTotals()
 {
     if (IProfilingBlockInputStream * child = dynamic_cast<IProfilingBlockInputStream *>(&*children.back()))
diff --git a/dbms/src/DataStreams/ExpressionBlockInputStream.h b/dbms/src/DataStreams/ExpressionBlockInputStream.h
index 84a9e9e59e1..a509d1e606e 100644
--- a/dbms/src/DataStreams/ExpressionBlockInputStream.h
+++ b/dbms/src/DataStreams/ExpressionBlockInputStream.h
@@ -22,7 +22,6 @@ public:
     ExpressionBlockInputStream(const BlockInputStreamPtr & input, const ExpressionActionsPtr & expression_);
 
     String getName() const override;
-    String getID() const override;
     const Block & getTotals() override;
     Block getHeader() const override;
 
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.cpp b/dbms/src/DataStreams/FilterBlockInputStream.cpp
index 077d3857058..5bfff19b7a7 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterBlockInputStream.cpp
@@ -57,14 +57,6 @@ FilterBlockInputStream::FilterBlockInputStream(const BlockInputStreamPtr & input
 String FilterBlockInputStream::getName() const { return "Filter"; }
 
 
-String FilterBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "Filter(" << children.back()->getID() << ", " << expression->getID() << ", " << filter_column << ")";
-    return res.str();
-}
-
-
 const Block & FilterBlockInputStream::getTotals()
 {
     if (IProfilingBlockInputStream * child = dynamic_cast<IProfilingBlockInputStream *>(&*children.back()))
diff --git a/dbms/src/DataStreams/FilterBlockInputStream.h b/dbms/src/DataStreams/FilterBlockInputStream.h
index b2ae29d25a2..9cb27d6b1f0 100644
--- a/dbms/src/DataStreams/FilterBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterBlockInputStream.h
@@ -25,7 +25,6 @@ public:
     FilterBlockInputStream(const BlockInputStreamPtr & input, const ExpressionActionsPtr & expression_, const String & filter_column_name_);
 
     String getName() const override;
-    String getID() const override;
     const Block & getTotals() override;
     Block getHeader() const override;
 
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
index ea39758f098..fa7bb916fe7 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.cpp
@@ -3,18 +3,6 @@
 namespace DB
 {
 
-String FilterColumnsBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "FilterColumnsBlockInputStream(" << children.back()->getID();
-
-    for (const auto & it : columns_to_save)
-        res << ", " << it;
-
-    res << ")";
-    return res.str();
-}
-
 Block FilterColumnsBlockInputStream::getHeader() const
 {
     Block block = children.back()->getHeader();
diff --git a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
index 68a949e31d4..b2ac83c8fdf 100644
--- a/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/FilterColumnsBlockInputStream.h
@@ -24,8 +24,6 @@ public:
         return "FilterColumnsBlockInputStream";
     }
 
-    String getID() const override;
-
     Block getHeader() const override;
 
 protected:
diff --git a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
index c5e85bcf8ae..99d9466408d 100644
--- a/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/GraphiteRollupSortedBlockInputStream.h
@@ -135,23 +135,6 @@ public:
 
     String getName() const override { return "GraphiteRollupSorted"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "GraphiteRollupSorted(inputs";
-
-        for (size_t i = 0; i < children.size(); ++i)
-            res << ", " << children[i]->getID();
-
-        res << ", description";
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ")";
-        return res.str();
-    }
-
     ~GraphiteRollupSortedBlockInputStream()
     {
         if (aggregate_state_created)
diff --git a/dbms/src/DataStreams/IBlockInputStream.cpp b/dbms/src/DataStreams/IBlockInputStream.cpp
index 27d76576d49..b4cc5444c87 100644
--- a/dbms/src/DataStreams/IBlockInputStream.cpp
+++ b/dbms/src/DataStreams/IBlockInputStream.cpp
@@ -126,13 +126,5 @@ void IBlockInputStream::getLeavesImpl(BlockInputStreams & res, const BlockInputS
             (*it)->getLeavesImpl(res, *it);
 }
 
-/// By default all instances is different streams
-String IBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << getName() << "(" << this << ")";
-    return res.str();
-};
-
 }
 
diff --git a/dbms/src/DataStreams/IBlockInputStream.h b/dbms/src/DataStreams/IBlockInputStream.h
index 42300c82d9c..77ee6b94157 100644
--- a/dbms/src/DataStreams/IBlockInputStream.h
+++ b/dbms/src/DataStreams/IBlockInputStream.h
@@ -82,14 +82,6 @@ public:
       */
     virtual String getName() const = 0;
 
-    /** The unique identifier of the pipeline part of the query execution.
-      * Sources with the same identifier are considered identical
-      *  (producing the same data), and can be replaced by one source
-      *  if several queries are executed simultaneously.
-      * If the source can not be glued together with any other - return the object's address as an identifier.
-      */
-    virtual String getID() const;
-
     /// If this stream generates data in grouped by some keys, return true.
     virtual bool isGroupedOutput() const { return false; }
     /// If this stream generates data in order by some keys, return true.
diff --git a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
index ccd1f3b7ec7..dbcf3799e3e 100644
--- a/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
+++ b/dbms/src/DataStreams/InputStreamFromASTInsertQuery.h
@@ -26,7 +26,6 @@ public:
     void readSuffixImpl() override { return res_stream->readSuffix(); }
 
     String getName() const override { return "InputStreamFromASTInsertQuery"; }
-    String getID() const override { return "InputStreamFromASTInsertQuery(" + toString(std::intptr_t(this)) + ")"; }
 
     Block getHeader() const override { return res_stream->getHeader(); }
 
diff --git a/dbms/src/DataStreams/LimitBlockInputStream.h b/dbms/src/DataStreams/LimitBlockInputStream.h
index 2715db4c483..9739665243f 100644
--- a/dbms/src/DataStreams/LimitBlockInputStream.h
+++ b/dbms/src/DataStreams/LimitBlockInputStream.h
@@ -21,13 +21,6 @@ public:
 
     String getName() const override { return "Limit"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Limit(" << children.back()->getID() << ", " << limit << ", " << offset << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
index 264fa1c099f..e0f287d44fa 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.cpp
@@ -15,13 +15,6 @@ String MaterializingBlockInputStream::getName() const
     return "Materializing";
 }
 
-String MaterializingBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "Materializing(" << children.back()->getID() << ")";
-    return res.str();
-}
-
 Block MaterializingBlockInputStream::getHeader() const
 {
     return materializeBlock(children.back()->getHeader());
diff --git a/dbms/src/DataStreams/MaterializingBlockInputStream.h b/dbms/src/DataStreams/MaterializingBlockInputStream.h
index 01e5ae15a1b..dfbad3b14b2 100644
--- a/dbms/src/DataStreams/MaterializingBlockInputStream.h
+++ b/dbms/src/DataStreams/MaterializingBlockInputStream.h
@@ -12,7 +12,6 @@ class MaterializingBlockInputStream : public IProfilingBlockInputStream
 public:
     MaterializingBlockInputStream(const BlockInputStreamPtr & input);
     String getName() const override;
-    String getID() const override;
     Block getHeader() const override;
 
 protected:
diff --git a/dbms/src/DataStreams/MergeSortingBlockInputStream.h b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
index 8a51987808a..613169899d8 100644
--- a/dbms/src/DataStreams/MergeSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/MergeSortingBlockInputStream.h
@@ -33,7 +33,6 @@ public:
         size_t max_merged_block_size_, size_t limit_ = 0);
 
     String getName() const override { return "MergeSortingBlocks"; }
-    String getID() const override { return getName(); }
 
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
@@ -82,18 +81,6 @@ public:
 
     String getName() const override { return "MergeSorting"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "MergeSorting(" << children.back()->getID();
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ")";
-        return res.str();
-    }
-
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
diff --git a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
index 1b40f1951cd..b299aff0d1f 100644
--- a/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedBlockInputStream.h
@@ -22,13 +22,6 @@ public:
 
     String getName() const override { return "MergingAggregated"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "MergingAggregated(" << children.back()->getID() << ", " << aggregator.getID() << ")";
-        return res.str();
-    }
-
     Block getHeader() const override;
 
 protected:
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
index 25e1b3f648c..56e816cb05a 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.cpp
@@ -96,17 +96,6 @@ Block MergingAggregatedMemoryEfficientBlockInputStream::getHeader() const
 }
 
 
-String MergingAggregatedMemoryEfficientBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "MergingAggregatedMemoryEfficient(" << aggregator.getID();
-    for (size_t i = 0, size = children.size(); i < size; ++i)
-        res << ", " << children.back()->getID();
-    res << ")";
-    return res.str();
-}
-
-
 void MergingAggregatedMemoryEfficientBlockInputStream::readPrefix()
 {
     start();
diff --git a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
index 506eb503616..f7b978e9c66 100644
--- a/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingAggregatedMemoryEfficientBlockInputStream.h
@@ -67,8 +67,6 @@ public:
 
     String getName() const override { return "MergingAggregatedMemoryEfficient"; }
 
-    String getID() const override;
-
     /// Sends the request (initiates calculations) earlier than `read`.
     void readPrefix() override;
 
diff --git a/dbms/src/DataStreams/MergingSortedBlockInputStream.cpp b/dbms/src/DataStreams/MergingSortedBlockInputStream.cpp
index 8ccabeb092b..aee5b34899f 100644
--- a/dbms/src/DataStreams/MergingSortedBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergingSortedBlockInputStream.cpp
@@ -24,28 +24,6 @@ MergingSortedBlockInputStream::MergingSortedBlockInputStream(
     children.insert(children.end(), inputs_.begin(), inputs_.end());
 }
 
-String MergingSortedBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "MergingSorted(";
-
-    Strings children_ids(children.size());
-    for (size_t i = 0; i < children.size(); ++i)
-        children_ids[i] = children[i]->getID();
-
-    /// The order does not matter.
-    std::sort(children_ids.begin(), children_ids.end());
-
-    for (size_t i = 0; i < children_ids.size(); ++i)
-        res << (i == 0 ? "" : ", ") << children_ids[i];
-
-    for (size_t i = 0; i < description.size(); ++i)
-        res << ", " << description[i].getID();
-
-    res << ")";
-    return res.str();
-}
-
 void MergingSortedBlockInputStream::init(Block & header, MutableColumns & merged_columns)
 {
     /// Read the first blocks, initialize the queue.
diff --git a/dbms/src/DataStreams/MergingSortedBlockInputStream.h b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
index 8b0c1d3ac07..a8e0c4bf488 100644
--- a/dbms/src/DataStreams/MergingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/MergingSortedBlockInputStream.h
@@ -70,8 +70,6 @@ public:
 
     String getName() const override { return "MergingSorted"; }
 
-    String getID() const override;
-
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
diff --git a/dbms/src/DataStreams/NativeBlockInputStream.h b/dbms/src/DataStreams/NativeBlockInputStream.h
index 90f6d2b3b39..14ce18347e3 100644
--- a/dbms/src/DataStreams/NativeBlockInputStream.h
+++ b/dbms/src/DataStreams/NativeBlockInputStream.h
@@ -74,13 +74,6 @@ public:
 
     String getName() const override { return "Native"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
     static void readData(const IDataType & type, IColumn & column, ReadBuffer & istr, size_t rows, double avg_value_size_hint);
 
     Block getHeader() const override;
diff --git a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
index 4a3712b6603..d03996be53f 100644
--- a/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
+++ b/dbms/src/DataStreams/NullAndDoCopyBlockInputStream.h
@@ -28,13 +28,6 @@ public:
 
     String getName() const override { return "NullAndDoCopy"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "copy from " << input->getID();
-        return res.str();
-    }
-
     Block getHeader() const override { return {}; }
 
 protected:
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp b/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
index 1411ed794f5..60fe4013595 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp
@@ -23,13 +23,6 @@ NullableAdapterBlockInputStream::NullableAdapterBlockInputStream(
     children.push_back(input);
 }
 
-String NullableAdapterBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "NullableAdapterBlockInputStream(" << children.back()->getID() << ")";
-    return res.str();
-}
-
 Block NullableAdapterBlockInputStream::readImpl()
 {
     Block block = children.back()->read();
diff --git a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
index 3b77135c3fd..47e064ecdf2 100644
--- a/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
+++ b/dbms/src/DataStreams/NullableAdapterBlockInputStream.h
@@ -22,8 +22,6 @@ public:
 
     String getName() const override { return "NullableAdapterBlockInputStream"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return header; }
 
 protected:
diff --git a/dbms/src/DataStreams/OwningBlockInputStream.h b/dbms/src/DataStreams/OwningBlockInputStream.h
index 84f00d1c328..5bed4a9f9c3 100644
--- a/dbms/src/DataStreams/OwningBlockInputStream.h
+++ b/dbms/src/DataStreams/OwningBlockInputStream.h
@@ -27,8 +27,6 @@ private:
 
     String getName() const override { return "Owning"; }
 
-    String getID() const override {  return "Owning(" + stream->getID() + ")"; }
-
 protected:
     BlockInputStreamPtr stream;
     std::unique_ptr<OwnType> own;
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
index fdb192d2e02..61da474839e 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
@@ -35,26 +35,6 @@ Block ParallelAggregatingBlockInputStream::getHeader() const
 }
 
 
-String ParallelAggregatingBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "ParallelAggregating(";
-
-    Strings children_ids(children.size());
-    for (size_t i = 0; i < children.size(); ++i)
-        children_ids[i] = children[i]->getID();
-
-    /// Order does not matter.
-    std::sort(children_ids.begin(), children_ids.end());
-
-    for (size_t i = 0; i < children_ids.size(); ++i)
-        res << (i == 0 ? "" : ", ") << children_ids[i];
-
-    res << ", " << aggregator.getID() << ")";
-    return res.str();
-}
-
-
 void ParallelAggregatingBlockInputStream::cancel()
 {
     bool old_val = false;
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
index 4f89ea9bf98..8a3cdc8ea6e 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
@@ -27,8 +27,6 @@ public:
 
     String getName() const override { return "ParallelAggregating"; }
 
-    String getID() const override;
-
     void cancel() override;
 
     Block getHeader() const override;
diff --git a/dbms/src/DataStreams/PartialSortingBlockInputStream.h b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
index 7c546f49199..5b5001ce313 100644
--- a/dbms/src/DataStreams/PartialSortingBlockInputStream.h
+++ b/dbms/src/DataStreams/PartialSortingBlockInputStream.h
@@ -23,18 +23,6 @@ public:
 
     String getName() const override { return "PartialSorting"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "PartialSorting(" << children.back()->getID();
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ")";
-        return res.str();
-    }
-
     bool isGroupedOutput() const override { return true; }
     bool isSortedOutput() const override { return true; }
     const SortDescription & getSortDescription() const override { return description; }
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.h b/dbms/src/DataStreams/RemoteBlockInputStream.h
index 803aadca2ee..8c3cff4f494 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.h
@@ -66,13 +66,6 @@ public:
 
     String getName() const override { return "Remote"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
     BlockExtraInfo getBlockExtraInfo() const override
     {
         return multiplexed_connections->getBlockExtraInfo();
diff --git a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
index 2be12f9e06d..a8b54962209 100644
--- a/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
+++ b/dbms/src/DataStreams/RemoveColumnsBlockInputStream.h
@@ -22,18 +22,6 @@ public:
 
     String getName() const override { return "RemoveColumns"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "RemoveColumns(" << children.back()->getID();
-
-        for (const auto & it : columns_to_remove)
-            res << ", " << it;
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override
     {
         Block res = children.back()->getHeader();
diff --git a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
index 0e7fdadc25a..0ab6b185833 100644
--- a/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/ReplacingSortedBlockInputStream.h
@@ -24,23 +24,6 @@ public:
 
     String getName() const override { return "ReplacingSorted"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "ReplacingSorted(inputs";
-
-        for (size_t i = 0; i < children.size(); ++i)
-            res << ", " << children[i]->getID();
-
-        res << ", description";
-
-        for (size_t i = 0; i < description.size(); ++i)
-            res << ", " << description[i].getID();
-
-        res << ", version_column, " << version_column << ")";
-        return res.str();
-    }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/SquashingBlockInputStream.h b/dbms/src/DataStreams/SquashingBlockInputStream.h
index 8a49abc2208..0f9a01d65e8 100644
--- a/dbms/src/DataStreams/SquashingBlockInputStream.h
+++ b/dbms/src/DataStreams/SquashingBlockInputStream.h
@@ -16,13 +16,6 @@ public:
 
     String getName() const override { return "Squashing"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Squashing(" << children.at(0)->getID() << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return children.at(0)->getHeader(); }
 
 protected:
diff --git a/dbms/src/DataStreams/SummingSortedBlockInputStream.cpp b/dbms/src/DataStreams/SummingSortedBlockInputStream.cpp
index 42dffd5babf..1102258d348 100644
--- a/dbms/src/DataStreams/SummingSortedBlockInputStream.cpp
+++ b/dbms/src/DataStreams/SummingSortedBlockInputStream.cpp
@@ -23,24 +23,6 @@ namespace ErrorCodes
 }
 
 
-String SummingSortedBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "SummingSorted(inputs";
-
-    for (size_t i = 0; i < children.size(); ++i)
-        res << ", " << children[i]->getID();
-
-    res << ", description";
-
-    for (size_t i = 0; i < description.size(); ++i)
-        res << ", " << description[i].getID();
-
-    res << ")";
-    return res.str();
-}
-
-
 void SummingSortedBlockInputStream::insertCurrentRowIfNeeded(MutableColumns & merged_columns, bool force_insertion)
 {
     for (auto & desc : columns_to_aggregate)
diff --git a/dbms/src/DataStreams/SummingSortedBlockInputStream.h b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
index 6a81db02ea4..62df3863fc6 100644
--- a/dbms/src/DataStreams/SummingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/SummingSortedBlockInputStream.h
@@ -35,8 +35,6 @@ public:
 
     String getName() const override { return "SummingSorted"; }
 
-    String getID() const override;
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
index a9f0a20d8f9..b204afc2944 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.cpp
@@ -30,15 +30,6 @@ TotalsHavingBlockInputStream::TotalsHavingBlockInputStream(
 }
 
 
-String TotalsHavingBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "TotalsHavingBlockInputStream(" << children.back()->getID()
-        << "," << filter_column_name << ")";
-    return res.str();
-}
-
-
 static void finalize(Block & block)
 {
     for (size_t i = 0; i < block.columns(); ++i)
diff --git a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
index 5bf0dabe1e8..375854c5761 100644
--- a/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
+++ b/dbms/src/DataStreams/TotalsHavingBlockInputStream.h
@@ -27,8 +27,6 @@ public:
 
     String getName() const override { return "TotalsHaving"; }
 
-    String getID() const override;
-
     const Block & getTotals() override;
 
     Block getHeader() const override;
diff --git a/dbms/src/DataStreams/UnionBlockInputStream.h b/dbms/src/DataStreams/UnionBlockInputStream.h
index edd65690657..176cb472a61 100644
--- a/dbms/src/DataStreams/UnionBlockInputStream.h
+++ b/dbms/src/DataStreams/UnionBlockInputStream.h
@@ -86,26 +86,6 @@ public:
 
     String getName() const override { return "Union"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Union(";
-
-        Strings children_ids(children.size());
-        for (size_t i = 0; i < children.size(); ++i)
-            children_ids[i] = children[i]->getID();
-
-        /// Order does not matter.
-        std::sort(children_ids.begin(), children_ids.end());
-
-        for (size_t i = 0; i < children_ids.size(); ++i)
-            res << (i == 0 ? "" : ", ") << children_ids[i];
-
-        res << ")";
-        return res.str();
-    }
-
-
     ~UnionBlockInputStream() override
     {
         try
diff --git a/dbms/src/DataStreams/VersionedCollapsingSortedBlockInputStream.h b/dbms/src/DataStreams/VersionedCollapsingSortedBlockInputStream.h
index ec75e218533..1c299e78e81 100644
--- a/dbms/src/DataStreams/VersionedCollapsingSortedBlockInputStream.h
+++ b/dbms/src/DataStreams/VersionedCollapsingSortedBlockInputStream.h
@@ -185,24 +185,6 @@ public:
 
     String getName() const override { return "VersionedCollapsingSorted"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "VersionedCollapsingSortedBlockInputStream(inputs";
-
-        for (const auto & child : children)
-            res << ", " << child->getID();
-
-        res << ", description";
-
-        for (const auto & descr : description)
-            res << ", " << descr.getID();
-
-        res << ", sign_column, " << sign_column;
-        res << ", version_column, " << sign_column << ")";
-        return res.str();
-    }
-
 protected:
     /// Can return 1 more records than max_block_size.
     Block readImpl() override;
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
index 1520666284a..813504b084d 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.cpp
@@ -8,13 +8,6 @@ DictionaryBlockInputStreamBase::DictionaryBlockInputStreamBase(size_t rows_count
 {
 }
 
-String DictionaryBlockInputStreamBase::getID() const
-{
-    std::stringstream ss;
-    ss << static_cast<const void*>(this);
-    return ss.str();
-}
-
 Block DictionaryBlockInputStreamBase::readImpl()
 {
     if (next_row == rows_count)
diff --git a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
index b08c13654ad..ea027026d3f 100644
--- a/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
+++ b/dbms/src/Dictionaries/DictionaryBlockInputStreamBase.h
@@ -11,8 +11,6 @@ protected:
 
     DictionaryBlockInputStreamBase(size_t rows_count, size_t max_block_size);
 
-    String getID() const override;
-
     virtual Block getBlock(size_t start, size_t length) const = 0;
 
     Block getHeader() const override;
diff --git a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
index b6f4ac4be30..35ac7b4cbf9 100644
--- a/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
+++ b/dbms/src/Dictionaries/ExecutableDictionarySource.cpp
@@ -120,7 +120,6 @@ private:
     }
 
     String getName() const override { return "WithBackgroundThread"; }
-    String getID() const override { return "WithBackgroundThread(" + stream->getID() + ")"; }
 
     BlockInputStreamPtr stream;
     std::unique_ptr<ShellCommand> command;
diff --git a/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp b/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
index 9f13b8c345b..b5f1d1f6f69 100644
--- a/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
+++ b/dbms/src/Dictionaries/MongoDBBlockInputStream.cpp
@@ -38,14 +38,6 @@ MongoDBBlockInputStream::MongoDBBlockInputStream(
 MongoDBBlockInputStream::~MongoDBBlockInputStream() = default;
 
 
-String MongoDBBlockInputStream::getID() const
-{
-    std::ostringstream stream;
-    stream << cursor.get();
-    return "MongoDB(@" + stream.str() + ")";
-}
-
-
 namespace
 {
     using ValueType = ExternalResultDescription::ValueType;
diff --git a/dbms/src/Dictionaries/MongoDBBlockInputStream.h b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
index e7c6beb4256..046e3429b71 100644
--- a/dbms/src/Dictionaries/MongoDBBlockInputStream.h
+++ b/dbms/src/Dictionaries/MongoDBBlockInputStream.h
@@ -32,8 +32,6 @@ public:
 
     String getName() const override { return "MongoDB"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return description.sample_block; };
 
 private:
diff --git a/dbms/src/Dictionaries/MySQLBlockInputStream.cpp b/dbms/src/Dictionaries/MySQLBlockInputStream.cpp
index f0c304343d2..6e2275cd105 100644
--- a/dbms/src/Dictionaries/MySQLBlockInputStream.cpp
+++ b/dbms/src/Dictionaries/MySQLBlockInputStream.cpp
@@ -33,12 +33,6 @@ MySQLBlockInputStream::MySQLBlockInputStream(
 }
 
 
-String MySQLBlockInputStream::getID() const
-{
-    return "MySQL(" + query.str() + ")";
-}
-
-
 namespace
 {
     using ValueType = ExternalResultDescription::ValueType;
diff --git a/dbms/src/Dictionaries/MySQLBlockInputStream.h b/dbms/src/Dictionaries/MySQLBlockInputStream.h
index 564df311e2b..6e72f4eb3cf 100644
--- a/dbms/src/Dictionaries/MySQLBlockInputStream.h
+++ b/dbms/src/Dictionaries/MySQLBlockInputStream.h
@@ -21,8 +21,6 @@ public:
 
     String getName() const override { return "MySQL"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return description.sample_block; };
 
 private:
diff --git a/dbms/src/Dictionaries/ODBCBlockInputStream.cpp b/dbms/src/Dictionaries/ODBCBlockInputStream.cpp
index 3f564d942b4..8b186f6791e 100644
--- a/dbms/src/Dictionaries/ODBCBlockInputStream.cpp
+++ b/dbms/src/Dictionaries/ODBCBlockInputStream.cpp
@@ -38,12 +38,6 @@ ODBCBlockInputStream::ODBCBlockInputStream(
 }
 
 
-String ODBCBlockInputStream::getID() const
-{
-    return "ODBC(" + statement.toString() + ")";
-}
-
-
 namespace
 {
     using ValueType = ExternalResultDescription::ValueType;
diff --git a/dbms/src/Dictionaries/ODBCBlockInputStream.h b/dbms/src/Dictionaries/ODBCBlockInputStream.h
index cdbd75f53a6..b881beb9b1f 100644
--- a/dbms/src/Dictionaries/ODBCBlockInputStream.h
+++ b/dbms/src/Dictionaries/ODBCBlockInputStream.h
@@ -27,8 +27,6 @@ public:
 
     String getName() const override { return "ODBC"; }
 
-    String getID() const override;
-
     Block getHeader() const override { return description.sample_block; };
 
 private:
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 72707486f4b..128554c69e3 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -1588,13 +1588,6 @@ public:
 
     String getName() const override { return "MergingAndConverting"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << this;
-        return res.str();
-    }
-
     Block getHeader() const override { return aggregator.getHeader(final); }
 
     ~MergingAndConvertingBlockInputStream()
@@ -2406,21 +2399,6 @@ void Aggregator::destroyAllAggregateStates(AggregatedDataVariants & result)
 }
 
 
-String Aggregator::getID() const
-{
-    std::stringstream res;
-
-    res << "keys";
-    for (size_t i = 0; i < params.keys.size(); ++i)
-        res << ", " << params.keys[i];
-
-    res << ", aggregates";
-    for (size_t i = 0; i < params.aggregates_size; ++i)
-        res << ", " << params.aggregates[i].column_name;
-
-    return res.str();
-}
-
 void Aggregator::setCancellationHook(const CancellationHook cancellation_hook)
 {
     isCancelled = cancellation_hook;
diff --git a/dbms/src/Interpreters/Aggregator.h b/dbms/src/Interpreters/Aggregator.h
index 8d99b0210b6..77f71da9986 100644
--- a/dbms/src/Interpreters/Aggregator.h
+++ b/dbms/src/Interpreters/Aggregator.h
@@ -1090,9 +1090,6 @@ public:
       */
     void setCancellationHook(const CancellationHook cancellation_hook);
 
-    /// For IBlockInputStream.
-    String getID() const;
-
     /// For external aggregation.
     void writeToTemporaryFile(AggregatedDataVariants & data_variants);
 
diff --git a/dbms/src/Interpreters/DDLWorker.cpp b/dbms/src/Interpreters/DDLWorker.cpp
index 1ea573374bc..c6bcb23989b 100644
--- a/dbms/src/Interpreters/DDLWorker.cpp
+++ b/dbms/src/Interpreters/DDLWorker.cpp
@@ -964,11 +964,6 @@ public:
         return "DDLQueryStatusInputSream";
     }
 
-    String getID() const override
-    {
-        return "DDLQueryStatusInputSream(" + node_path + ")";
-    }
-
     Block getHeader() const override { return sample; };
 
     Block readImpl() override
diff --git a/dbms/src/Interpreters/ExpressionActions.cpp b/dbms/src/Interpreters/ExpressionActions.cpp
index 934521bceb9..1f8a5bb8f0d 100644
--- a/dbms/src/Interpreters/ExpressionActions.cpp
+++ b/dbms/src/Interpreters/ExpressionActions.cpp
@@ -910,45 +910,6 @@ void ExpressionActions::finalize(const Names & output_columns)
 }
 
 
-std::string ExpressionActions::getID() const
-{
-    std::stringstream ss;
-
-    for (size_t i = 0; i < actions.size(); ++i)
-    {
-        if (i)
-            ss << ", ";
-        if (actions[i].type == ExpressionAction::APPLY_FUNCTION)
-            ss << actions[i].result_name;
-        if (actions[i].type == ExpressionAction::ARRAY_JOIN)
-        {
-            ss << (actions[i].array_join_is_left ? "LEFT ARRAY JOIN" : "ARRAY JOIN") << "{";
-            for (NameSet::const_iterator it = actions[i].array_joined_columns.begin();
-                 it != actions[i].array_joined_columns.end(); ++it)
-            {
-                if (it != actions[i].array_joined_columns.begin())
-                    ss << ", ";
-                ss << *it;
-            }
-            ss << "}";
-        }
-
-        /// TODO JOIN
-    }
-
-    ss << ": {";
-    NamesAndTypesList output_columns = sample_block.getNamesAndTypesList();
-    for (NamesAndTypesList::const_iterator it = output_columns.begin(); it != output_columns.end(); ++it)
-    {
-        if (it != output_columns.begin())
-            ss << ", ";
-        ss << it->name;
-    }
-    ss << "}";
-
-    return ss.str();
-}
-
 std::string ExpressionActions::dumpActions() const
 {
     std::stringstream ss;
diff --git a/dbms/src/Interpreters/ExpressionActions.h b/dbms/src/Interpreters/ExpressionActions.h
index 5e8cc4ac170..59434c741ac 100644
--- a/dbms/src/Interpreters/ExpressionActions.h
+++ b/dbms/src/Interpreters/ExpressionActions.h
@@ -194,8 +194,6 @@ public:
     /// Obtain a sample block that contains the names and types of result columns.
     const Block & getSampleBlock() const { return sample_block; }
 
-    std::string getID() const;
-
     std::string dumpActions() const;
 
     static std::string getSmallestColumn(const NamesAndTypesList & columns);
diff --git a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
index 7774bfd512a..64805455368 100644
--- a/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterKillQueryQuery.cpp
@@ -118,11 +118,6 @@ public:
         return "SynchronousQueryKiller";
     }
 
-    String getID() const override
-    {
-        return "SynchronousQueryKiller_" + toString(intptr_t(this));
-    }
-
     Block getHeader() const override { return res_sample_block; };
 
     Block readImpl() override
diff --git a/dbms/src/Interpreters/Join.cpp b/dbms/src/Interpreters/Join.cpp
index 2d5244f6383..c469fc733a8 100644
--- a/dbms/src/Interpreters/Join.cpp
+++ b/dbms/src/Interpreters/Join.cpp
@@ -1038,13 +1038,6 @@ public:
 
     String getName() const override { return "NonJoined"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "NonJoined(" << &parent << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return result_sample_block; };
 
 
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
index fbe02249260..fcfb00084cf 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.cpp
@@ -69,26 +69,6 @@ Block MergeTreeBlockInputStream::getHeader() const
 }
 
 
-String MergeTreeBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "MergeTree(" << path << ", columns";
-
-    for (const NameAndTypePair & column : columns)
-        res << ", " << column.name;
-
-    if (prewhere_actions)
-        res << ", prewhere, " << prewhere_actions->getID();
-
-    res << ", marks";
-
-    for (size_t i = 0; i < all_mark_ranges.size(); ++i)
-        res << ", " << all_mark_ranges[i].begin << ", " << all_mark_ranges[i].end;
-
-    res << ")";
-    return res.str();
-}
-
 bool MergeTreeBlockInputStream::getNewTask()
 try
 {
diff --git a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
index 2d81388d6d3..9739cfd49fc 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeBlockInputStream.h
@@ -38,8 +38,6 @@ public:
 
     String getName() const override { return "MergeTree"; }
 
-    String getID() const override;
-
     Block getHeader() const override;
 
     /// Closes readers and unlock part locks
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
index 7d87558f0c0..ec961f28a99 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.cpp
@@ -44,15 +44,6 @@ Block MergeTreeThreadBlockInputStream::getHeader() const
 };
 
 
-String MergeTreeThreadBlockInputStream::getID() const
-{
-    std::stringstream res;
-    /// @todo print some meaningful information
-    res << static_cast<const void *>(this);
-    return res.str();
-}
-
-
 /// Requests read task from MergeTreeReadPool and signals whether it got one
 bool MergeTreeThreadBlockInputStream::getNewTask()
 {
diff --git a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
index 213b3985266..1a9c9a11bef 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
+++ b/dbms/src/Storages/MergeTree/MergeTreeThreadBlockInputStream.h
@@ -30,8 +30,6 @@ public:
 
     String getName() const override { return "MergeTreeThread"; }
 
-    String getID() const override;
-
     ~MergeTreeThreadBlockInputStream() override;
 
     Block getHeader() const override;
diff --git a/dbms/src/Storages/StorageBuffer.cpp b/dbms/src/Storages/StorageBuffer.cpp
index 3a2fad35505..ec4f7b498da 100644
--- a/dbms/src/Storages/StorageBuffer.cpp
+++ b/dbms/src/Storages/StorageBuffer.cpp
@@ -76,18 +76,6 @@ public:
 
     String getName() const override { return "Buffer"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Buffer(" << &buffer;
-
-        for (const auto & name : column_names)
-            res << ", " << name;
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return storage.getSampleBlockForColumns(column_names); };
 
 protected:
diff --git a/dbms/src/Storages/StorageCatBoostPool.cpp b/dbms/src/Storages/StorageCatBoostPool.cpp
index d336baa2ad9..d484158b018 100644
--- a/dbms/src/Storages/StorageCatBoostPool.cpp
+++ b/dbms/src/Storages/StorageCatBoostPool.cpp
@@ -39,11 +39,6 @@ public:
         return "CatBoostDatasetBlockInputStream";
     }
 
-    String getID() const override
-    {
-        return "CatBoostDataset(" + format_name + ", " + file_name + ")";
-    }
-
     Block readImpl() override
     {
         return reader->read();
diff --git a/dbms/src/Storages/StorageFile.cpp b/dbms/src/Storages/StorageFile.cpp
index 188c975cf0c..1bbe9d6d00c 100644
--- a/dbms/src/Storages/StorageFile.cpp
+++ b/dbms/src/Storages/StorageFile.cpp
@@ -144,18 +144,6 @@ public:
         return storage.getName();
     }
 
-    String getID() const override
-    {
-        std::stringstream res_stream;
-        res_stream << "File(" << storage.format_name << ", ";
-        if (!storage.path.empty())
-            res_stream << storage.path;
-        else
-            res_stream << storage.table_fd;
-        res_stream << ")";
-        return res_stream.str();
-    }
-
     Block readImpl() override
     {
         return reader->read();
diff --git a/dbms/src/Storages/StorageKafka.cpp b/dbms/src/Storages/StorageKafka.cpp
index be6b9141c69..c7ac83d1142 100644
--- a/dbms/src/Storages/StorageKafka.cpp
+++ b/dbms/src/Storages/StorageKafka.cpp
@@ -161,13 +161,6 @@ public:
         return storage.getName();
     }
 
-    String getID() const override
-    {
-        std::stringstream res_stream;
-        res_stream << "Kafka(" << storage.topics.size() << ", " << storage.format_name << ")";
-        return res_stream.str();
-    }
-
     Block readImpl() override
     {
         if (isCancelled())
diff --git a/dbms/src/Storages/StorageLog.cpp b/dbms/src/Storages/StorageLog.cpp
index e0c32b7d259..443510fea42 100644
--- a/dbms/src/Storages/StorageLog.cpp
+++ b/dbms/src/Storages/StorageLog.cpp
@@ -62,18 +62,6 @@ public:
 
     String getName() const override { return "Log"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Log(" << storage.getTableName() << ", " << &storage << ", " << mark_number << ", " << rows_limit;
-
-        for (const auto & name_type : columns)
-            res << ", " << name_type.name;
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override
     {
         Block res;
diff --git a/dbms/src/Storages/StorageMemory.cpp b/dbms/src/Storages/StorageMemory.cpp
index 8f0685cf3f9..89ce474b065 100644
--- a/dbms/src/Storages/StorageMemory.cpp
+++ b/dbms/src/Storages/StorageMemory.cpp
@@ -25,18 +25,6 @@ public:
 
     String getName() const override { return "Memory"; }
 
-    String getID() const override
-    {
-        std::stringstream res;
-        res << "Memory(" << &*begin << ", " << &*end;
-
-        for (const auto & name : column_names)
-            res << ", " << name;
-
-        res << ")";
-        return res.str();
-    }
-
     Block getHeader() const override { return storage.getSampleBlockForColumns(column_names); }
 
 protected:
diff --git a/dbms/src/Storages/StorageStripeLog.cpp b/dbms/src/Storages/StorageStripeLog.cpp
index eddcb3f69d9..1d2d31e27bb 100644
--- a/dbms/src/Storages/StorageStripeLog.cpp
+++ b/dbms/src/Storages/StorageStripeLog.cpp
@@ -59,13 +59,6 @@ public:
 
     String getName() const override { return "StripeLog"; }
 
-    String getID() const override
-    {
-        std::stringstream s;
-        s << this;
-        return s.str();
-    }
-
     Block getHeader() const override
     {
         if (index_begin == index_end)
diff --git a/dbms/src/Storages/StorageTinyLog.cpp b/dbms/src/Storages/StorageTinyLog.cpp
index 7d6cd9dcca9..957d1ca9aff 100644
--- a/dbms/src/Storages/StorageTinyLog.cpp
+++ b/dbms/src/Storages/StorageTinyLog.cpp
@@ -60,8 +60,6 @@ public:
 
     String getName() const override { return "TinyLog"; }
 
-    String getID() const override;
-
     Block getHeader() const override
     {
         Block res;
@@ -154,19 +152,6 @@ private:
 };
 
 
-String TinyLogBlockInputStream::getID() const
-{
-    std::stringstream res;
-    res << "TinyLog(" << storage.getTableName() << ", " << &storage;
-
-    for (const auto & name_type : columns)
-        res << ", " << name_type.name;
-
-    res << ")";
-    return res.str();
-}
-
-
 Block TinyLogBlockInputStream::readImpl()
 {
     Block res;
diff --git a/dbms/src/Storages/System/StorageSystemNumbers.cpp b/dbms/src/Storages/System/StorageSystemNumbers.cpp
index 9ffa5e014c8..30586bbbba3 100644
--- a/dbms/src/Storages/System/StorageSystemNumbers.cpp
+++ b/dbms/src/Storages/System/StorageSystemNumbers.cpp
@@ -16,7 +16,6 @@ public:
         : block_size(block_size_), next(offset_), step(step_) {}
 
     String getName() const override { return "Numbers"; }
-    String getID() const override { return "Numbers"; }
 
     Block getHeader() const override
     {

From a4c10f7499baaf0f50261dff79f1d4a6e2e3f7ca Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sun, 18 Feb 2018 07:17:11 +0300
Subject: [PATCH 34/34] Header in every stream: development [#CLICKHOUSE-2]

---
 .../ParallelAggregatingBlockInputStream.cpp   |  3 +-
 .../ParallelAggregatingBlockInputStream.h     |  2 --
 dbms/src/Interpreters/Aggregator.cpp          | 29 +++++++------------
 dbms/src/Interpreters/Aggregator.h            |  7 +++--
 4 files changed, 16 insertions(+), 25 deletions(-)

diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
index 61da474839e..c29481671dd 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.cpp
@@ -108,8 +108,7 @@ void ParallelAggregatingBlockInputStream::Handler::onBlock(Block & block, size_t
 {
     parent.aggregator.executeOnBlock(block, *parent.many_data[thread_num],
         parent.threads_data[thread_num].key_columns, parent.threads_data[thread_num].aggregate_columns,
-        parent.threads_data[thread_num].key_sizes, parent.threads_data[thread_num].key,
-        parent.no_more_keys);
+        parent.threads_data[thread_num].key, parent.no_more_keys);
 
     parent.threads_data[thread_num].src_rows += block.rows();
     parent.threads_data[thread_num].src_bytes += block.bytes();
diff --git a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
index 8a3cdc8ea6e..a0dbb8a948b 100644
--- a/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
+++ b/dbms/src/DataStreams/ParallelAggregatingBlockInputStream.h
@@ -83,14 +83,12 @@ private:
         StringRefs key;
         ColumnRawPtrs key_columns;
         Aggregator::AggregateColumns aggregate_columns;
-        Sizes key_sizes;
 
         ThreadData(size_t keys_size, size_t aggregates_size)
         {
             key.resize(keys_size);
             key_columns.resize(keys_size);
             aggregate_columns.resize(aggregates_size);
-            key_sizes.resize(keys_size);
         }
     };
 
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 128554c69e3..b2816c75202 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -158,6 +158,8 @@ Aggregator::Aggregator(const Params & params_)
         if (!params.aggregates[i].function->hasTrivialDestructor())
             all_aggregates_has_trivial_destructor = false;
     }
+
+    method = chooseAggregationMethod();
 }
 
 
@@ -351,7 +353,7 @@ void Aggregator::compileIfPossible(AggregatedDataVariants::Type type)
 }
 
 
-AggregatedDataVariants::Type Aggregator::chooseAggregationMethod(Sizes & key_sizes) const
+AggregatedDataVariants::Type Aggregator::chooseAggregationMethod()
 {
     /// If no keys. All aggregating to single row.
     if (params.keys_size == 0)
@@ -647,8 +649,7 @@ void NO_INLINE Aggregator::executeWithoutKeyImpl(
 
 
 bool Aggregator::executeOnBlock(Block & block, AggregatedDataVariants & result,
-    ColumnRawPtrs & key_columns, AggregateColumns & aggregate_columns,
-    Sizes & key_sizes, StringRefs & key,
+    ColumnRawPtrs & key_columns, AggregateColumns & aggregate_columns, StringRefs & key,
     bool & no_more_keys)
 {
     if (isCancelled())
@@ -707,7 +708,7 @@ bool Aggregator::executeOnBlock(Block & block, AggregatedDataVariants & result,
     /// How to perform the aggregation?
     if (result.empty())
     {
-        result.init(chooseAggregationMethod(key_sizes));
+        result.init(method);
         result.keys_size = params.keys_size;
         result.key_sizes = key_sizes;
         LOG_TRACE(log, "Aggregation method: " << result.getMethodName());
@@ -994,7 +995,6 @@ void Aggregator::execute(const BlockInputStreamPtr & stream, AggregatedDataVaria
     StringRefs key(params.keys_size);
     ColumnRawPtrs key_columns(params.keys_size);
     AggregateColumns aggregate_columns(params.aggregates_size);
-    Sizes key_sizes;
 
     /** Used if there is a limit on the maximum number of rows in the aggregation,
       *  and if group_by_overflow_mode == ANY.
@@ -1019,9 +1019,7 @@ void Aggregator::execute(const BlockInputStreamPtr & stream, AggregatedDataVaria
         src_rows += block.rows();
         src_bytes += block.bytes();
 
-        if (!executeOnBlock(block, result,
-            key_columns, aggregate_columns, key_sizes, key,
-            no_more_keys))
+        if (!executeOnBlock(block, result, key_columns, aggregate_columns, key, no_more_keys))
             break;
     }
 
@@ -1984,9 +1982,6 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
     if (bucket_to_blocks.empty())
         return;
 
-    Sizes key_sizes;
-    AggregatedDataVariants::Type method = chooseAggregationMethod(key_sizes);
-
     /** `minus one` means the absence of information about the bucket
       * - in the case of single-level aggregation, as well as for blocks with "overflowing" values.
       * If there is at least one block with a bucket number greater than zero, then there was a two-level aggregation.
@@ -2027,7 +2022,7 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
 
         LOG_TRACE(log, "Merging partially aggregated two-level data.");
 
-        auto merge_bucket = [&bucket_to_blocks, &result, &key_sizes, this](Int32 bucket, Arena * aggregates_pool, MemoryTracker * memory_tracker)
+        auto merge_bucket = [&bucket_to_blocks, &result, this](Int32 bucket, Arena * aggregates_pool, MemoryTracker * memory_tracker)
         {
             current_memory_tracker = memory_tracker;
 
@@ -2038,7 +2033,7 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
 
             #define M(NAME) \
                 else if (result.type == AggregatedDataVariants::Type::NAME) \
-                    mergeStreamsImpl(block, key_sizes, aggregates_pool, *result.NAME, result.NAME->data.impls[bucket], nullptr, false);
+                    mergeStreamsImpl(block, result.key_sizes, aggregates_pool, *result.NAME, result.NAME->data.impls[bucket], nullptr, false);
 
                 if (false) {}
                     APPLY_FOR_VARIANTS_TWO_LEVEL(M)
@@ -2106,7 +2101,7 @@ void Aggregator::mergeStream(const BlockInputStreamPtr & stream, AggregatedDataV
 
         #define M(NAME, IS_TWO_LEVEL) \
             else if (result.type == AggregatedDataVariants::Type::NAME) \
-                mergeStreamsImpl(block, key_sizes, result.aggregates_pool, *result.NAME, result.NAME->data, result.without_key, no_more_keys);
+                mergeStreamsImpl(block, result.key_sizes, result.aggregates_pool, *result.NAME, result.NAME->data, result.without_key, no_more_keys);
 
             APPLY_FOR_AGGREGATED_VARIANTS(M)
         #undef M
@@ -2130,9 +2125,6 @@ Block Aggregator::mergeBlocks(BlocksList & blocks, bool final)
     LOG_TRACE(log, "Merging partially aggregated blocks (bucket = " << bucket_num << ").");
     Stopwatch watch;
 
-    Sizes key_sizes;
-    AggregatedDataVariants::Type method = chooseAggregationMethod(key_sizes);
-
     /** If possible, change 'method' to some_hash64. Otherwise, leave as is.
       * Better hash function is needed because during external aggregation,
       *  we may merge partitions of data with total number of keys far greater than 4 billion.
@@ -2287,13 +2279,12 @@ std::vector<Block> Aggregator::convertBlockToTwoLevel(const Block & block)
 
     StringRefs key(params.keys_size);
     ColumnRawPtrs key_columns(params.keys_size);
-    Sizes key_sizes;
 
     /// Remember the columns we will work with
     for (size_t i = 0; i < params.keys_size; ++i)
         key_columns[i] = block.safeGetByPosition(i).column.get();
 
-    AggregatedDataVariants::Type type = chooseAggregationMethod(key_sizes);
+    AggregatedDataVariants::Type type = method;
     data.keys_size = params.keys_size;
     data.key_sizes = key_sizes;
 
diff --git a/dbms/src/Interpreters/Aggregator.h b/dbms/src/Interpreters/Aggregator.h
index 77f71da9986..08027fe6ae6 100644
--- a/dbms/src/Interpreters/Aggregator.h
+++ b/dbms/src/Interpreters/Aggregator.h
@@ -1052,7 +1052,7 @@ public:
     /// Process one block. Return false if the processing should be aborted (with group_by_overflow_mode = 'break').
     bool executeOnBlock(Block & block, AggregatedDataVariants & result,
         ColumnRawPtrs & key_columns, AggregateColumns & aggregate_columns,    /// Passed to not create them anew for each block
-        Sizes & key_sizes, StringRefs & keys,                                        /// - pass the corresponding objects that are initially empty.
+        StringRefs & keys,                                        /// - pass the corresponding objects that are initially empty.
         bool & no_more_keys);
 
     /** Convert the aggregation data structure into a block.
@@ -1120,6 +1120,9 @@ protected:
 
     Params params;
 
+    AggregatedDataVariants::Type method;
+    Sizes key_sizes;
+
     AggregateFunctionsPlainPtrs aggregate_functions;
 
     /** This array serves two purposes.
@@ -1179,7 +1182,7 @@ protected:
     TemporaryFiles temporary_files;
 
     /** Select the aggregation method based on the number and types of keys. */
-    AggregatedDataVariants::Type chooseAggregationMethod(Sizes & key_sizes) const;
+    AggregatedDataVariants::Type chooseAggregationMethod();
 
     /** Create states of aggregate functions for one key.
       */