Merge pull request #63429 from Algunenano/micro_analyzer

Micro-optimizations for the new analyzer

.clang-format

@@ -89,7 +89,7 @@ PenaltyBreakFirstLessLess: 120
 PenaltyBreakString: 1000
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
-RemoveBracesLLVM: true
+RemoveBracesLLVM: false
 SpaceAfterCStyleCast: false
 SpaceBeforeAssignmentOperators: true
 SpaceBeforeParens: ControlStatements

.clang-tidy

@@ -138,6 +138,8 @@ Checks: [
 
   # This is a good check, but clang-tidy crashes, see https://github.com/llvm/llvm-project/issues/91872
   '-modernize-use-constraints',
+  # https://github.com/abseil/abseil-cpp/issues/1667
+  '-clang-analyzer-optin.core.EnumCastOutOfRange'
 ]
 
 WarningsAsErrors: '*'

src/Interpreters/ActionsDAG.cpp

@@ -21,6 +21,9 @@
 #include <base/sort.h>
 #include <Common/JSONBuilder.h>
 
+#include <absl/container/flat_hash_map.h>
+#include <absl/container/inlined_vector.h>
+
 
 namespace DB
 {
@@ -708,16 +711,18 @@ static ColumnWithTypeAndName executeActionForPartialResult(const ActionsDAG::Nod
     return res_column;
 }
 
-Block ActionsDAG::updateHeader(Block header) const
+Block ActionsDAG::updateHeader(const Block & header) const
 {
     IntermediateExecutionResult node_to_column;
     std::set<size_t> pos_to_remove;
 
     {
-        std::unordered_map<std::string_view, std::list<size_t>> input_positions;
+        using inline_vector = absl::InlinedVector<size_t, 7>; // 64B, holding max 7 size_t elements inlined
+        absl::flat_hash_map<std::string_view, inline_vector> input_positions;
 
-        for (size_t pos = 0; pos < inputs.size(); ++pos)
-            input_positions[inputs[pos]->result_name].emplace_back(pos);
+        /// We insert from last to first in the inlinedVector so it's easier to pop_back matches later
+        for (size_t pos = inputs.size(); pos != 0; pos--)
+            input_positions[inputs[pos - 1]->result_name].emplace_back(pos - 1);
 
         for (size_t pos = 0; pos < header.columns(); ++pos)
         {
@@ -725,10 +730,11 @@ Block ActionsDAG::updateHeader(Block header) const
             auto it = input_positions.find(col.name);
             if (it != input_positions.end() && !it->second.empty())
             {
-                auto & list = it->second;
                 pos_to_remove.insert(pos);
-                node_to_column[inputs[list.front()]] = col;
-                list.pop_front();
+
+                auto & v = it->second;
+                node_to_column[inputs[v.back()]] = col;
+                v.pop_back();
             }
         }
     }
@@ -746,18 +752,21 @@ Block ActionsDAG::updateHeader(Block header) const
         throw;
     }
 
-    if (isInputProjected())
-        header.clear();
-    else
-        header.erase(pos_to_remove);
 
     Block res;
-
+    res.reserve(result_columns.size());
     for (auto & col : result_columns)
         res.insert(std::move(col));
 
-    for (auto && item : header)
-        res.insert(std::move(item));
+    if (isInputProjected())
+        return res;
+
+    res.reserve(header.columns() - pos_to_remove.size());
+    for (size_t i = 0; i < header.columns(); i++)
+    {
+        if (!pos_to_remove.contains(i))
+            res.insert(header.data[i]);
+    }
 
     return res;
 }

src/Interpreters/ActionsDAG.h

@@ -272,7 +272,7 @@ public:
     ///
     /// In addition, check that result constants are constants according to DAG.
     /// In case if function return constant, but arguments are not constant, materialize it.
-    Block updateHeader(Block header) const;
+    Block updateHeader(const Block & header) const;
 
     using IntermediateExecutionResult = std::unordered_map<const Node *, ColumnWithTypeAndName>;
     static ColumnsWithTypeAndName evaluatePartialResult(

src/Interpreters/HashJoin.cpp

@@ -2487,10 +2487,15 @@ HashJoin::~HashJoin()
 {
     if (!data)
     {
-        LOG_TRACE(log, "{}Join data has been already released", instance_log_id);
+        LOG_TEST(log, "{}Join data has been already released", instance_log_id);
         return;
     }
-    LOG_TRACE(log, "{}Join data is being destroyed, {} bytes and {} rows in hash table", instance_log_id, getTotalByteCount(), getTotalRowCount());
+    LOG_TEST(
+        log,
+        "{}Join data is being destroyed, {} bytes and {} rows in hash table",
+        instance_log_id,
+        getTotalByteCount(),
+        getTotalRowCount());
 }
 
 template <typename Mapped>

src/Planner/Planner.cpp

@@ -1229,8 +1229,9 @@ void Planner::buildQueryPlanIfNeeded()
     if (query_plan.isInitialized())
         return;
 
-    LOG_TRACE(getLogger("Planner"), "Query {} to stage {}{}",
-        query_tree->formatConvertedASTForErrorMessage(),
+    LOG_TRACE(
+        getLogger("Planner"),
+        "Query to stage {}{}",
         QueryProcessingStage::toString(select_query_options.to_stage),
         select_query_options.only_analyze ? " only analyze" : "");
 
@@ -1506,8 +1507,9 @@ void Planner::buildPlanForQueryNode()
     auto & mapping = join_tree_query_plan.query_node_to_plan_step_mapping;
     query_node_to_plan_step_mapping.insert(mapping.begin(), mapping.end());
 
-    LOG_TRACE(getLogger("Planner"), "Query {} from stage {} to stage {}{}",
-        query_tree->formatConvertedASTForErrorMessage(),
+    LOG_TRACE(
+        getLogger("Planner"),
+        "Query from stage {} to stage {}{}",
         QueryProcessingStage::toString(from_stage),
         QueryProcessingStage::toString(select_query_options.to_stage),
         select_query_options.only_analyze ? " only analyze" : "");

src/Processors/QueryPlan/SourceStepWithFilter.cpp

@@ -21,7 +21,7 @@ Block SourceStepWithFilter::applyPrewhereActions(Block block, const PrewhereInfo
     {
         if (prewhere_info->row_level_filter)
         {
-            block = prewhere_info->row_level_filter->updateHeader(std::move(block));
+            block = prewhere_info->row_level_filter->updateHeader(block);
             auto & row_level_column = block.getByName(prewhere_info->row_level_column_name);
             if (!row_level_column.type->canBeUsedInBooleanContext())
             {
@@ -36,7 +36,7 @@ Block SourceStepWithFilter::applyPrewhereActions(Block block, const PrewhereInfo
 
         if (prewhere_info->prewhere_actions)
         {
-            block = prewhere_info->prewhere_actions->updateHeader(std::move(block));
+            block = prewhere_info->prewhere_actions->updateHeader(block);
 
             auto & prewhere_column = block.getByName(prewhere_info->prewhere_column_name);
             if (!prewhere_column.type->canBeUsedInBooleanContext())

src/Processors/Transforms/ExpressionTransform.cpp

@@ -3,9 +3,9 @@
 namespace DB
 {
 
-Block ExpressionTransform::transformHeader(Block header, const ActionsDAG & expression)
+Block ExpressionTransform::transformHeader(const Block & header, const ActionsDAG & expression)
 {
-    return expression.updateHeader(std::move(header));
+    return expression.updateHeader(header);
 }
 
 

src/Processors/Transforms/ExpressionTransform.h

@@ -24,7 +24,7 @@ public:
 
     String getName() const override { return "ExpressionTransform"; }
 
-    static Block transformHeader(Block header, const ActionsDAG & expression);
+    static Block transformHeader(const Block & header, const ActionsDAG & expression);
 
 protected:
     void transform(Chunk & chunk) override;

src/Processors/Transforms/FilterTransform.cpp

@@ -174,26 +174,22 @@ static std::unique_ptr<IFilterDescription> combineFilterAndIndices(
 }
 
 Block FilterTransform::transformHeader(
-    Block header,
-    const ActionsDAG * expression,
-    const String & filter_column_name,
-    bool remove_filter_column)
+    const Block & header, const ActionsDAG * expression, const String & filter_column_name, bool remove_filter_column)
 {
-    if (expression)
-        header = expression->updateHeader(std::move(header));
+    Block result = expression ? expression->updateHeader(header) : header;
 
-    auto filter_type = header.getByName(filter_column_name).type;
+    auto filter_type = result.getByName(filter_column_name).type;
     if (!filter_type->onlyNull() && !isUInt8(removeNullable(removeLowCardinality(filter_type))))
         throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_COLUMN_FOR_FILTER,
             "Illegal type {} of column {} for filter. Must be UInt8 or Nullable(UInt8).",
             filter_type->getName(), filter_column_name);
 
     if (remove_filter_column)
-        header.erase(filter_column_name);
+        result.erase(filter_column_name);
     else
-        replaceFilterToConstant(header, filter_column_name);
+        replaceFilterToConstant(result, filter_column_name);
 
-    return header;
+    return result;
 }
 
 FilterTransform::FilterTransform(

src/Processors/Transforms/FilterTransform.h

@@ -22,11 +22,8 @@ public:
         const Block & header_, ExpressionActionsPtr expression_, String filter_column_name_,
         bool remove_filter_column_, bool on_totals_ = false, std::shared_ptr<std::atomic<size_t>> rows_filtered_ = nullptr);
 
-    static Block transformHeader(
-            Block header,
-            const ActionsDAG * expression,
-            const String & filter_column_name,
-            bool remove_filter_column);
+    static Block
+    transformHeader(const Block & header, const ActionsDAG * expression, const String & filter_column_name, bool remove_filter_column);
 
     String getName() const override { return "FilterTransform"; }
 

src/Processors/Transforms/JoiningTransform.cpp

@@ -14,12 +14,12 @@ namespace ErrorCodes
 
 Block JoiningTransform::transformHeader(Block header, const JoinPtr & join)
 {
-    LOG_DEBUG(getLogger("JoiningTransform"), "Before join block: '{}'", header.dumpStructure());
+    LOG_TEST(getLogger("JoiningTransform"), "Before join block: '{}'", header.dumpStructure());
     join->checkTypesOfKeys(header);
     join->initialize(header);
     ExtraBlockPtr tmp;
     join->joinBlock(header, tmp);
-    LOG_DEBUG(getLogger("JoiningTransform"), "After join block: '{}'", header.dumpStructure());
+    LOG_TEST(getLogger("JoiningTransform"), "After join block: '{}'", header.dumpStructure());
     return header;
 }
 

src/Processors/Transforms/TotalsHavingTransform.cpp

@@ -49,7 +49,7 @@ Block TotalsHavingTransform::transformHeader(
 
     if (expression)
     {
-        block = expression->updateHeader(std::move(block));
+        block = expression->updateHeader(block);
         if (remove_filter)
             block.erase(filter_column_name);
     }

tests/queries/0_stateless/00002_log_and_exception_messages_formatting.sql

@@ -207,7 +207,7 @@ select
 with 0.16 as threshold
 select
     'noisy Trace messages',
-    greatest(coalesce(((select message_format_string, count() from logs where level = 'Trace' and message_format_string not in ('Access granted: {}{}', '{} -> {}', 'Query {} to stage {}{}', 'Query {} from stage {} to stage {}{}')
+    greatest(coalesce(((select message_format_string, count() from logs where level = 'Trace' and message_format_string not in ('Access granted: {}{}', '{} -> {}', 'Query to stage {}{}', 'Query from stage {} to stage {}{}')
                         group by message_format_string order by count() desc limit 1) as top_message).2, 0) / (select count() from logs), threshold) as r,
     r <= threshold ? '' : top_message.1;