Merge branch 'master' into rs/fix-fragile-linking

CMakeLists.txt

@@ -433,6 +433,11 @@ else()
     link_libraries(global-group)
 endif ()
 
+option (ENABLE_GWP_ASAN "Enable Gwp-Asan" ON)
+if (NOT OS_LINUX AND NOT OS_ANDROID)
+    set(ENABLE_GWP_ASAN OFF)
+endif ()
+
 option(WERROR "Enable -Werror compiler option" ON)
 
 if (WERROR)

base/base/defines.h

@@ -127,10 +127,14 @@
 /// because SIGABRT is easier to debug than SIGTRAP (the second one makes gdb crazy)
 #if !defined(chassert)
     #if defined(ABORT_ON_LOGICAL_ERROR)
-        #define chassert(x) static_cast<bool>(x) ? void(0) : abortOnFailedAssertion(#x)
+        #define chassert(x) static_cast<bool>(x) ? void(0) : ::DB::abortOnFailedAssertion(#x)
         #define UNREACHABLE() abort()
     #else
-        #define chassert(x) ((void)0)
+        /// Here sizeof() trick is used to suppress unused warning for result,
+        /// since simple "(void)x" will evaluate the expression, while
+        /// "sizeof(!(x))" will not.
+        #define NIL_EXPRESSION(x) (void)sizeof(!(x))
+        #define chassert(x) NIL_EXPRESSION(x)
         #define UNREACHABLE() __builtin_unreachable()
     #endif
 #endif

contrib/CMakeLists.txt

@@ -114,6 +114,7 @@ endif()
 
 add_contrib (llvm-project-cmake llvm-project)
 add_contrib (libfuzzer-cmake llvm-project)
+add_contrib (gwpasan-cmake llvm-project)
 add_contrib (libxml2-cmake libxml2)
 
 add_contrib (aws-cmake

contrib/capnproto

@@ -1 +1 @@
-Subproject commit 2e88221d3dde22266bfccf40eaee6ff9b40d113d
+Subproject commit e19cd661e49dd9022d3f920b69d843333b896451

contrib/gwpasan-cmake/CMakeLists.txt

@@ -0,0 +1,24 @@
+if (NOT ENABLE_GWP_ASAN)
+  message (STATUS "Not using gwp-asan")
+  return ()
+endif ()
+
+set(COMPILER_RT_GWP_ASAN_SRC_DIR "${ClickHouse_SOURCE_DIR}/contrib/llvm-project/compiler-rt/lib/gwp_asan")
+
+set(GWP_ASAN_SOURCES
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/common.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/crash_handler.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/platform_specific/common_posix.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/platform_specific/guarded_pool_allocator_posix.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/platform_specific/mutex_posix.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/platform_specific/utilities_posix.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/guarded_pool_allocator.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/stack_trace_compressor.cpp
+  ${COMPILER_RT_GWP_ASAN_SRC_DIR}/optional/options_parser.cpp
+)
+
+set(GWP_ASAN_HEADERS "${ClickHouse_SOURCE_DIR}/contrib/llvm-project/compiler-rt/lib")
+
+add_library(_gwp_asan ${GWP_ASAN_SOURCES})
+target_include_directories (_gwp_asan SYSTEM PUBLIC ${GWP_ASAN_HEADERS})
+add_library(ch_contrib::gwp_asan ALIAS _gwp_asan)

contrib/libhdfs3-cmake/CMakeLists.txt

@@ -105,6 +105,9 @@ set(SRCS
 
 if (ARCH_AMD64)
     find_program(YASM_PATH NAMES yasm)
+    if (NOT YASM_PATH)
+        message(FATAL_ERROR "Please install the Yasm assembler")
+    endif ()
     add_custom_command(
         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/crc_iscsi_v_pcl.o
         COMMAND ${YASM_PATH} -f x64 -f elf64 -X gnu -g dwarf2 -D LINUX -o ${CMAKE_CURRENT_BINARY_DIR}/crc_iscsi_v_pcl.o ${HDFS3_SOURCE_DIR}/common/crc_iscsi_v_pcl.asm

docker/test/stress/run.sh

@@ -402,7 +402,7 @@ start
 
 # NOTE Hung check is implemented in docker/tests/stress/stress
 rg -Fa "No queries hung" /test_output/test_results.tsv | grep -Fa "OK" \
-  || echo -e "Hung check failed, possible deadlock found (see hung_check.log)$FAIL$(head_escaped /test_output/hung_check.log | unts)"
+  || echo -e "Hung check failed, possible deadlock found (see hung_check.log)$FAIL$(head_escaped /test_output/hung_check.log | unts)" >> /test_output/test_results.tsv
 
 stop
 mv /var/log/clickhouse-server/clickhouse-server.log /var/log/clickhouse-server/clickhouse-server.stress.log

docs/en/development/build.md

@@ -17,10 +17,10 @@ Supported platforms:
 
 The following tutorial is based on the Ubuntu Linux system. With appropriate changes, it should also work on any other Linux distribution.
 
-### Install Git, CMake, Python and Ninja {#install-git-cmake-python-and-ninja}
+### Install Prerequisites {#install-prerequisites}
 
 ``` bash
-sudo apt-get install git cmake ccache python3 ninja-build
+sudo apt-get install git cmake ccache python3 ninja-build yasm gawk
 ```
 
 Or cmake3 instead of cmake on older systems.
@@ -87,13 +87,15 @@ The build requires the following components:
 -   Ninja
 -   C++ compiler: clang-14 or newer
 -   Linker: lld
+-   Yasm
+-   Gawk
 
 If all the components are installed, you may build in the same way as the steps above.
 
 Example for Ubuntu Eoan:
 ``` bash
 sudo apt update
-sudo apt install git cmake ninja-build clang++ python
+sudo apt install git cmake ninja-build clang++ python yasm gawk
 git clone --recursive https://github.com/ClickHouse/ClickHouse.git
 mkdir build && cd build
 cmake ../ClickHouse
@@ -102,7 +104,7 @@ ninja
 
 Example for OpenSUSE Tumbleweed:
 ``` bash
-sudo zypper install git cmake ninja clang-c++ python lld
+sudo zypper install git cmake ninja clang-c++ python lld yasm gawk
 git clone --recursive https://github.com/ClickHouse/ClickHouse.git
 mkdir build && cd build
 cmake ../ClickHouse
@@ -112,7 +114,7 @@ ninja
 Example for Fedora Rawhide:
 ``` bash
 sudo yum update
-sudo yum --nogpg install git cmake make clang python3 ccache
+sudo yum --nogpg install git cmake make clang python3 ccache yasm gawk
 git clone --recursive https://github.com/ClickHouse/ClickHouse.git
 mkdir build && cd build
 cmake ../ClickHouse

docs/en/operations/settings/settings.md

@@ -3310,6 +3310,15 @@ SELECT
 FROM fuse_tbl
 ```
 
+## optimize_rewrite_aggregate_function_with_if
+
+Rewrite aggregate functions with if expression as argument when logically equivalent.
+For example, `avg(if(cond, col, null))` can be rewritten to `avgOrNullIf(cond, col)`. It may improve performance.
+
+:::note
+Supported only with experimental analyzer (`allow_experimental_analyzer = 1`).
+:::
+
 ## allow_experimental_database_replicated {#allow_experimental_database_replicated}
 
 Enables to create databases with [Replicated](../../engines/database-engines/replicated.md) engine.

docs/en/sql-reference/functions/ip-address-functions.md

@@ -493,3 +493,41 @@ Result:
 │                                                                  0 │
 └────────────────────────────────────────────────────────────────────┘
 ```
+
+## reverseDNSQuery
+
+Performs a reverse DNS query to get the PTR records associated with the IP address.
+
+**Syntax**
+
+``` sql
+reverseDNSQuery(address)
+```
+
+This function performs reverse DNS resolutions on both IPv4 and IPv6.
+
+**Arguments**
+
+-   `address` — An IPv4 or IPv6 address. [String](../../sql-reference/data-types/string.md).
+
+**Returned value**
+
+-   Associated domains (PTR records).
+
+Type: Type: [Array(String)](../../sql-reference/data-types/array.md).
+
+**Example**
+
+Query:
+
+``` sql
+SELECT reverseDNSQuery('192.168.0.2');
+```
+
+Result:
+
+``` text
+┌─reverseDNSQuery('192.168.0.2')────────────┐
+│ ['test2.example.com','test3.example.com'] │
+└───────────────────────────────────────────┘
+```

docs/en/sql-reference/functions/string-functions.md

@@ -124,7 +124,7 @@ leftPad('string', 'length'[, 'pad_string'])
 **Arguments**
 
 -   `string` — Input string that needs to be padded. [String](../data-types/string.md).
--   `length` — The length of the resulting string. [UInt](../data-types/int-uint.md). If the value is less than the input string length, then the input string is returned as-is.
+-   `length` — The length of the resulting string. [UInt or Int](../data-types/int-uint.md). If the value is less than the input string length, then the input string is shortened to `length` characters.
 -   `pad_string` — The string to pad the input string with. [String](../data-types/string.md). Optional. If not specified, then the input string is padded with spaces.
 
 **Returned value**
@@ -162,7 +162,7 @@ leftPadUTF8('string','length'[, 'pad_string'])
 **Arguments**
 
 -   `string` — Input string that needs to be padded. [String](../data-types/string.md).
--   `length` — The length of the resulting string. [UInt](../data-types/int-uint.md). If the value is less than the input string length, then the input string is returned as-is.
+-   `length` — The length of the resulting string. [UInt or Int](../data-types/int-uint.md). If the value is less than the input string length, then the input string is shortened to `length` characters.
 -   `pad_string` — The string to pad the input string with. [String](../data-types/string.md). Optional. If not specified, then the input string is padded with spaces.
 
 **Returned value**
@@ -200,7 +200,7 @@ rightPad('string', 'length'[, 'pad_string'])
 **Arguments**
 
 -   `string` — Input string that needs to be padded. [String](../data-types/string.md).
--   `length` — The length of the resulting string. [UInt](../data-types/int-uint.md). If the value is less than the input string length, then the input string is returned as-is.
+-   `length` — The length of the resulting string. [UInt or Int](../data-types/int-uint.md). If the value is less than the input string length, then the input string is shortened to `length` characters.
 -   `pad_string` — The string to pad the input string with. [String](../data-types/string.md). Optional. If not specified, then the input string is padded with spaces.
 
 **Returned value**
@@ -238,7 +238,7 @@ rightPadUTF8('string','length'[, 'pad_string'])
 **Arguments**
 
 -   `string` — Input string that needs to be padded. [String](../data-types/string.md).
--   `length` — The length of the resulting string. [UInt](../data-types/int-uint.md). If the value is less than the input string length, then the input string is returned as-is.
+-   `length` — The length of the resulting string. [UInt or Int](../data-types/int-uint.md). If the value is less than the input string length, then the input string is shortened to `length` characters.
 -   `pad_string` — The string to pad the input string with. [String](../data-types/string.md). Optional. If not specified, then the input string is padded with spaces.
 
 **Returned value**

programs/copier/Internals.cpp

@@ -214,7 +214,7 @@ Names extractPrimaryKeyColumnNames(const ASTPtr & storage_ast)
     {
         /// Column name could be represented as a f_1(f_2(...f_n(column_name))).
         /// Each f_i could take one or more parameters.
-        /// We will wrap identifiers with backticks to allow non-standart identifier names.
+        /// We will wrap identifiers with backticks to allow non-standard identifier names.
         String sorting_key_column = sorting_key_expr_list->children[i]->getColumnName();
 
         if (i < primary_key_size)

programs/main.cpp

@@ -433,7 +433,6 @@ extern "C"
 }
 #endif
 
-
 /// This allows to implement assert to forbid initialization of a class in static constructors.
 /// Usage:
 ///

src/AggregateFunctions/AggregateFunctionAnalysisOfVariance.h

@@ -14,17 +14,11 @@
 #include <Common/assert_cast.h>
 #include <Core/Types.h>
 
+
 namespace DB
 {
 
-namespace ErrorCodes
-{
-    extern const int BAD_ARGUMENTS;
-}
-
-class AggregateFunctionAnalysisOfVarianceData final : public AnalysisOfVarianceMoments<Float64>
-{
-};
+using AggregateFunctionAnalysisOfVarianceData = AnalysisOfVarianceMoments<Float64>;
 
 
 /// One way analysis of variance
@@ -77,18 +71,23 @@ public:
     void insertResultInto(AggregateDataPtr __restrict place, IColumn & to, Arena *) const override
     {
         auto f_stat = data(place).getFStatistic();
-        if (std::isinf(f_stat) || isNaN(f_stat) || f_stat < 0)
-            throw Exception(ErrorCodes::BAD_ARGUMENTS, "F statistic is not defined or infinite for these arguments");
+
+        auto & column_tuple = assert_cast<ColumnTuple &>(to);
+        auto & column_stat = assert_cast<ColumnVector<Float64> &>(column_tuple.getColumn(0));
+        auto & column_value = assert_cast<ColumnVector<Float64> &>(column_tuple.getColumn(1));
+
+        if (unlikely(!std::isfinite(f_stat) || f_stat < 0))
+        {
+            column_stat.getData().push_back(std::numeric_limits<Float64>::quiet_NaN());
+            column_value.getData().push_back(std::numeric_limits<Float64>::quiet_NaN());
+            return;
+        }
 
         auto p_value = data(place).getPValue(f_stat);
 
         /// Because p-value is a probability.
         p_value = std::min(1.0, std::max(0.0, p_value));
 
-        auto & column_tuple = assert_cast<ColumnTuple &>(to);
-        auto & column_stat = assert_cast<ColumnVector<Float64> &>(column_tuple.getColumn(0));
-        auto & column_value = assert_cast<ColumnVector<Float64> &>(column_tuple.getColumn(1));
-
         column_stat.getData().push_back(f_stat);
         column_value.getData().push_back(p_value);
     }

src/AggregateFunctions/AggregateFunctionMannWhitney.h

@@ -80,11 +80,15 @@ struct MannWhitneyData : public StatisticalSample<Float64, Float64>
             u = u2;
 
         Float64 z = (u - meanrank) / sd;
+
+        if (unlikely(!std::isfinite(z)))
+            return {std::numeric_limits<Float64>::quiet_NaN(), std::numeric_limits<Float64>::quiet_NaN()};
+
         if (alternative == Alternative::TwoSided)
             z = std::abs(z);
 
-        auto standart_normal_distribution = boost::math::normal_distribution<Float64>();
-        auto cdf = boost::math::cdf(standart_normal_distribution, z);
+        auto standard_normal_distribution = boost::math::normal_distribution<Float64>();
+        auto cdf = boost::math::cdf(standard_normal_distribution, z);
 
         Float64 p_value = 0;
         if (alternative == Alternative::TwoSided)

src/AggregateFunctions/AggregateFunctionMeanZTest.cpp

@@ -29,10 +29,9 @@ struct MeanZTestData : public ZTestMoments<Float64>
 
         /// z = \frac{\bar{X_{1}} - \bar{X_{2}}}{\sqrt{\frac{\sigma_{1}^{2}}{n_{1}} + \frac{\sigma_{2}^{2}}{n_{2}}}}
         Float64 zstat = (mean_x - mean_y) / getStandardError(pop_var_x, pop_var_y);
-        if (!std::isfinite(zstat))
-        {
+
+        if (unlikely(!std::isfinite(zstat)))
             return {std::numeric_limits<Float64>::quiet_NaN(), std::numeric_limits<Float64>::quiet_NaN()};
-        }
 
         Float64 pvalue = 2.0 * boost::math::cdf(boost::math::normal(0.0, 1.0), -1.0 * std::abs(zstat));
 

src/AggregateFunctions/AggregateFunctionStudentTTest.cpp

@@ -62,8 +62,8 @@ struct StudentTTestData : public TTestMoments<Float64>
         /// t-statistic
         Float64 t_stat = (mean_x - mean_y) / sqrt(std_err2);
 
-        if (isNaN(t_stat))
-            throw Exception(ErrorCodes::BAD_ARGUMENTS, "Resulted t-statistics is NaN");
+        if (unlikely(!std::isfinite(t_stat)))
+            return {std::numeric_limits<Float64>::quiet_NaN(), std::numeric_limits<Float64>::quiet_NaN()};
 
         auto student = boost::math::students_t_distribution<Float64>(getDegreesOfFreedom());
         Float64 pvalue = 0;

src/AggregateFunctions/AggregateFunctionWelchTTest.cpp

@@ -60,6 +60,9 @@ struct WelchTTestData : public TTestMoments<Float64>
         Float64 se = getStandardError();
         Float64 t_stat = (mean_x - mean_y) / se;
 
+        if (unlikely(!std::isfinite(t_stat)))
+            return {std::numeric_limits<Float64>::quiet_NaN(), std::numeric_limits<Float64>::quiet_NaN()};
+
         auto students_t_distribution = boost::math::students_t_distribution<Float64>(getDegreesOfFreedom());
         Float64 pvalue = 0;
         if (t_stat > 0)

src/AggregateFunctions/Moments.h

@@ -595,6 +595,9 @@ struct AnalysisOfVarianceMoments
 
     Float64 getPValue(Float64 f_statistic) const
     {
+        if (unlikely(!std::isfinite(f_statistic)))
+            return std::numeric_limits<Float64>::quiet_NaN();
+
         const auto k = xs1.size();
         const auto n = std::accumulate(ns.begin(), ns.end(), 0UL);
 

src/Analyzer/Passes/QueryAnalysisPass.cpp

@@ -5391,7 +5391,11 @@ void QueryAnalyzer::initializeTableExpressionColumns(const QueryTreeNodePtr & ta
     {
         const auto & storage_snapshot = table_node ? table_node->getStorageSnapshot() : table_function_node->getStorageSnapshot();
 
-        auto column_names_and_types = storage_snapshot->getColumns(GetColumnsOptions(GetColumnsOptions::All).withSubcolumns().withVirtuals());
+        auto get_column_options = GetColumnsOptions(GetColumnsOptions::All).withExtendedObjects().withVirtuals();
+        if (storage_snapshot->storage.supportsSubcolumns())
+            get_column_options.withSubcolumns();
+
+        auto column_names_and_types = storage_snapshot->getColumns(get_column_options);
         const auto & columns_description = storage_snapshot->metadata->getColumns();
 
         std::vector<std::pair<std::string, ColumnNodePtr>> alias_columns_to_resolve;

src/Analyzer/Passes/RewriteAggregateFunctionWithIfPass.cpp

@@ -0,0 +1,113 @@
+#include <Analyzer/Passes/RewriteAggregateFunctionWithIfPass.h>
+
+#include <DataTypes/DataTypesNumber.h>
+#include <DataTypes/DataTypeNullable.h>
+
+#include <AggregateFunctions/AggregateFunctionFactory.h>
+#include <AggregateFunctions/IAggregateFunction.h>
+
+#include <Functions/FunctionFactory.h>
+
+#include <Interpreters/Context.h>
+
+#include <Analyzer/InDepthQueryTreeVisitor.h>
+#include <Analyzer/ConstantNode.h>
+#include <Analyzer/FunctionNode.h>
+
+namespace DB
+{
+
+
+namespace
+{
+
+class RewriteAggregateFunctionWithIfVisitor : public InDepthQueryTreeVisitorWithContext<RewriteAggregateFunctionWithIfVisitor>
+{
+public:
+    using Base = InDepthQueryTreeVisitorWithContext<RewriteAggregateFunctionWithIfVisitor>;
+    using Base::Base;
+
+    void visitImpl(QueryTreeNodePtr & node)
+    {
+        if (!getSettings().optimize_rewrite_aggregate_function_with_if)
+            return;
+
+        auto * function_node = node->as<FunctionNode>();
+        if (!function_node || !function_node->isAggregateFunction())
+            return;
+
+        auto & function_arguments_nodes = function_node->getArguments().getNodes();
+        if (function_arguments_nodes.size() != 1)
+            return;
+
+        auto * if_node = function_arguments_nodes[0]->as<FunctionNode>();
+        if (!if_node || if_node->getFunctionName() != "if")
+            return;
+
+        auto lower_name = Poco::toLower(function_node->getFunctionName());
+        auto if_arguments_nodes = if_node->getArguments().getNodes();
+        auto * first_const_node = if_arguments_nodes[1]->as<ConstantNode>();
+        auto * second_const_node = if_arguments_nodes[2]->as<ConstantNode>();
+        if (second_const_node)
+        {
+            const auto & second_const_value = second_const_node->getValue();
+            if (second_const_value.isNull()
+                || (lower_name == "sum" && isInt64OrUInt64FieldType(second_const_value.getType()) && second_const_value.get<UInt64>() == 0))
+            {
+                /// avg(if(cond, a, null)) -> avgIf(a, cond)
+                /// sum(if(cond, a, 0)) -> sumIf(a, cond)
+                function_arguments_nodes.resize(2);
+                function_arguments_nodes[0] = std::move(if_arguments_nodes[1]);
+                function_arguments_nodes[1] = std::move(if_arguments_nodes[0]);
+                resolveAsAggregateFunctionWithIf(
+                    *function_node, {function_arguments_nodes[0]->getResultType(), function_arguments_nodes[1]->getResultType()});
+            }
+        }
+        else if (first_const_node)
+        {
+            const auto & first_const_value = first_const_node->getValue();
+            if (first_const_value.isNull()
+                || (lower_name == "sum" && isInt64OrUInt64FieldType(first_const_value.getType()) && first_const_value.get<UInt64>() == 0))
+            {
+                /// avg(if(cond, null, a) -> avgIf(a, !cond))
+                /// sum(if(cond, 0, a) -> sumIf(a, !cond))
+                auto not_function = std::make_shared<FunctionNode>("not");
+                auto & not_function_arguments = not_function->getArguments().getNodes();
+                not_function_arguments.push_back(std::move(if_arguments_nodes[0]));
+                not_function->resolveAsFunction(
+                    FunctionFactory::instance().get("not", getContext())->build(not_function->getArgumentColumns()));
+
+                function_arguments_nodes.resize(2);
+                function_arguments_nodes[0] = std::move(if_arguments_nodes[2]);
+                function_arguments_nodes[1] = std::move(not_function);
+                resolveAsAggregateFunctionWithIf(
+                    *function_node, {function_arguments_nodes[0]->getResultType(), function_arguments_nodes[1]->getResultType()});
+            }
+        }
+    }
+
+private:
+    static inline void resolveAsAggregateFunctionWithIf(FunctionNode & function_node, const DataTypes & argument_types)
+    {
+        auto result_type = function_node.getResultType();
+        AggregateFunctionProperties properties;
+        auto aggregate_function = AggregateFunctionFactory::instance().get(
+            function_node.getFunctionName() + (result_type->isNullable() ? "IfOrNull" : "If"),
+            argument_types,
+            function_node.getAggregateFunction()->getParameters(),
+            properties);
+
+        function_node.resolveAsAggregateFunction(std::move(aggregate_function));
+    }
+};
+
+}
+
+
+void RewriteAggregateFunctionWithIfPass::run(QueryTreeNodePtr query_tree_node, ContextPtr context)
+{
+    RewriteAggregateFunctionWithIfVisitor visitor(context);
+    visitor.visit(query_tree_node);
+}
+
+}

src/Analyzer/Passes/RewriteAggregateFunctionWithIfPass.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <Analyzer/IQueryTreePass.h>
+
+namespace DB
+{
+
+/// Rewrite '<aggregate-function>(if())' to '<aggregate-function>If[OrNull]()'
+/// sum(if(cond, a, 0)) -> sumIf[OrNull](a, cond)
+/// sum(if(cond, a, null)) -> sumIf[OrNull](a, cond)
+/// avg(if(cond, a, null)) -> avgIf[OrNull](a, cond)
+/// ...
+class RewriteAggregateFunctionWithIfPass final : public IQueryTreePass
+{
+public:
+    String getName() override { return "RewriteAggregateFunctionWithIf"; }
+
+    String getDescription() override
+    {
+        return "Rewrite aggregate functions with if expression as argument when logically equivalent";
+    }
+
+    void run(QueryTreeNodePtr query_tree_node, ContextPtr context) override;
+
+};
+
+}

src/Analyzer/QueryTreePassManager.cpp

@@ -18,6 +18,7 @@
 #include <Analyzer/Passes/QueryAnalysisPass.h>
 #include <Analyzer/Passes/CountDistinctPass.h>
 #include <Analyzer/Passes/FunctionToSubcolumnsPass.h>
+#include <Analyzer/Passes/RewriteAggregateFunctionWithIfPass.h>
 #include <Analyzer/Passes/SumIfToCountIfPass.h>
 #include <Analyzer/Passes/MultiIfToIfPass.h>
 #include <Analyzer/Passes/IfConstantConditionPass.h>
@@ -214,6 +215,7 @@ void addQueryTreePasses(QueryTreePassManager & manager)
     manager.addPass(std::make_unique<FunctionToSubcolumnsPass>());
 
     manager.addPass(std::make_unique<CountDistinctPass>());
+    manager.addPass(std::make_unique<RewriteAggregateFunctionWithIfPass>());
     manager.addPass(std::make_unique<SumIfToCountIfPass>());
     manager.addPass(std::make_unique<NormalizeCountVariantsPass>());
 

src/CMakeLists.txt

@@ -304,6 +304,11 @@ if (TARGET ch_contrib::llvm)
     dbms_target_link_libraries (PUBLIC ch_contrib::llvm)
 endif ()
 
+if (TARGET ch_contrib::gwp_asan)
+    target_link_libraries (clickhouse_common_io PRIVATE ch_contrib::gwp_asan)
+    target_link_libraries (clickhouse_new_delete PRIVATE ch_contrib::gwp_asan)
+endif()
+
 # Otherwise it will slow down stack traces printing too much.
 set_source_files_properties(
         Common/Elf.cpp

src/Client/ClientBase.cpp

@@ -1616,14 +1616,28 @@ void ClientBase::processParsedSingleQuery(const String & full_query, const Strin
         };
 
         const auto * insert = parsed_query->as<ASTInsertQuery>();
-        if (insert && insert->settings_ast)
+        if (const auto * select = parsed_query->as<ASTSelectQuery>(); select && select->settings())
+            apply_query_settings(*select->settings());
+        else if (const auto * select_with_union = parsed_query->as<ASTSelectWithUnionQuery>())
+        {
+            const ASTs & children = select_with_union->list_of_selects->children;
+            if (!children.empty())
+            {
+                // On the client it is enough to apply settings only for the
+                // last SELECT, since the only thing that is important to apply
+                // on the client is format settings.
+                const auto * last_select = children.back()->as<ASTSelectQuery>();
+                if (last_select && last_select->settings())
+                {
+                    apply_query_settings(*last_select->settings());
+                }
+            }
+        }
+        else if (const auto * query_with_output = parsed_query->as<ASTQueryWithOutput>(); query_with_output && query_with_output->settings_ast)
+            apply_query_settings(*query_with_output->settings_ast);
+        else if (insert && insert->settings_ast)
             apply_query_settings(*insert->settings_ast);
 
-        /// FIXME: try to prettify this cast using `as<>()`
-        const auto * with_output = dynamic_cast<const ASTQueryWithOutput *>(parsed_query.get());
-        if (with_output && with_output->settings_ast)
-            apply_query_settings(*with_output->settings_ast);
-
         if (!connection->checkConnected(connection_parameters.timeouts))
             connect();
 

src/Common/Allocator.h

@@ -29,6 +29,7 @@
 #include <base/getPageSize.h>
 
 #include <Common/CurrentMemoryTracker.h>
+#include <Common/CurrentMetrics.h>
 #include <Common/Exception.h>
 #include <Common/formatReadable.h>
 
@@ -62,6 +63,12 @@ extern const size_t MMAP_THRESHOLD;
 
 static constexpr size_t MALLOC_MIN_ALIGNMENT = 8;
 
+namespace CurrentMetrics
+{
+    extern const Metric MMappedAllocs;
+    extern const Metric MMappedAllocBytes;
+}
+
 namespace DB
 {
 namespace ErrorCodes
@@ -215,8 +222,10 @@ private:
                        mmap_flags, -1, 0);
             if (MAP_FAILED == buf)
                 DB::throwFromErrno(fmt::format("Allocator: Cannot mmap {}.", ReadableSize(size)), DB::ErrorCodes::CANNOT_ALLOCATE_MEMORY);
-
             /// No need for zero-fill, because mmap guarantees it.
+
+            CurrentMetrics::add(CurrentMetrics::MMappedAllocs);
+            CurrentMetrics::add(CurrentMetrics::MMappedAllocBytes, size);
         }
         else
         {
@@ -252,6 +261,9 @@ private:
         {
             if (0 != munmap(buf, size))
                 DB::throwFromErrno(fmt::format("Allocator: Cannot munmap {}.", ReadableSize(size)), DB::ErrorCodes::CANNOT_MUNMAP);
+
+            CurrentMetrics::sub(CurrentMetrics::MMappedAllocs);
+            CurrentMetrics::sub(CurrentMetrics::MMappedAllocBytes, size);
         }
         else
         {

src/Common/CaresPTRResolver.cpp

@@ -16,9 +16,9 @@ namespace DB
 
     static void callback(void * arg, int status, int, struct hostent * host)
     {
-        auto * ptr_records = static_cast<std::unordered_set<std::string>*>(arg);
-        if (ptr_records && status == ARES_SUCCESS)
+        if (status == ARES_SUCCESS)
         {
+            auto * ptr_records = static_cast<std::unordered_set<std::string>*>(arg);
             /*
              * In some cases (e.g /etc/hosts), hostent::h_name is filled and hostent::h_aliases is empty.
              * Thus, we can't rely solely on hostent::h_aliases. More info on:
@@ -81,7 +81,12 @@ namespace DB
         std::unordered_set<std::string> ptr_records;
 
         resolve(ip, ptr_records);
-        wait();
+
+        if (!wait_and_process())
+        {
+            cancel_requests();
+            throw DB::Exception(DB::ErrorCodes::DNS_ERROR, "Failed to complete reverse DNS query for IP {}", ip);
+        }
 
         return ptr_records;
     }
@@ -93,7 +98,12 @@ namespace DB
         std::unordered_set<std::string> ptr_records;
 
         resolve_v6(ip, ptr_records);
-        wait();
+
+        if (!wait_and_process())
+        {
+            cancel_requests();
+            throw DB::Exception(DB::ErrorCodes::DNS_ERROR, "Failed to complete reverse DNS query for IP {}", ip);
+        }
 
         return ptr_records;
     }
@@ -115,7 +125,7 @@ namespace DB
         ares_gethostbyaddr(channel, reinterpret_cast<const void*>(&addr), sizeof(addr), AF_INET6, callback, &response);
     }
 
-    void CaresPTRResolver::wait()
+    bool CaresPTRResolver::wait_and_process()
     {
         int sockets[ARES_GETSOCK_MAXNUM];
         pollfd pollfd[ARES_GETSOCK_MAXNUM];
@@ -129,6 +139,21 @@ namespace DB
             if (!readable_sockets.empty())
             {
                 number_of_fds_ready = poll(readable_sockets.data(), static_cast<nfds_t>(readable_sockets.size()), static_cast<int>(timeout));
+
+                bool poll_error = number_of_fds_ready < 0;
+                bool is_poll_error_an_interrupt = poll_error && errno == EINTR;
+
+                /*
+                 * Retry in case of interrupts and return false in case of actual errors.
+                 * */
+                if (is_poll_error_an_interrupt)
+                {
+                    continue;
+                }
+                else if (poll_error)
+                {
+                    return false;
+                }
             }
 
             if (number_of_fds_ready > 0)
@@ -141,6 +166,13 @@ namespace DB
                 break;
             }
         }
+
+        return true;
+    }
+
+    void CaresPTRResolver::cancel_requests()
+    {
+        ares_cancel(channel);
     }
 
     std::span<pollfd> CaresPTRResolver::get_readable_sockets(int * sockets, pollfd * pollfd)
@@ -149,7 +181,7 @@ namespace DB
 
         int number_of_sockets_to_poll = 0;
 
-        for (int i = 0; i < ARES_GETSOCK_MAXNUM; i++, number_of_sockets_to_poll++)
+        for (int i = 0; i < ARES_GETSOCK_MAXNUM; i++)
         {
             pollfd[i].events = 0;
             pollfd[i].revents = 0;
@@ -157,7 +189,12 @@ namespace DB
             if (ARES_GETSOCK_READABLE(sockets_bitmask, i))
             {
                 pollfd[i].fd = sockets[i];
-                pollfd[i].events = POLLIN;
+                pollfd[i].events = C_ARES_POLL_EVENTS;
+            }
+
+            if (pollfd[i].events)
+            {
+                number_of_sockets_to_poll++;
             }
             else
             {
@@ -192,7 +229,7 @@ namespace DB
     {
         for (auto readable_socket : readable_sockets)
         {
-            auto fd = readable_socket.revents & POLLIN ? readable_socket.fd : ARES_SOCKET_BAD;
+            auto fd = readable_socket.revents & C_ARES_POLL_EVENTS ? readable_socket.fd : ARES_SOCKET_BAD;
             ares_process_fd(channel, fd, ARES_SOCKET_BAD);
         }
     }

src/Common/CaresPTRResolver.h

@@ -23,6 +23,9 @@ namespace DB
          * Allow only DNSPTRProvider to instantiate this class
          * */
         struct provider_token {};
+
+        static constexpr auto C_ARES_POLL_EVENTS = POLLRDNORM | POLLIN;
+
     public:
         explicit CaresPTRResolver(provider_token);
         ~CaresPTRResolver() override;
@@ -32,7 +35,9 @@ namespace DB
         std::unordered_set<std::string> resolve_v6(const std::string & ip) override;
 
     private:
-        void wait();
+        bool wait_and_process();
+
+        void cancel_requests();
 
         void resolve(const std::string & ip, std::unordered_set<std::string> & response);
 

src/Common/Config/ConfigProcessor.cpp

@@ -157,6 +157,19 @@ static void deleteAttributesRecursive(Node * root)
     }
 }
 
+static void mergeAttributes(Element & config_element, Element & with_element)
+{
+    auto * with_element_attributes = with_element.attributes();
+
+    for (size_t i = 0; i < with_element_attributes->length(); ++i)
+    {
+        auto * attr = with_element_attributes->item(i);
+        config_element.setAttribute(attr->nodeName(), attr->getNodeValue());
+    }
+
+    with_element_attributes->release();
+}
+
 void ConfigProcessor::mergeRecursive(XMLDocumentPtr config, Node * config_root, const Node * with_root)
 {
     const NodeListPtr with_nodes = with_root->childNodes();
@@ -211,6 +224,9 @@ void ConfigProcessor::mergeRecursive(XMLDocumentPtr config, Node * config_root,
                 }
                 else
                 {
+                    Element & config_element = dynamic_cast<Element &>(*config_node);
+
+                    mergeAttributes(config_element, with_element);
                     mergeRecursive(config, config_node, with_node);
                 }
                 merged = true;

src/Common/CounterInFile.h

@@ -16,6 +16,7 @@
 #include <IO/WriteHelpers.h>
 
 #include <Common/Exception.h>
+#include <base/defines.h>
 #include <base/types.h>
 
 
@@ -112,11 +113,13 @@ public:
         }
         catch (...)
         {
-            close(fd);
+            int err = close(fd);
+            chassert(!err || errno == EINTR);
             throw;
         }
 
-        close(fd);
+        int err = close(fd);
+        chassert(!err || errno == EINTR);
         return res;
     }
 
@@ -180,11 +183,13 @@ public:
         }
         catch (...)
         {
-            close(fd);
+            int err = close(fd);
+            chassert(!err || errno == EINTR);
             throw;
         }
 
-        close(fd);
+        int err = close(fd);
+        chassert(!err || errno == EINTR);
     }
 
 private:

src/Common/CurrentMetrics.cpp

@@ -82,6 +82,8 @@
     M(PartsInMemory, "In-memory parts.") \
     M(MMappedFiles, "Total number of mmapped files.") \
     M(MMappedFileBytes, "Sum size of mmapped file regions.") \
+    M(MMappedAllocs, "Total number of mmapped allocations") \
+    M(MMappedAllocBytes, "Sum bytes of mmapped allocations") \
     M(AsyncDrainedConnections, "Number of connections drained asynchronously.") \
     M(ActiveAsyncDrainedConnections, "Number of active connections drained asynchronously.") \
     M(SyncDrainedConnections, "Number of connections drained synchronously.") \

src/Common/Epoll.cpp

@@ -2,6 +2,7 @@
 
 #include "Epoll.h"
 #include <Common/Exception.h>
+#include <base/defines.h>
 #include <unistd.h>
 
 namespace DB
@@ -78,7 +79,10 @@ size_t Epoll::getManyReady(int max_events, epoll_event * events_out, bool blocki
 Epoll::~Epoll()
 {
     if (epoll_fd != -1)
-        close(epoll_fd);
+    {
+        int err = close(epoll_fd);
+        chassert(!err || errno == EINTR);
+    }
 }
 
 }

src/Common/EventFD.cpp

@@ -3,6 +3,7 @@
 
 #include <Common/EventFD.h>
 #include <Common/Exception.h>
+#include <base/defines.h>
 #include <sys/eventfd.h>
 #include <unistd.h>
 
@@ -55,7 +56,10 @@ bool EventFD::write(uint64_t increase) const
 EventFD::~EventFD()
 {
     if (fd != -1)
-        close(fd);
+    {
+        int err = close(fd);
+        chassert(!err || errno == EINTR);
+    }
 }
 
 }

src/Common/ProcfsMetricsProvider.cpp

@@ -7,6 +7,7 @@
 #include <IO/ReadHelpers.h>
 
 #include <base/find_symbols.h>
+#include <base/defines.h>
 #include <Common/logger_useful.h>
 
 #include <cassert>
@@ -102,7 +103,8 @@ ProcfsMetricsProvider::ProcfsMetricsProvider(pid_t /*tid*/)
     thread_stat_fd = ::open(thread_stat, O_RDONLY | O_CLOEXEC);
     if (-1 == thread_stat_fd)
     {
-        ::close(thread_schedstat_fd);
+        int err = ::close(thread_schedstat_fd);
+        chassert(!err || errno == EINTR);
         throwWithFailedToOpenFile(thread_stat);
     }
     thread_io_fd = ::open(thread_io, O_RDONLY | O_CLOEXEC);

src/Common/QueryProfiler.cpp

@@ -6,6 +6,7 @@
 #include <Common/StackTrace.h>
 #include <Common/thread_local_rng.h>
 #include <Common/logger_useful.h>
+#include <base/defines.h>
 #include <base/phdr_cache.h>
 #include <base/errnoToString.h>
 
@@ -186,8 +187,10 @@ void QueryProfilerBase<ProfilerImpl>::tryCleanup()
 #if USE_UNWIND
     if (timer_id.has_value())
     {
-        if (timer_delete(*timer_id))
+        int err = timer_delete(*timer_id);
+        if (err)
             LOG_ERROR(log, "Failed to delete query profiler timer {}", errnoToString());
+        chassert(!err && "Failed to delete query profiler timer");
         timer_id.reset();
     }
 

src/Common/StatusFile.cpp

@@ -5,9 +5,10 @@
 #include <cerrno>
 
 #include <Common/logger_useful.h>
-#include <base/errnoToString.h>
 #include <Common/ClickHouseRevision.h>
 #include <Common/LocalDateTime.h>
+#include <base/errnoToString.h>
+#include <base/defines.h>
 
 #include <IO/ReadBufferFromFile.h>
 #include <IO/LimitReadBuffer.h>
@@ -88,7 +89,8 @@ StatusFile::StatusFile(std::string path_, FillFunction fill_)
     }
     catch (...)
     {
-        close(fd);
+        int err = close(fd);
+        chassert(!err || errno == EINTR);
         throw;
     }
 }

src/Common/TaskStatsInfoGetter.cpp

@@ -1,5 +1,6 @@
 #include "TaskStatsInfoGetter.h"
 #include <Common/Exception.h>
+#include <base/defines.h>
 #include <base/types.h>
 
 #include <unistd.h>
@@ -280,7 +281,10 @@ TaskStatsInfoGetter::TaskStatsInfoGetter()
     catch (...)
     {
         if (netlink_socket_fd >= 0)
-            close(netlink_socket_fd);
+        {
+            int err = close(netlink_socket_fd);
+            chassert(!err || errno == EINTR);
+        }
         throw;
     }
 }
@@ -314,7 +318,10 @@ void TaskStatsInfoGetter::getStat(::taskstats & out_stats, pid_t tid) const
 TaskStatsInfoGetter::~TaskStatsInfoGetter()
 {
     if (netlink_socket_fd >= 0)
-        close(netlink_socket_fd);
+    {
+        int err = close(netlink_socket_fd);
+        chassert(!err || errno == EINTR);
+    }
 }
 
 }

src/Common/TimerDescriptor.cpp

@@ -1,6 +1,7 @@
 #if defined(OS_LINUX)
 #include <Common/TimerDescriptor.h>
 #include <Common/Exception.h>
+#include <base/defines.h>
 
 #include <sys/timerfd.h>
 #include <fcntl.h>
@@ -36,7 +37,10 @@ TimerDescriptor::~TimerDescriptor()
 {
     /// Do not check for result cause cannot throw exception.
     if (timer_fd != -1)
-        close(timer_fd);
+    {
+        int err = close(timer_fd);
+        chassert(!err || errno == EINTR);
+    }
 }
 
 void TimerDescriptor::reset() const

src/Common/config.h.in

@@ -24,6 +24,7 @@
 #cmakedefine01 USE_ODBC
 #cmakedefine01 USE_REPLXX
 #cmakedefine01 USE_JEMALLOC
+#cmakedefine01 USE_GWP_ASAN
 #cmakedefine01 USE_H3
 #cmakedefine01 USE_S2_GEOMETRY
 #cmakedefine01 USE_FASTOPS

src/Common/memory.h

@@ -17,6 +17,12 @@
 #    include <cstdlib>
 #endif
 
+#if USE_GWP_ASAN
+#    include <gwp_asan/guarded_pool_allocator.h>
+
+static gwp_asan::GuardedPoolAllocator GuardedAlloc;
+#endif
+
 namespace Memory
 {
 
@@ -29,6 +35,23 @@ template <std::same_as<std::align_val_t>... TAlign>
 requires DB::OptionalArgument<TAlign...>
 inline ALWAYS_INLINE void * newImpl(std::size_t size, TAlign... align)
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.shouldSample()))
+    {
+        if constexpr (sizeof...(TAlign) == 1)
+        {
+            if (void * ptr = GuardedAlloc.allocate(size, alignToSizeT(align...)))
+                return ptr;
+        }
+        else
+        {
+            if (void * ptr = GuardedAlloc.allocate(size))
+                return ptr;
+
+        }
+    }
+#endif
+
     void * ptr = nullptr;
     if constexpr (sizeof...(TAlign) == 1)
         ptr = aligned_alloc(alignToSizeT(align...), size);
@@ -44,16 +67,37 @@ inline ALWAYS_INLINE void * newImpl(std::size_t size, TAlign... align)
 
 inline ALWAYS_INLINE void * newNoExept(std::size_t size) noexcept
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.shouldSample()))
+    {
+        if (void * ptr = GuardedAlloc.allocate(size))
+            return ptr;
+    }
+#endif
     return malloc(size);
 }
 
 inline ALWAYS_INLINE void * newNoExept(std::size_t size, std::align_val_t align) noexcept
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.shouldSample()))
+    {
+        if (void * ptr = GuardedAlloc.allocate(size, alignToSizeT(align)))
+            return ptr;
+    }
+#endif
     return aligned_alloc(static_cast<size_t>(align), size);
 }
 
 inline ALWAYS_INLINE void deleteImpl(void * ptr) noexcept
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.pointerIsMine(ptr)))
+    {
+        GuardedAlloc.deallocate(ptr);
+        return;
+    }
+#endif
     free(ptr);
 }
 
@@ -66,6 +110,14 @@ inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size, TAlign... al
     if (unlikely(ptr == nullptr))
         return;
 
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.pointerIsMine(ptr)))
+    {
+        GuardedAlloc.deallocate(ptr);
+        return;
+    }
+#endif
+
     if constexpr (sizeof...(TAlign) == 1)
         sdallocx(ptr, size, MALLOCX_ALIGN(alignToSizeT(align...)));
     else
@@ -78,6 +130,13 @@ template <std::same_as<std::align_val_t>... TAlign>
 requires DB::OptionalArgument<TAlign...>
 inline ALWAYS_INLINE void deleteSized(void * ptr, std::size_t size [[maybe_unused]], TAlign... /* align */) noexcept
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.pointerIsMine(ptr)))
+    {
+        GuardedAlloc.deallocate(ptr);
+        return;
+    }
+#endif
     free(ptr);
 }
 
@@ -122,6 +181,16 @@ template <std::same_as<std::align_val_t>... TAlign>
 requires DB::OptionalArgument<TAlign...>
 inline ALWAYS_INLINE void untrackMemory(void * ptr [[maybe_unused]], std::size_t size [[maybe_unused]] = 0, TAlign... align [[maybe_unused]]) noexcept
 {
+#if USE_GWP_ASAN
+    if (unlikely(GuardedAlloc.pointerIsMine(ptr)))
+    {
+        if (!size)
+            size = GuardedAlloc.getSize(ptr);
+        CurrentMemoryTracker::free(size);
+        return;
+    }
+#endif
+
     try
     {
 #if USE_JEMALLOC

src/Common/new_delete.cpp

@@ -1,4 +1,5 @@
 #include <cassert>
+#include <iostream>
 #include <new>
 #include "config.h"
 #include <Common/memory.h>
@@ -41,6 +42,26 @@ static struct InitializeJemallocZoneAllocatorForOSX
 } initializeJemallocZoneAllocatorForOSX;
 #endif
 
+#if USE_GWP_ASAN
+
+#include <gwp_asan/optional/options_parser.h>
+
+/// Both clickhouse_new_delete and clickhouse_common_io links gwp_asan, but It should only init once, otherwise it
+/// will cause unexpected deadlock.
+static struct InitGwpAsan
+{
+    InitGwpAsan()
+    {
+         gwp_asan::options::initOptions();
+         gwp_asan::options::Options &opts = gwp_asan::options::getOptions();
+         GuardedAlloc.init(opts);
+
+         ///std::cerr << "GwpAsan is initialized, the options are { Enabled: " << opts.Enabled
+         ///          << ", MaxSimultaneousAllocations: " << opts.MaxSimultaneousAllocations
+         ///          << ", SampleRate: " << opts.SampleRate << " }\n";
+    }
+} init_gwp_asan;
+#endif
 
 /// Replace default new/delete with memory tracking versions.
 /// @sa https://en.cppreference.com/w/cpp/memory/new/operator_new

src/Common/tests/gtest_dns_reverse_resolve.cpp

@@ -0,0 +1,57 @@
+#include <gtest/gtest.h>
+#include <thread>
+#include <Common/DNSPTRResolverProvider.h>
+#include <Common/DNSResolver.h>
+#include <Poco/Net/IPAddress.h>
+#include <random>
+
+namespace DB
+{
+TEST(Common, ReverseDNS)
+{
+    auto addresses = std::vector<std::string>({
+        "8.8.8.8", "2001:4860:4860::8888", // dns.google
+        "142.250.219.35", // google.com
+        "157.240.12.35", // facebook
+        "208.84.244.116", "2600:1419:c400::214:c410", //www.terra.com.br,
+        "127.0.0.1", "::1"
+    });
+
+    auto func = [&]()
+    {
+        // Good random seed, good engine
+        auto rnd1 = std::mt19937(std::random_device{}());
+
+        for (int i = 0; i < 50; ++i)
+        {
+            auto & dns_resolver_instance = DNSResolver::instance();
+//            unfortunately, DNS cache can't be disabled because we might end up causing a DDoS attack
+//            dns_resolver_instance.setDisableCacheFlag();
+
+            auto addr_index = rnd1() % addresses.size();
+
+            [[maybe_unused]] auto result = dns_resolver_instance.reverseResolve(Poco::Net::IPAddress{ addresses[addr_index] });
+
+//            will not assert either because some of the IP addresses might change in the future and
+//            this test will become flaky
+//            ASSERT_TRUE(!result.empty());
+        }
+
+    };
+
+    auto number_of_threads = 200u;
+    std::vector<std::thread> threads;
+    threads.reserve(number_of_threads);
+
+    for (auto i = 0u; i < number_of_threads; i++)
+    {
+        threads.emplace_back(func);
+    }
+
+    for (auto & thread : threads)
+    {
+        thread.join();
+    }
+
+}
+}

src/Common/waitForPid.cpp

@@ -2,6 +2,9 @@
 #include <Common/VersionNumber.h>
 #include <Poco/Environment.h>
 #include <Common/Stopwatch.h>
+/// for abortOnFailedAssertion() via chassert() (dependency chain looks odd)
+#include <Common/Exception.h>
+#include <base/defines.h>
 
 #include <fcntl.h>
 #include <sys/wait.h>
@@ -105,7 +108,8 @@ static PollPidResult pollPid(pid_t pid, int timeout_in_ms)
     if (ready <= 0)
         return PollPidResult::FAILED;
 
-    close(pid_fd);
+    int err = close(pid_fd);
+    chassert(!err || errno == EINTR);
 
     return PollPidResult::RESTART;
 }

src/Coordination/KeeperStateMachine.cpp

@@ -1,5 +1,6 @@
 #include <cerrno>
 #include <base/errnoToString.h>
+#include <base/defines.h>
 #include <future>
 #include <Coordination/KeeperSnapshotManager.h>
 #include <Coordination/KeeperStateMachine.h>
@@ -471,13 +472,15 @@ static int bufferFromFile(Poco::Logger * log, const std::string & path, nuraft::
     if (chunk == MAP_FAILED)
     {
         LOG_WARNING(log, "Error mmapping {}, error: {}, errno: {}", path, errnoToString(), errno);
-        ::close(fd);
+        int err = ::close(fd);
+        chassert(!err || errno == EINTR);
         return errno;
     }
     data_out = nuraft::buffer::alloc(file_size);
     data_out->put_raw(chunk, file_size);
     ::munmap(chunk, file_size);
-    ::close(fd);
+    int err = ::close(fd);
+    chassert(!err || errno == EINTR);
     return 0;
 }
 

src/Core/Settings.h

@@ -549,6 +549,7 @@ class IColumn;
     M(Bool, query_cache_share_between_users, false, "Allow other users to read entry in the query cache", 0) \
     \
     M(Bool, optimize_rewrite_sum_if_to_count_if, false, "Rewrite sumIf() and sum(if()) function countIf() function when logically equivalent", 0) \
+    M(Bool, optimize_rewrite_aggregate_function_with_if, true, "Rewrite aggregate functions with if expression as argument when logically equivalent. For example, avg(if(cond, col, null)) can be rewritten to avgIf(cond, col)", 0) \
     M(UInt64, insert_shard_id, 0, "If non zero, when insert into a distributed table, the data will be inserted into the shard `insert_shard_id` synchronously. Possible values range from 1 to `shards_number` of corresponding distributed table", 0) \
     \
     M(Bool, collect_hash_table_stats_during_aggregation, true, "Enable collecting hash table statistics to optimize memory allocation", 0) \

src/Daemon/BaseDaemon.cpp

@@ -6,6 +6,7 @@
 #include <Daemon/SentryWriter.h>
 #include <Parsers/toOneLineQuery.h>
 #include <base/errnoToString.h>
+#include <base/defines.h>
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -568,6 +569,7 @@ std::string BaseDaemon::getDefaultConfigFileName() const
 
 void BaseDaemon::closeFDs()
 {
+    /// NOTE: may benefit from close_range() (linux 5.9+)
 #if defined(OS_FREEBSD) || defined(OS_DARWIN)
     fs::path proc_path{"/dev/fd"};
 #else
@@ -584,7 +586,13 @@ void BaseDaemon::closeFDs()
         for (const auto & fd : fds)
         {
             if (fd > 2 && fd != signal_pipe.fds_rw[0] && fd != signal_pipe.fds_rw[1])
-                ::close(fd);
+            {
+                int err = ::close(fd);
+                /// NOTE: it is OK to ignore error here since at least one fd
+                /// is already closed (for proc_path), and there can be some
+                /// tricky cases, likely.
+                (void)err;
+            }
         }
     }
     else
@@ -597,8 +605,16 @@ void BaseDaemon::closeFDs()
 #endif
             max_fd = 256; /// bad fallback
         for (int fd = 3; fd < max_fd; ++fd)
+        {
             if (fd != signal_pipe.fds_rw[0] && fd != signal_pipe.fds_rw[1])
-                ::close(fd);
+            {
+                int err = ::close(fd);
+                /// NOTE: it is OK to get EBADF here, since it is simply
+                /// iterator over all possible fds, without any checks does
+                /// this process has this fd or not.
+                (void)err;
+            }
+        }
     }
 }
 
@@ -701,7 +717,10 @@ void BaseDaemon::initialize(Application & self)
             if ((fd = creat(stderr_path.c_str(), 0600)) == -1 && errno != EEXIST)
                 throw Poco::OpenFileException("File " + stderr_path + " (logger.stderr) is not writable");
             if (fd != -1)
-                ::close(fd);
+            {
+                int err = ::close(fd);
+                chassert(!err || errno == EINTR);
+            }
         }
 
         if (!freopen(stderr_path.c_str(), "a+", stderr))

src/Databases/DDLDependencyVisitor.cpp

@@ -183,10 +183,11 @@ namespace
                 /// joinGet(join_storage_table_name, `value_column`, join_keys)
                 addQualifiedNameFromArgument(function, 0);
             }
-            else if (function.name == "in" || function.name == "notIn" || function.name == "globalIn" || function.name == "globalNotIn")
+            else if (functionIsInOrGlobalInOperator(function.name))
             {
-                /// in(x, table_name) - function for evaluating (x IN table_name)
-                addQualifiedNameFromArgument(function, 1);
+                /// x IN table_name.
+                /// We set evaluate=false here because we don't want to evaluate a subquery in "x IN subquery".
+                addQualifiedNameFromArgument(function, 1, /* evaluate= */ false);
             }
             else if (function.name == "dictionary")
             {
@@ -248,7 +249,10 @@ namespace
 
             if (has_local_replicas && !table_function)
             {
-                auto maybe_qualified_name = tryGetQualifiedNameFromArgument(function, 1, /* apply_current_database= */ false);
+                /// We set `apply_current_database=false` here because if this argument is an identifier without dot,
+                /// then it's not the name of a table within the current database, it's the name of a database, and
+                /// the name of a table will be in the following argument.
+                auto maybe_qualified_name = tryGetQualifiedNameFromArgument(function, 1, /* evaluate= */ true, /* apply_current_database= */ false);
                 if (!maybe_qualified_name)
                     return;
                 auto & qualified_name = *maybe_qualified_name;
@@ -271,7 +275,7 @@ namespace
         }
 
         /// Gets an argument as a string, evaluates constants if necessary.
-        std::optional<String> tryGetStringFromArgument(const ASTFunction & function, size_t arg_idx) const
+        std::optional<String> tryGetStringFromArgument(const ASTFunction & function, size_t arg_idx, bool evaluate = true) const
         {
             if (!function.arguments)
                 return {};
@@ -281,28 +285,41 @@ namespace
                 return {};
 
             const auto & arg = args[arg_idx];
-            ASTPtr evaluated;
 
+            if (evaluate)
+            {
                 try
                 {
-                evaluated = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);
-            }
-            catch (...)
-            {
-                return {};
-            }
-
+                    /// We're just searching for dependencies here, it's not safe to execute subqueries now.
+                    auto evaluated = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);
                     const auto * literal = evaluated->as<ASTLiteral>();
                     if (!literal || (literal->value.getType() != Field::Types::String))
                         return {};
                     return literal->value.safeGet<String>();
                 }
+                catch (...)
+                {
+                    return {};
+                }
+            }
+            else
+            {
+                if (const auto * id = arg->as<ASTIdentifier>())
+                    return id->name();
+                if (const auto * literal = arg->as<ASTLiteral>())
+                {
+                    if (literal->value.getType() == Field::Types::String)
+                        return literal->value.safeGet<String>();
+                }
+                return {};
+            }
+        }
 
         /// Gets an argument as a qualified table name.
         /// Accepts forms db_name.table_name (as an identifier) and 'db_name.table_name' (as a string).
         /// The function doesn't replace an empty database name with the current_database (the caller must do that).
-        std::optional<QualifiedTableName>
-        tryGetQualifiedNameFromArgument(const ASTFunction & function, size_t arg_idx, bool apply_current_database = true) const
+        std::optional<QualifiedTableName> tryGetQualifiedNameFromArgument(
+            const ASTFunction & function, size_t arg_idx, bool evaluate = true, bool apply_current_database = true) const
         {
             if (!function.arguments)
                 return {};
@@ -326,7 +343,7 @@ namespace
             }
             else
             {
-                auto qualified_name_as_string = tryGetStringFromArgument(function, arg_idx);
+                auto qualified_name_as_string = tryGetStringFromArgument(function, arg_idx, evaluate);
                 if (!qualified_name_as_string)
                     return {};
 
@@ -345,9 +362,9 @@ namespace
 
         /// Adds a qualified table name from an argument to the collection of dependencies.
         /// Accepts forms db_name.table_name (as an identifier) and 'db_name.table_name' (as a string).
-        void addQualifiedNameFromArgument(const ASTFunction & function, size_t arg_idx)
+        void addQualifiedNameFromArgument(const ASTFunction & function, size_t arg_idx, bool evaluate = true)
         {
-            if (auto qualified_name = tryGetQualifiedNameFromArgument(function, arg_idx))
+            if (auto qualified_name = tryGetQualifiedNameFromArgument(function, arg_idx, evaluate))
                 dependencies.emplace(std::move(qualified_name).value());
         }
 
@@ -360,7 +377,7 @@ namespace
                 return {};
 
             auto table = tryGetStringFromArgument(function, table_arg_idx);
-            if (!table)
+            if (!table || table->empty())
                 return {};
 
             QualifiedTableName qualified_name;

src/Dictionaries/HashedDictionary.cpp

@@ -1,3 +1,5 @@
+#include <Dictionaries/HashedDictionary.h>
+
 #include <numeric>
 #include <boost/noncopyable.hpp>
 
@@ -9,17 +11,16 @@
 
 #include <Core/Defines.h>
 
+#include <DataTypes/DataTypesDecimal.h>
+
 #include <Columns/ColumnsNumber.h>
 #include <Columns/ColumnNullable.h>
-#include <DataTypes/DataTypesDecimal.h>
 #include <Functions/FunctionHelpers.h>
 
-#include <Dictionaries//DictionarySource.h>
+#include <Dictionaries/DictionarySource.h>
 #include <Dictionaries/DictionaryFactory.h>
 #include <Dictionaries/HierarchyDictionariesUtils.h>
 
-#include "HashedDictionary.h"
-
 
 namespace
 {
@@ -59,7 +60,6 @@ public:
     explicit ParallelDictionaryLoader(HashedDictionary & dictionary_)
         : dictionary(dictionary_)
         , shards(dictionary.configuration.shards)
-        , simple_key(dictionary.dict_struct.getKeysSize() == 1)
         , pool(shards)
         , shards_queues(shards)
     {
@@ -116,7 +116,6 @@ public:
 private:
     HashedDictionary & dictionary;
     const size_t shards;
-    bool simple_key;
     ThreadPool pool;
     std::vector<std::optional<ConcurrentBoundedQueue<Block>>> shards_queues;
     std::vector<UInt64> shards_slots;
@@ -188,7 +187,7 @@ HashedDictionary<dictionary_key_type, sparse, sharded>::HashedDictionary(
     const StorageID & dict_id_,
     const DictionaryStructure & dict_struct_,
     DictionarySourcePtr source_ptr_,
-    const HashedDictionaryStorageConfiguration & configuration_,
+    const HashedDictionaryConfiguration & configuration_,
     BlockPtr update_field_loaded_block_)
     : IDictionary(dict_id_)
     , log(&Poco::Logger::get("HashedDictionary"))
@@ -205,7 +204,6 @@ HashedDictionary<dictionary_key_type, sparse, sharded>::HashedDictionary(
 
 template <DictionaryKeyType dictionary_key_type, bool sparse, bool sharded>
 HashedDictionary<dictionary_key_type, sparse, sharded>::~HashedDictionary()
-try
 {
     /// Do a regular sequential destroy in case of non sharded dictionary
     ///
@@ -215,8 +213,7 @@ try
         return;
 
     size_t shards = std::max<size_t>(configuration.shards, 1);
-    size_t attributes_tables = std::max<size_t>(attributes.size(), 1 /* no_attributes_containers */);
-    ThreadPool pool(shards * attributes_tables);
+    ThreadPool pool(shards);
 
     size_t hash_tables_count = 0;
     auto schedule_destroy = [&hash_tables_count, &pool](auto & container)
@@ -224,7 +221,7 @@ try
         if (container.empty())
             return;
 
-        pool.scheduleOrThrowOnError([&container, thread_group = CurrentThread::getGroup()]
+        pool.trySchedule([&container, thread_group = CurrentThread::getGroup()]
         {
             if (thread_group)
                 CurrentThread::attachToIfDetached(thread_group);
@@ -250,7 +247,7 @@ try
     {
         for (size_t attribute_index = 0; attribute_index < attributes.size(); ++attribute_index)
         {
-            getAttributeContainer(attribute_index, [&](auto & containers)
+            getAttributeContainers(attribute_index, [&](auto & containers)
             {
                 for (size_t shard = 0; shard < shards; ++shard)
                 {
@@ -264,10 +261,6 @@ try
     pool.wait();
     LOG_TRACE(log, "Hash tables destroyed");
 }
-catch (...)
-{
-    tryLogCurrentException("HashedDictionary", "Error while destroying dictionary in parallel, will do a sequential destroy.");
-}
 
 template <DictionaryKeyType dictionary_key_type, bool sparse, bool sharded>
 ColumnPtr HashedDictionary<dictionary_key_type, sparse, sharded>::getColumn(
@@ -291,11 +284,11 @@ ColumnPtr HashedDictionary<dictionary_key_type, sparse, sharded>::getColumn(
     const size_t attribute_index = dict_struct.attribute_name_to_index.find(attribute_name)->second;
     auto & attribute = attributes[attribute_index];
 
-    bool is_attribute_nullable = attribute.is_nullable_set.has_value();
+    bool is_attribute_nullable = attribute.is_nullable_sets.has_value();
 
     ColumnUInt8::MutablePtr col_null_map_to;
     ColumnUInt8::Container * vec_null_map_to = nullptr;
-    if (attribute.is_nullable_set)
+    if (is_attribute_nullable)
     {
         col_null_map_to = ColumnUInt8::create(size, false);
         vec_null_map_to = &col_null_map_to->getData();
@@ -409,22 +402,22 @@ ColumnUInt8::Ptr HashedDictionary<dictionary_key_type, sparse, sharded>::hasKeys
     }
 
     const auto & attribute = attributes.front();
-    bool is_attribute_nullable = attribute.is_nullable_set.has_value();
+    bool is_attribute_nullable = attribute.is_nullable_sets.has_value();
 
-    getAttributeContainer(0, [&](const auto & containers)
+    getAttributeContainers(0 /*attribute_index*/, [&](const auto & containers)
     {
         for (size_t requested_key_index = 0; requested_key_index < keys_size; ++requested_key_index)
         {
             auto key = extractor.extractCurrentKey();
-            const auto & container = containers[getShard(key)];
+            auto shard = getShard(key);
+            const auto & container = containers[shard];
 
             out[requested_key_index] = container.find(key) != container.end();
+            if (is_attribute_nullable && !out[requested_key_index])
+                out[requested_key_index] = (*attribute.is_nullable_sets)[shard].find(key) != nullptr;
 
             keys_found += out[requested_key_index];
 
-            if (is_attribute_nullable && !out[requested_key_index])
-                out[requested_key_index] = attribute.is_nullable_set->find(key) != nullptr;
-
             extractor.rollbackCurrentKey();
         }
     });
@@ -457,10 +450,12 @@ ColumnPtr HashedDictionary<dictionary_key_type, sparse, sharded>::getHierarchy(C
 
         auto is_key_valid_func = [&](auto & hierarchy_key)
         {
-            if (unlikely(hierarchical_attribute.is_nullable_set) && hierarchical_attribute.is_nullable_set->find(hierarchy_key))
+            auto shard = getShard(hierarchy_key);
+
+            if (unlikely(hierarchical_attribute.is_nullable_sets) && (*hierarchical_attribute.is_nullable_sets)[shard].find(hierarchy_key))
                 return true;
 
-            const auto & map = child_key_to_parent_key_maps[getShard(hierarchy_key)];
+            const auto & map = child_key_to_parent_key_maps[shard];
             return map.find(hierarchy_key) != map.end();
         };
 
@@ -529,10 +524,12 @@ ColumnUInt8::Ptr HashedDictionary<dictionary_key_type, sparse, sharded>::isInHie
 
         auto is_key_valid_func = [&](auto & hierarchy_key)
         {
-            if (unlikely(hierarchical_attribute.is_nullable_set) && hierarchical_attribute.is_nullable_set->find(hierarchy_key))
+            auto shard = getShard(hierarchy_key);
+
+            if (unlikely(hierarchical_attribute.is_nullable_sets) && (*hierarchical_attribute.is_nullable_sets)[shard].find(hierarchy_key))
                 return true;
 
-            const auto & map = child_key_to_parent_key_maps[getShard(hierarchy_key)];
+            const auto & map = child_key_to_parent_key_maps[shard];
             return map.find(hierarchy_key) != map.end();
         };
 
@@ -643,8 +640,8 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::createAttributes()
             using AttributeType = typename Type::AttributeType;
             using ValueType = DictionaryValueType<AttributeType>;
 
-            auto is_nullable_set = dictionary_attribute.is_nullable ? std::make_optional<NullableSet>() : std::optional<NullableSet>{};
-            Attribute attribute{dictionary_attribute.underlying_type, std::move(is_nullable_set), CollectionsHolder<ValueType>(configuration.shards)};
+            auto is_nullable_sets = dictionary_attribute.is_nullable ? std::make_optional<NullableSets>(configuration.shards) : std::optional<NullableSets>{};
+            Attribute attribute{dictionary_attribute.underlying_type, std::move(is_nullable_sets), CollectionsHolder<ValueType>(configuration.shards)};
             attributes.emplace_back(std::move(attribute));
         };
 
@@ -747,9 +744,9 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::blockToAttributes(c
     {
         const IColumn & attribute_column = *block.safeGetByPosition(skip_keys_size_offset + attribute_index).column;
         auto & attribute = attributes[attribute_index];
-        bool attribute_is_nullable = attribute.is_nullable_set.has_value();
+        bool attribute_is_nullable = attribute.is_nullable_sets.has_value();
 
-        getAttributeContainer(attribute_index, [&](auto & containers)
+        getAttributeContainers(attribute_index, [&](auto & containers)
         {
             using ContainerType = std::decay_t<decltype(containers.front())>;
             using AttributeValueType = typename ContainerType::mapped_type;
@@ -760,7 +757,7 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::blockToAttributes(c
                 auto & container = containers[shard];
 
                 auto it = container.find(key);
-                bool key_is_nullable_and_already_exists = attribute_is_nullable && attribute.is_nullable_set->find(key) != nullptr;
+                bool key_is_nullable_and_already_exists = attribute_is_nullable && (*attribute.is_nullable_sets)[shard].find(key) != nullptr;
 
                 if (key_is_nullable_and_already_exists || it != container.end())
                 {
@@ -773,9 +770,10 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::blockToAttributes(c
 
                 attribute_column.get(key_index, column_value_to_insert);
 
-                if (attribute.is_nullable_set && column_value_to_insert.isNull())
+                if (attribute_is_nullable && column_value_to_insert.isNull())
                 {
-                    attribute.is_nullable_set->insert(key);
+                    (*attribute.is_nullable_sets)[shard].insert(key);
+                    ++new_element_count;
                     keys_extractor.rollbackCurrentKey();
                     continue;
                 }
@@ -793,7 +791,6 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::blockToAttributes(c
                 }
 
                 ++new_element_count;
-
                 keys_extractor.rollbackCurrentKey();
             }
 
@@ -830,7 +827,7 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::resize(size_t added
 
     for (size_t attribute_index = 0; attribute_index < attributes_size; ++attribute_index)
     {
-        getAttributeContainer(attribute_index, [added_rows](auto & containers)
+        getAttributeContainers(attribute_index, [added_rows](auto & containers)
         {
             auto & container = containers.front();
             size_t reserve_size = added_rows + container.size();
@@ -859,6 +856,7 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::getItemsImpl(
     for (size_t key_index = 0; key_index < keys_size; ++key_index)
     {
         auto key = keys_extractor.extractCurrentKey();
+        auto shard = getShard(key);
 
         const auto & container = attribute_containers[getShard(key)];
         const auto it = container.find(key);
@@ -872,12 +870,14 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::getItemsImpl(
         {
             if constexpr (is_nullable)
             {
-                bool is_value_nullable = (attribute.is_nullable_set->find(key) != nullptr) || default_value_extractor.isNullAt(key_index);
+                bool is_value_nullable = ((*attribute.is_nullable_sets)[shard].find(key) != nullptr) || default_value_extractor.isNullAt(key_index);
                 set_value(key_index, default_value_extractor[key_index], is_value_nullable);
             }
             else
+            {
                 set_value(key_index, default_value_extractor[key_index], false);
             }
+        }
 
         keys_extractor.rollbackCurrentKey();
     }
@@ -940,9 +940,9 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::calculateBytesAlloc
     size_t attributes_size = attributes.size();
     bytes_allocated += attributes_size * sizeof(attributes.front());
 
-    for (size_t i = 0; i < attributes_size; ++i)
+    for (size_t attribute_index = 0; attribute_index < attributes_size; ++attribute_index)
     {
-        getAttributeContainer(i, [&](const auto & containers)
+        getAttributeContainers(attribute_index, [&](const auto & containers)
         {
             for (const auto & container : containers)
             {
@@ -968,10 +968,14 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::calculateBytesAlloc
             }
         });
 
-        bytes_allocated += sizeof(attributes[i].is_nullable_set);
+        const auto & attribute = attributes[attribute_index];
+        bytes_allocated += sizeof(attribute.is_nullable_sets);
 
-        if (attributes[i].is_nullable_set.has_value())
-            bytes_allocated = attributes[i].is_nullable_set->getBufferSizeInBytes();
+        if (attribute.is_nullable_sets.has_value())
+        {
+            for (auto & is_nullable_set : *attribute.is_nullable_sets)
+                bytes_allocated += is_nullable_set.getBufferSizeInBytes();
+        }
     }
 
     if (unlikely(attributes_size == 0))
@@ -1016,7 +1020,7 @@ Pipe HashedDictionary<dictionary_key_type, sparse, sharded>::read(const Names &
     {
         const auto & attribute = attributes.front();
 
-        getAttributeContainer(0, [&](auto & containers)
+        getAttributeContainers(0 /*attribute_index*/, [&](auto & containers)
         {
             for (const auto & container : containers)
             {
@@ -1026,17 +1030,19 @@ Pipe HashedDictionary<dictionary_key_type, sparse, sharded>::read(const Names &
                 {
                     keys.emplace_back(key);
                 }
+            }
+        });
 
-                if (attribute.is_nullable_set)
+        if (attribute.is_nullable_sets)
+        {
+            for (auto & is_nullable_set : *attribute.is_nullable_sets)
             {
-                    const auto & is_nullable_set = *attribute.is_nullable_set;
                 keys.reserve(is_nullable_set.size());
 
                 for (auto & node : is_nullable_set)
                     keys.emplace_back(node.getKey());
             }
         }
-        });
     }
     else
     {
@@ -1074,8 +1080,8 @@ Pipe HashedDictionary<dictionary_key_type, sparse, sharded>::read(const Names &
 }
 
 template <DictionaryKeyType dictionary_key_type, bool sparse, bool sharded>
-template <typename GetContainerFunc>
-void HashedDictionary<dictionary_key_type, sparse, sharded>::getAttributeContainer(size_t attribute_index, GetContainerFunc && get_container_func)
+template <typename GetContainersFunc>
+void HashedDictionary<dictionary_key_type, sparse, sharded>::getAttributeContainers(size_t attribute_index, GetContainersFunc && get_containers_func)
 {
     assert(attribute_index < attributes.size());
 
@@ -1088,30 +1094,31 @@ void HashedDictionary<dictionary_key_type, sparse, sharded>::getAttributeContain
         using ValueType = DictionaryValueType<AttributeType>;
 
         auto & attribute_containers = std::get<CollectionsHolder<ValueType>>(attribute.containers);
-        std::forward<GetContainerFunc>(get_container_func)(attribute_containers);
+        std::forward<GetContainersFunc>(get_containers_func)(attribute_containers);
     };
 
     callOnDictionaryAttributeType(attribute.type, type_call);
 }
 
 template <DictionaryKeyType dictionary_key_type, bool sparse, bool sharded>
-template <typename GetContainerFunc>
-void HashedDictionary<dictionary_key_type, sparse, sharded>::getAttributeContainer(size_t attribute_index, GetContainerFunc && get_container_func) const
+template <typename GetContainersFunc>
+void HashedDictionary<dictionary_key_type, sparse, sharded>::getAttributeContainers(size_t attribute_index, GetContainersFunc && get_containers_func) const
 {
-    const_cast<std::decay_t<decltype(*this)> *>(this)->getAttributeContainer(attribute_index, [&](auto & attribute_container)
+    const_cast<std::decay_t<decltype(*this)> *>(this)->getAttributeContainers(attribute_index, [&](auto & attribute_containers)
     {
-        std::forward<GetContainerFunc>(get_container_func)(attribute_container);
+        std::forward<GetContainersFunc>(get_containers_func)(attribute_containers);
     });
 }
 
-template class HashedDictionary<DictionaryKeyType::Simple, false, false>;
-template class HashedDictionary<DictionaryKeyType::Simple, false, true>;
-template class HashedDictionary<DictionaryKeyType::Simple, true, false>;
-template class HashedDictionary<DictionaryKeyType::Simple, true, true>;
-template class HashedDictionary<DictionaryKeyType::Complex, false, false>;
-template class HashedDictionary<DictionaryKeyType::Complex, false, true>;
-template class HashedDictionary<DictionaryKeyType::Complex, true, false>;
-template class HashedDictionary<DictionaryKeyType::Complex, true, true>;
+template class HashedDictionary<DictionaryKeyType::Simple, false, /*sparse*/ false /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Simple, false /*sparse*/, true /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Simple, true /*sparse*/, false /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Simple, true /*sparse*/, true /*sharded*/>;
+
+template class HashedDictionary<DictionaryKeyType::Complex, false /*sparse*/, false /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Complex, false /*sparse*/, true /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Complex, true /*sparse*/, false /*sharded*/>;
+template class HashedDictionary<DictionaryKeyType::Complex, true /*sparse*/, true /*sharded*/>;
 
 void registerDictionaryHashed(DictionaryFactory & factory)
 {
@@ -1141,19 +1148,9 @@ void registerDictionaryHashed(DictionaryFactory & factory)
         std::string dictionary_layout_name;
 
         if (dictionary_key_type == DictionaryKeyType::Simple)
-        {
-            if (sparse)
-                dictionary_layout_name = "sparse_hashed";
+            dictionary_layout_name = sparse ? "sparse_hashed" : "hashed";
         else
-                dictionary_layout_name = "hashed";
-        }
-        else
-        {
-            if (sparse)
-                dictionary_layout_name = "complex_key_sparse_hashed";
-            else
-                dictionary_layout_name = "complex_key_hashed";
-        }
+            dictionary_layout_name = sparse ? "complex_key_sparse_hashed" : "complex_key_hashed";
 
         const std::string dictionary_layout_prefix = ".layout." + dictionary_layout_name;
         const bool preallocate = config.getBool(config_prefix + dictionary_layout_prefix + ".preallocate", false);
@@ -1168,7 +1165,7 @@ void registerDictionaryHashed(DictionaryFactory & factory)
         if (shard_load_queue_backlog <= 0)
             throw Exception(ErrorCodes::BAD_ARGUMENTS,"{}: SHARD_LOAD_QUEUE_BACKLOG parameter should be greater then zero", full_name);
 
-        HashedDictionaryStorageConfiguration configuration{
+        HashedDictionaryConfiguration configuration{
             static_cast<UInt64>(shards),
             static_cast<UInt64>(shard_load_queue_backlog),
             require_nonempty,

src/Dictionaries/HashedDictionary.h

@@ -24,7 +24,7 @@
 namespace DB
 {
 
-struct HashedDictionaryStorageConfiguration
+struct HashedDictionaryConfiguration
 {
     const UInt64 shards;
     const UInt64 shard_load_queue_backlog;
@@ -47,7 +47,7 @@ public:
         const StorageID & dict_id_,
         const DictionaryStructure & dict_struct_,
         DictionarySourcePtr source_ptr_,
-        const HashedDictionaryStorageConfiguration & configuration_,
+        const HashedDictionaryConfiguration & configuration_,
         BlockPtr update_field_loaded_block_ = nullptr);
     ~HashedDictionary() override;
 
@@ -174,11 +174,12 @@ private:
     using NoAttributesCollectionType = std::conditional_t<sparse, NoAttributesCollectionTypeSparse, NoAttributesCollectionTypeNonSparse>;
 
     using NullableSet = HashSet<KeyType, DefaultHash<KeyType>>;
+    using NullableSets = std::vector<NullableSet>;
 
     struct Attribute final
     {
         AttributeUnderlyingType type;
-        std::optional<NullableSet> is_nullable_set;
+        std::optional<NullableSets> is_nullable_sets;
 
         std::variant<
             CollectionsHolder<UInt8>,
@@ -243,11 +244,11 @@ private:
         ValueSetter && set_value,
         DefaultValueExtractor & default_value_extractor) const;
 
-    template <typename GetContainerFunc>
-    void getAttributeContainer(size_t attribute_index, GetContainerFunc && get_container_func);
+    template <typename GetContainersFunc>
+    void getAttributeContainers(size_t attribute_index, GetContainersFunc && get_containers_func);
 
-    template <typename GetContainerFunc>
-    void getAttributeContainer(size_t attribute_index, GetContainerFunc && get_container_func) const;
+    template <typename GetContainersFunc>
+    void getAttributeContainers(size_t attribute_index, GetContainersFunc && get_containers_func) const;
 
     void resize(size_t added_rows);
 
@@ -255,7 +256,7 @@ private:
 
     const DictionaryStructure dict_struct;
     const DictionarySourcePtr source_ptr;
-    const HashedDictionaryStorageConfiguration configuration;
+    const HashedDictionaryConfiguration configuration;
 
     std::vector<Attribute> attributes;
 
@@ -272,14 +273,14 @@ private:
     DictionaryHierarchicalParentToChildIndexPtr hierarchical_index;
 };
 
-extern template class HashedDictionary<DictionaryKeyType::Simple, /* sparse= */ false, /* sharded= */ false>;
-extern template class HashedDictionary<DictionaryKeyType::Simple, /* sparse= */ false, /* sharded= */ true>;
-extern template class HashedDictionary<DictionaryKeyType::Simple, /* sparse= */ true, /* sharded= */ false>;
-extern template class HashedDictionary<DictionaryKeyType::Simple, /* sparse= */ true, /* sharded= */ true>;
+extern template class HashedDictionary<DictionaryKeyType::Simple, false, /*sparse*/ false /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Simple, false /*sparse*/, true /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Simple, true /*sparse*/, false /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Simple, true /*sparse*/, true /*sharded*/>;
 
-extern template class HashedDictionary<DictionaryKeyType::Complex, /* sparse= */ false, /* sharded= */ false>;
-extern template class HashedDictionary<DictionaryKeyType::Complex, /* sparse= */ false, /* sharded= */ true>;
-extern template class HashedDictionary<DictionaryKeyType::Complex, /* sparse= */ true, /* sharded= */ false>;
-extern template class HashedDictionary<DictionaryKeyType::Complex, /* sparse= */ true, /* sharded= */ true>;
+extern template class HashedDictionary<DictionaryKeyType::Complex, false /*sparse*/, false /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Complex, false /*sparse*/, true /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Complex, true /*sparse*/, false /*sharded*/>;
+extern template class HashedDictionary<DictionaryKeyType::Complex, true /*sparse*/, true /*sharded*/>;
 
 }

src/Dictionaries/IDictionary.h

@@ -348,7 +348,7 @@ public:
 
         Columns default_cols(result_types.size());
         for (size_t i = 0; i < result_types.size(); ++i)
-            /// Dictinonary may have non-standart default values specified
+            /// Dictinonary may have non-standard default values specified
             default_cols[i] = result_types[i]->createColumnConstWithDefaultValue(out_null_map.size());
 
         Columns result_columns = getColumns(attribute_names, result_types, key_columns, key_types, default_cols);

src/Dictionaries/SSDCacheDictionaryStorage.h

@@ -12,6 +12,7 @@
 #include <absl/container/flat_hash_set.h>
 
 #include <base/unaligned.h>
+#include <base/defines.h>
 #include <base/sort.h>
 #include <Common/randomSeed.h>
 #include <Common/Arena.h>
@@ -768,7 +769,8 @@ private:
             if (this == &rhs)
                 return *this;
 
-            close(fd);
+            int err = ::close(fd);
+            chassert(!err || errno == EINTR);
 
             fd = rhs.fd;
             rhs.fd = -1;
@@ -777,7 +779,10 @@ private:
         ~FileDescriptor()
         {
             if (fd != -1)
-                close(fd);
+            {
+                int err = close(fd);
+                chassert(!err || errno == EINTR);
+            }
         }
 
         int fd = -1;

src/Disks/tests/gtest_disk.cpp

@@ -31,43 +31,43 @@ public:
 
 TEST_F(DiskTest, createDirectories)
 {
-    this->disk->createDirectories("test_dir1/");
-    EXPECT_TRUE(this->disk->isDirectory("test_dir1/"));
+    disk->createDirectories("test_dir1/");
+    EXPECT_TRUE(disk->isDirectory("test_dir1/"));
 
-    this->disk->createDirectories("test_dir2/nested_dir/");
-    EXPECT_TRUE(this->disk->isDirectory("test_dir2/nested_dir/"));
+    disk->createDirectories("test_dir2/nested_dir/");
+    EXPECT_TRUE(disk->isDirectory("test_dir2/nested_dir/"));
 }
 
 
 TEST_F(DiskTest, writeFile)
 {
     {
-        std::unique_ptr<DB::WriteBuffer> out = this->disk->writeFile("test_file");
+        std::unique_ptr<DB::WriteBuffer> out = disk->writeFile("test_file");
         writeString("test data", *out);
     }
 
     DB::String data;
     {
-        std::unique_ptr<DB::ReadBuffer> in = this->disk->readFile("test_file");
+        std::unique_ptr<DB::ReadBuffer> in = disk->readFile("test_file");
         readString(data, *in);
     }
 
     EXPECT_EQ("test data", data);
-    EXPECT_EQ(data.size(), this->disk->getFileSize("test_file"));
+    EXPECT_EQ(data.size(), disk->getFileSize("test_file"));
 }
 
 
 TEST_F(DiskTest, readFile)
 {
     {
-        std::unique_ptr<DB::WriteBuffer> out = this->disk->writeFile("test_file");
+        std::unique_ptr<DB::WriteBuffer> out = disk->writeFile("test_file");
         writeString("test data", *out);
     }
 
     // Test SEEK_SET
     {
         String buf(4, '0');
-        std::unique_ptr<DB::SeekableReadBuffer> in = this->disk->readFile("test_file");
+        std::unique_ptr<DB::SeekableReadBuffer> in = disk->readFile("test_file");
 
         in->seek(5, SEEK_SET);
 
@@ -77,7 +77,7 @@ TEST_F(DiskTest, readFile)
 
     // Test SEEK_CUR
     {
-        std::unique_ptr<DB::SeekableReadBuffer> in = this->disk->readFile("test_file");
+        std::unique_ptr<DB::SeekableReadBuffer> in = disk->readFile("test_file");
         String buf(4, '0');
 
         in->readStrict(buf.data(), 4);
@@ -94,10 +94,10 @@ TEST_F(DiskTest, readFile)
 
 TEST_F(DiskTest, iterateDirectory)
 {
-    this->disk->createDirectories("test_dir/nested_dir/");
+    disk->createDirectories("test_dir/nested_dir/");
 
     {
-        auto iter = this->disk->iterateDirectory("");
+        auto iter = disk->iterateDirectory("");
         EXPECT_TRUE(iter->isValid());
         EXPECT_EQ("test_dir/", iter->path());
         iter->next();
@@ -105,7 +105,7 @@ TEST_F(DiskTest, iterateDirectory)
     }
 
     {
-        auto iter = this->disk->iterateDirectory("test_dir/");
+        auto iter = disk->iterateDirectory("test_dir/");
         EXPECT_TRUE(iter->isValid());
         EXPECT_EQ("test_dir/nested_dir/", iter->path());
         iter->next();

src/Functions/padString.cpp

@@ -16,12 +16,13 @@ namespace ErrorCodes
     extern const int ILLEGAL_TYPE_OF_ARGUMENT;
     extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
     extern const int TOO_LARGE_STRING_SIZE;
+    extern const int INDEX_OF_POSITIONAL_ARGUMENT_IS_OUT_OF_RANGE;
 }
 
 namespace
 {
     /// The maximum new padded length.
-    constexpr size_t MAX_NEW_LENGTH = 1000000;
+    constexpr ssize_t MAX_NEW_LENGTH = 1000000;
 
     /// Appends padding characters to a sink based on a pad string.
     /// Depending on how many padding characters are required to add
@@ -173,7 +174,7 @@ namespace
                     arguments[0]->getName(),
                     getName());
 
-            if (!isUnsignedInteger(arguments[1]))
+            if (!isInteger(arguments[1]))
                 throw Exception(
                     ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
                     "Illegal type {} of the second argument of function {}, should be unsigned integer",
@@ -254,7 +255,7 @@ namespace
             StringSink & res_sink) const
         {
             bool is_const_new_length = lengths.isConst();
-            size_t new_length = 0;
+            ssize_t new_length = 0;
 
             /// Insert padding characters to each string from `strings`, write the result strings into `res_sink`.
             /// If for some input string its current length is greater than the specified new length then that string
@@ -262,18 +263,23 @@ namespace
             for (; !res_sink.isEnd(); res_sink.next(), strings.next(), lengths.next())
             {
                 auto str = strings.getWhole();
-                size_t current_length = getLengthOfSlice<is_utf8>(str);
+                ssize_t current_length = getLengthOfSlice<is_utf8>(str);
 
                 if (!res_sink.rowNum() || !is_const_new_length)
                 {
                     /// If `is_const_new_length` is true we can get and check the new length only once.
                     auto new_length_slice = lengths.getWhole();
-                    new_length = new_length_slice.elements->getUInt(new_length_slice.position);
+                    new_length = new_length_slice.elements->getInt(new_length_slice.position);
                     if (new_length > MAX_NEW_LENGTH)
                     {
                         throw Exception(ErrorCodes::TOO_LARGE_STRING_SIZE, "New padded length ({}) is too big, maximum is: {}",
                             std::to_string(new_length), std::to_string(MAX_NEW_LENGTH));
                     }
+                    if (new_length < 0)
+                    {
+                        throw Exception(
+                            ErrorCodes::INDEX_OF_POSITIONAL_ARGUMENT_IS_OUT_OF_RANGE, "New padded length ({}) is negative", std::to_string(new_length));
+                    }
                     if (is_const_new_length)
                     {
                         size_t rows_count = res_sink.offsets.size();

src/Functions/reverseDNSQuery.cpp

@@ -0,0 +1,142 @@
+#include <Columns/ColumnString.h>
+#include <Columns/ColumnArray.h>
+#include <Functions/FunctionFactory.h>
+#include <Functions/IFunction.h>
+#include <DataTypes/DataTypeString.h>
+#include <DataTypes/DataTypeArray.h>
+#include <Common/DNSResolver.h>
+#include <Poco/Net/IPAddress.h>
+#include <Interpreters/Context.h>
+#include <Poco/Util/AbstractConfiguration.h>
+
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
+    extern const int BAD_ARGUMENTS;
+    extern const int FUNCTION_NOT_ALLOWED;
+}
+
+class ReverseDNSQuery : public IFunction
+{
+public:
+    static constexpr auto name = "reverseDNSQuery";
+    static constexpr auto allow_function_config_name = "allow_reverse_dns_query_function";
+
+    static FunctionPtr create(ContextPtr)
+    {
+        return std::make_shared<ReverseDNSQuery>();
+    }
+
+    String getName() const override
+    {
+        return name;
+    }
+
+    ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & data_type, size_t input_rows_count) const override
+    {
+        if (!Context::getGlobalContextInstance()->getConfigRef().getBool(allow_function_config_name, false))
+        {
+            throw Exception(ErrorCodes::FUNCTION_NOT_ALLOWED, "Function {} is not allowed because {} is not set", name, allow_function_config_name);
+        }
+
+        if (arguments.empty())
+        {
+            throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH, "Function {} requires at least one argument", name);
+        }
+
+        auto res_type = getReturnTypeImpl({data_type});
+
+        if (input_rows_count == 0u)
+        {
+            return res_type->createColumnConstWithDefaultValue(input_rows_count);
+        }
+
+        if (!isString(arguments[0].type))
+        {
+            throw Exception(ErrorCodes::BAD_ARGUMENTS, "Function {} requires the input column to be of type String", name);
+        }
+
+        auto input_column = arguments[0].column;
+
+        auto ip_address = Poco::Net::IPAddress(input_column->getDataAt(0).toString());
+
+        auto ptr_records = DNSResolver::instance().reverseResolve(ip_address);
+
+        if (ptr_records.empty())
+            return res_type->createColumnConstWithDefaultValue(input_rows_count);
+
+        Array res;
+
+        for (const auto & ptr_record : ptr_records)
+        {
+            res.push_back(ptr_record);
+        }
+
+        return res_type->createColumnConst(input_rows_count, res);
+    }
+
+    bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override
+    {
+        return false;
+    }
+
+    size_t getNumberOfArguments() const override
+    {
+        return 1u;
+    }
+
+    DataTypePtr getReturnTypeImpl(const DataTypes & /*arguments*/) const override
+    {
+        return std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>());
+    }
+
+};
+
+
+REGISTER_FUNCTION(ReverseDNSQuery)
+{
+    factory.registerFunction<ReverseDNSQuery>(
+        Documentation(
+            R"(Performs a reverse DNS query to get the PTR records associated with the IP address.
+
+                **Syntax**
+
+                ``` sql
+                reverseDNSQuery(address)
+                ```
+
+                This function performs reverse DNS resolutions on both IPv4 and IPv6.
+
+                **Arguments**
+
+                -   `address` — An IPv4 or IPv6 address. [String](../../sql-reference/data-types/string.md).
+
+                **Returned value**
+
+                -   Associated domains (PTR records).
+
+                Type: Type: [Array(String)](../../sql-reference/data-types/array.md).
+
+                **Example**
+
+                Query:
+
+                ``` sql
+                SELECT reverseDNSQuery('192.168.0.2');
+                ```
+
+                Result:
+
+                ``` text
+                ┌─reverseDNSQuery('192.168.0.2')────────────┐
+                │ ['test2.example.com','test3.example.com'] │
+                └───────────────────────────────────────────┘
+                ```
+                )")
+    );
+}
+
+}

src/Functions/ztest.cpp

@@ -190,7 +190,7 @@ public:
                 zstat = diff / std::sqrt(p_pooled * (1.0 - p_pooled) * trials_fact);
             }
 
-            if (!std::isfinite(zstat))
+            if (unlikely(!std::isfinite(zstat)))
             {
                 insert_values_into_result(nan, nan, nan, nan);
                 continue;

src/IO/AsynchronousReadBufferFromFile.cpp

@@ -3,6 +3,7 @@
 #include <IO/AsynchronousReadBufferFromFile.h>
 #include <IO/WriteHelpers.h>
 #include <Common/ProfileEvents.h>
+#include <base/defines.h>
 #include <cerrno>
 
 
@@ -81,7 +82,8 @@ AsynchronousReadBufferFromFile::~AsynchronousReadBufferFromFile()
     if (fd < 0)
         return;
 
-    ::close(fd);
+    int err = ::close(fd);
+    chassert(!err || errno == EINTR);
 }
 
 

src/IO/ReadBufferFromFile.cpp

@@ -3,6 +3,7 @@
 #include <IO/ReadBufferFromFile.h>
 #include <IO/WriteHelpers.h>
 #include <Common/ProfileEvents.h>
+#include <base/defines.h>
 #include <cerrno>
 
 
@@ -73,7 +74,8 @@ ReadBufferFromFile::~ReadBufferFromFile()
     if (fd < 0)
         return;
 
-    ::close(fd);
+    int err = ::close(fd);
+    chassert(!err || errno == EINTR);
 }
 
 

src/IO/WriteBufferFromFile.cpp

@@ -3,6 +3,7 @@
 #include <cerrno>
 
 #include <Common/ProfileEvents.h>
+#include <base/defines.h>
 
 #include <IO/WriteBufferFromFile.h>
 #include <IO/WriteHelpers.h>
@@ -71,8 +72,18 @@ WriteBufferFromFile::WriteBufferFromFile(
 
 WriteBufferFromFile::~WriteBufferFromFile()
 {
+    if (fd < 0)
+        return;
+
     finalize();
-    ::close(fd);
+    int err = ::close(fd);
+    /// Everything except for EBADF should be ignored in dtor, since all of
+    /// others (EINTR/EIO/ENOSPC/EDQUOT) could be possible during writing to
+    /// fd, and then write already failed and the error had been reported to
+    /// the user/caller.
+    ///
+    /// Note, that for close() on Linux, EINTR should *not* be retried.
+    chassert(!(err && errno == EBADF));
 }
 
 void WriteBufferFromFile::finalizeImpl()

src/IO/WriteBufferFromTemporaryFile.cpp

@@ -55,7 +55,7 @@ ReadBufferPtr WriteBufferFromTemporaryFile::getReadBufferImpl()
 
     auto res = ReadBufferFromTemporaryWriteBuffer::createFrom(this);
 
-    /// invalidate FD to avoid close(fd) in destructor
+    /// invalidate FD to avoid close() in destructor
     setFD(-1);
     file_name = {};
 

src/Interpreters/OpenTelemetrySpanLog.h

@@ -20,7 +20,7 @@ struct OpenTelemetrySpanLogElement : public OpenTelemetry::Span
     static const char * getCustomColumnList() { return nullptr; }
 };
 
-// OpenTelemetry standartizes some Log data as well, so it's not just
+// OpenTelemetry standardizes some Log data as well, so it's not just
 // OpenTelemetryLog to avoid confusion.
 class OpenTelemetrySpanLog : public SystemLog<OpenTelemetrySpanLogElement>
 {

src/Processors/Executors/PollingQueue.cpp

@@ -3,6 +3,7 @@
 #if defined(OS_LINUX)
 
 #include <Common/Exception.h>
+#include <base/defines.h>
 #include <sys/epoll.h>
 #include <unistd.h>
 #include <fcntl.h>
@@ -31,8 +32,11 @@ PollingQueue::PollingQueue()
 
 PollingQueue::~PollingQueue()
 {
-    close(pipe_fd[0]);
-    close(pipe_fd[1]);
+    int err;
+    err = close(pipe_fd[0]);
+    chassert(!err || errno == EINTR);
+    err = close(pipe_fd[1]);
+    chassert(!err || errno == EINTR);
 }
 
 void PollingQueue::addTask(size_t thread_number, void * data, int fd)

src/Processors/Executors/PullingAsyncPipelineExecutor.cpp

@@ -117,7 +117,7 @@ bool PullingAsyncPipelineExecutor::pull(Chunk & chunk, uint64_t milliseconds)
     data->rethrowExceptionIfHas();
 
     bool is_execution_finished
-        = !data->executor->checkTimeLimitSoft() || lazy_format ? lazy_format->isFinished() : data->is_finished.load();
+        = !data->executor->checkTimeLimitSoft() || (lazy_format ? lazy_format->isFinished() : data->is_finished.load());
 
     if (is_execution_finished)
     {

src/Processors/Merges/Algorithms/tests/gtest_graphite.cpp

@@ -12,6 +12,7 @@
 #include <AggregateFunctions/registerAggregateFunctions.h>
 #include <Processors/Merges/Algorithms/Graphite.h>
 #include <Common/Config/ConfigProcessor.h>
+#include <base/defines.h>
 #include <base/errnoToString.h>
 
 
@@ -57,7 +58,9 @@ static ConfigProcessor::LoadedConfig loadConfigurationFromString(std::string & s
         {
             throw std::runtime_error("unable write to temp file");
         }
-        close(fd);
+        int error = close(fd);
+        chassert(!error);
+
         auto config_path = std::string(tmp_file) + ".xml";
         if (std::rename(tmp_file, config_path.c_str()))
         {

src/QueryPipeline/RemoteQueryExecutorReadContext.cpp

@@ -1,6 +1,7 @@
 #if defined(OS_LINUX)
 
 #include <QueryPipeline/RemoteQueryExecutorReadContext.h>
+#include <base/defines.h>
 #include <Common/Exception.h>
 #include <Common/NetException.h>
 #include <Client/IConnections.h>
@@ -219,9 +220,15 @@ RemoteQueryExecutorReadContext::~RemoteQueryExecutorReadContext()
 {
     /// connection_fd is closed by Poco::Net::Socket or Epoll
     if (pipe_fd[0] != -1)
-        close(pipe_fd[0]);
+    {
+        int err = close(pipe_fd[0]);
+        chassert(!err || errno == EINTR);
+    }
     if (pipe_fd[1] != -1)
-        close(pipe_fd[1]);
+    {
+        int err = close(pipe_fd[1]);
+        chassert(!err || errno == EINTR);
+    }
 }
 
 }

src/Server/KeeperTCPHandler.cpp

@@ -12,6 +12,7 @@
 #include <Common/NetException.h>
 #include <Common/setThreadName.h>
 #include <Common/logger_useful.h>
+#include <base/defines.h>
 #include <chrono>
 #include <Common/PipeFDs.h>
 #include <Poco/Util/AbstractConfiguration.h>
@@ -87,14 +88,18 @@ struct SocketInterruptablePollWrapper
         socket_event.data.fd = sockfd;
         if (epoll_ctl(epollfd, EPOLL_CTL_ADD, sockfd, &socket_event) < 0)
         {
-            ::close(epollfd);
+            int err = ::close(epollfd);
+            chassert(!err || errno == EINTR);
+
             throwFromErrno("Cannot insert socket into epoll queue", ErrorCodes::SYSTEM_ERROR);
         }
         pipe_event.events = EPOLLIN | EPOLLERR | EPOLLPRI;
         pipe_event.data.fd = pipe.fds_rw[0];
         if (epoll_ctl(epollfd, EPOLL_CTL_ADD, pipe.fds_rw[0], &pipe_event) < 0)
         {
-            ::close(epollfd);
+            int err = ::close(epollfd);
+            chassert(!err || errno == EINTR);
+
             throwFromErrno("Cannot insert socket into epoll queue", ErrorCodes::SYSTEM_ERROR);
         }
 #endif
@@ -198,7 +203,8 @@ struct SocketInterruptablePollWrapper
 #if defined(POCO_HAVE_FD_EPOLL)
     ~SocketInterruptablePollWrapper()
     {
-        ::close(epollfd);
+        int err = ::close(epollfd);
+        chassert(!err || errno == EINTR);
     }
 #endif
 };

src/Storages/FileLog/DirectoryWatcherBase.cpp

@@ -2,6 +2,7 @@
 #include <Storages/FileLog/DirectoryWatcherBase.h>
 #include <Storages/FileLog/FileLogDirectoryWatcher.h>
 #include <Storages/FileLog/StorageFileLog.h>
+#include <base/defines.h>
 
 #include <filesystem>
 #include <unistd.h>
@@ -129,7 +130,8 @@ void DirectoryWatcherBase::watchFunc()
 DirectoryWatcherBase::~DirectoryWatcherBase()
 {
     stop();
-    close(fd);
+    int err = ::close(fd);
+    chassert(!err || errno == EINTR);
 }
 
 void DirectoryWatcherBase::start()

src/Storages/MergeTree/IMergeTreeReader.cpp

@@ -205,11 +205,11 @@ void IMergeTreeReader::performRequiredConversions(Columns & res_columns) const
     }
 }
 
-IMergeTreeReader::ColumnPosition IMergeTreeReader::findColumnForOffsets(const NameAndTypePair & required_column) const
+IMergeTreeReader::ColumnPositionLevel IMergeTreeReader::findColumnForOffsets(const NameAndTypePair & required_column) const
 {
     auto get_offsets_streams = [](const auto & serialization, const auto & name_in_storage)
     {
-        Names offsets_streams;
+        std::vector<std::pair<String, size_t>> offsets_streams;
         serialization->enumerateStreams([&](const auto & subpath)
         {
             if (subpath.empty() || subpath.back().type != ISerialization::Substream::ArraySizes)
@@ -217,7 +217,7 @@ IMergeTreeReader::ColumnPosition IMergeTreeReader::findColumnForOffsets(const Na
 
             auto subname = ISerialization::getSubcolumnNameForStream(subpath);
             auto full_name = Nested::concatenateName(name_in_storage, subname);
-            offsets_streams.push_back(full_name);
+            offsets_streams.emplace_back(full_name, ISerialization::getArrayLevel(subpath));
         });
 
         return offsets_streams;
@@ -227,7 +227,7 @@ IMergeTreeReader::ColumnPosition IMergeTreeReader::findColumnForOffsets(const Na
     auto required_offsets_streams = get_offsets_streams(getSerializationInPart(required_column), required_name_in_storage);
 
     size_t max_matched_streams = 0;
-    ColumnPosition position;
+    ColumnPositionLevel position_level;
 
     /// Find column that has maximal number of matching
     /// offsets columns with required_column.
@@ -238,23 +238,26 @@ IMergeTreeReader::ColumnPosition IMergeTreeReader::findColumnForOffsets(const Na
             continue;
 
         auto offsets_streams = get_offsets_streams(data_part_info_for_read->getSerialization(part_column), name_in_storage);
-        NameSet offsets_streams_set(offsets_streams.begin(), offsets_streams.end());
+        NameToIndexMap offsets_streams_map(offsets_streams.begin(), offsets_streams.end());
 
         size_t i = 0;
+        auto it = offsets_streams_map.end();
         for (; i < required_offsets_streams.size(); ++i)
         {
-            if (!offsets_streams_set.contains(required_offsets_streams[i]))
+            auto current_it = offsets_streams_map.find(required_offsets_streams[i].first);
+            if (current_it == offsets_streams_map.end())
                 break;
+            it = current_it;
         }
 
-        if (i && (!position || i > max_matched_streams))
+        if (i && (!position_level || i > max_matched_streams))
         {
             max_matched_streams = i;
-            position = data_part_info_for_read->getColumnPosition(part_column.name);
+            position_level.emplace(*data_part_info_for_read->getColumnPosition(part_column.name), it->second);
         }
     }
 
-    return position;
+    return position_level;
 }
 
 void IMergeTreeReader::checkNumberOfColumns(size_t num_columns_to_read) const

src/Storages/MergeTree/IMergeTreeReader.h

@@ -91,8 +91,12 @@ protected:
     StorageMetadataPtr metadata_snapshot;
     MarkRanges all_mark_ranges;
 
-    using ColumnPosition = std::optional<size_t>;
-    ColumnPosition findColumnForOffsets(const NameAndTypePair & column) const;
+    /// Position and level (of nesting).
+    using ColumnPositionLevel = std::optional<std::pair<size_t, size_t>>;
+    /// In case of part of the nested column does not exists, offsets should be
+    /// read, but only the offsets for the current column, that is why it
+    /// returns pair of size_t, not just one.
+    ColumnPositionLevel findColumnForOffsets(const NameAndTypePair & column) const;
 
     NameSet partially_read_columns;
 

src/Storages/MergeTree/MergeTreeReaderCompact.cpp

@@ -141,14 +141,17 @@ void MergeTreeReaderCompact::fillColumnPositions()
         {
             /// If array of Nested column is missing in part,
             /// we have to read its offsets if they exist.
-            position = findColumnForOffsets(column_to_read);
-            read_only_offsets[i] = (position != std::nullopt);
-        }
-
-        column_positions[i] = std::move(position);
-        if (read_only_offsets[i])
+            auto position_level = findColumnForOffsets(column_to_read);
+            if (position_level.has_value())
+            {
+                column_positions[i].emplace(position_level->first);
+                read_only_offsets[i].emplace(position_level->second);
                 partially_read_columns.insert(column_to_read.name);
             }
+        }
+        else
+            column_positions[i] = std::move(position);
+    }
 }
 
 size_t MergeTreeReaderCompact::readRows(
@@ -217,7 +220,8 @@ size_t MergeTreeReaderCompact::readRows(
 
 void MergeTreeReaderCompact::readData(
     const NameAndTypePair & name_and_type, ColumnPtr & column,
-    size_t from_mark, size_t current_task_last_mark, size_t column_position, size_t rows_to_read, bool only_offsets)
+    size_t from_mark, size_t current_task_last_mark, size_t column_position, size_t rows_to_read,
+    std::optional<size_t> only_offsets_level)
 {
     const auto & [name, type] = name_and_type;
 
@@ -228,10 +232,35 @@ void MergeTreeReaderCompact::readData(
 
     auto buffer_getter = [&](const ISerialization::SubstreamPath & substream_path) -> ReadBuffer *
     {
+        /// Offset stream from another column could be read, in case of current
+        /// column does not exists (see findColumnForOffsets() in
+        /// MergeTreeReaderCompact::fillColumnPositions())
         bool is_offsets = !substream_path.empty() && substream_path.back().type == ISerialization::Substream::ArraySizes;
-        if (only_offsets && !is_offsets)
+        if (only_offsets_level.has_value())
+        {
+            if (!is_offsets)
                 return nullptr;
 
+            /// Offset stream can be read only from columns of current level or
+            /// below (since it is OK to read all parent streams from the
+            /// alternative).
+            ///
+            /// Consider the following columns in nested "root":
+            /// - root.array Array(UInt8) - exists
+            /// - root.nested_array Array(Array(UInt8)) - does not exists (only_offsets_level=1)
+            ///
+            /// For root.nested_array it will try to read multiple streams:
+            /// - offsets (substream_path = {ArraySizes})
+            ///   OK
+            /// - root.nested_array elements (substream_path = {ArrayElements, ArraySizes})
+            ///   NOT OK - cannot use root.array offsets stream for this
+            ///
+            /// Here only_offsets_level is the level of the alternative stream,
+            /// and substream_path.size() is the level of the current stream.
+            if (only_offsets_level.value() < ISerialization::getArrayLevel(substream_path))
+                return nullptr;
+        }
+
         return data_buffer;
     };
 
@@ -267,7 +296,7 @@ void MergeTreeReaderCompact::readData(
     }
 
     /// The buffer is left in inconsistent state after reading single offsets
-    if (only_offsets)
+    if (only_offsets_level.has_value())
         last_read_granule.reset();
     else
         last_read_granule.emplace(from_mark, column_position);

src/Storages/MergeTree/MergeTreeReaderCompact.h

@@ -50,10 +50,11 @@ private:
     MergeTreeMarksLoader marks_loader;
 
     /// Positions of columns in part structure.
-    using ColumnPositions = std::vector<ColumnPosition>;
+    using ColumnPositions = std::vector<std::optional<size_t>>;
     ColumnPositions column_positions;
-    /// Should we read full column or only it's offsets
-    std::vector<bool> read_only_offsets;
+    /// Should we read full column or only it's offsets.
+    /// Element of the vector is the level of the alternative stream.
+    std::vector<std::optional<size_t>> read_only_offsets;
 
     /// For asynchronous reading from remote fs. Same meaning as in MergeTreeReaderStream.
     std::optional<size_t> last_right_offset;
@@ -64,7 +65,8 @@ private:
     void seekToMark(size_t row_index, size_t column_index);
 
     void readData(const NameAndTypePair & name_and_type, ColumnPtr & column, size_t from_mark,
-        size_t current_task_last_mark, size_t column_position, size_t rows_to_read, bool only_offsets);
+        size_t current_task_last_mark, size_t column_position, size_t rows_to_read,
+        std::optional<size_t> only_offsets_level);
 
     /// Returns maximal value of granule size in compressed file from @mark_ranges.
     /// This value is used as size of read buffer.

src/Storages/MergeTree/MergeTreeReaderInMemory.cpp

@@ -42,7 +42,7 @@ MergeTreeReaderInMemory::MergeTreeReaderInMemory(
         {
             if (auto offsets_position = findColumnForOffsets(column_to_read))
             {
-                positions_for_offsets[column_to_read.name] = *offsets_position;
+                positions_for_offsets[column_to_read.name] = offsets_position->first;
                 partially_read_columns.insert(column_to_read.name);
             }
         }

src/TableFunctions/TableFunctionFile.cpp

@@ -17,7 +17,6 @@ namespace DB
 
 namespace ErrorCodes
 {
-    extern const int LOGICAL_ERROR;
     extern const int BAD_ARGUMENTS;
 }
 
@@ -88,7 +87,7 @@ ColumnsDescription TableFunctionFile::getActualTableStructure(ContextPtr context
     if (structure == "auto")
     {
         if (fd >= 0)
-            throw Exception(ErrorCodes::LOGICAL_ERROR, "Schema inference is not supported for table function '{}' with file descriptor", getName());
+            throw Exception(ErrorCodes::BAD_ARGUMENTS, "Schema inference is not supported for table function '{}' with file descriptor", getName());
         size_t total_bytes_to_read = 0;
         Strings paths = StorageFile::getPathsList(filename, context->getUserFilesPath(), context, total_bytes_to_read);
         return StorageFile::getTableStructureFromFile(format, paths, compression_method, std::nullopt, context);

src/TableFunctions/TableFunctionS3Cluster.cpp

@@ -46,7 +46,7 @@ void TableFunctionS3Cluster::parseArguments(const ASTPtr & ast_function, Context
     ASTs & args = args_func.at(0)->children;
 
     for (auto & arg : args)
-        arg = evaluateConstantExpressionAsLiteral(arg, context);
+        arg = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);
 
     constexpr auto fmt_string = "The signature of table function {} could be the following:\n"
                                 " - cluster, url\n"

src/configure_config.cmake

@@ -109,6 +109,9 @@ endif()
 if (TARGET ch_contrib::jemalloc)
     set(USE_JEMALLOC 1)
 endif()
+if (TARGET ch_contrib::gwp_asan)
+    set(USE_GWP_ASAN 1)
+endif()
 if (TARGET ch_contrib::h3)
     set(USE_H3 1)
 endif()

tests/ci/merge_pr.py

@@ -56,6 +56,13 @@ class Reviews:
             logging.info("There aren't reviews for PR #%s", self.pr.number)
             return False
 
+        logging.info(
+            "The following users have reviewed the PR:\n  %s",
+            "\n  ".join(
+                f"{user.login}: {review.state}" for user, review in self.reviews.items()
+            ),
+        )
+
         filtered_reviews = {
             user: review
             for user, review in self.reviews.items()
@@ -125,7 +132,11 @@ class Reviews:
                 return False
             return True
 
-        logging.info("The PR #%s is not approved", self.pr.number)
+        logging.info(
+            "The PR #%s is not approved by any of %s team member",
+            self.pr.number,
+            TEAM_NAME,
+        )
         return False
 
 

tests/config/config.d/reverse_dns_query_function.xml

@@ -0,0 +1,3 @@
+<clickhouse>
+    <allow_reverse_dns_query_function>1</allow_reverse_dns_query_function>
+</clickhouse>

tests/config/install.sh

@@ -52,6 +52,7 @@ ln -sf $SRC_PATH/config.d/enable_zero_copy_replication.xml $DEST_SERVER_PATH/con
 ln -sf $SRC_PATH/config.d/nlp.xml $DEST_SERVER_PATH/config.d/
 ln -sf $SRC_PATH/config.d/enable_keeper_map.xml $DEST_SERVER_PATH/config.d/
 ln -sf $SRC_PATH/config.d/display_name.xml $DEST_SERVER_PATH/config.d/
+ln -sf $SRC_PATH/config.d/reverse_dns_query_function.xml $DEST_SERVER_PATH/config.d/
 ln -sf $SRC_PATH/config.d/compressed_marks_and_index.xml $DEST_SERVER_PATH/config.d/
 
 # Not supported with fasttest.

tests/integration/test_backup_restore_new/test.py

@@ -1331,23 +1331,16 @@ def test_tables_dependency():
     instance.query("CREATE DATABASE test2")
 
     # For this test we use random names of tables to check they're created according to their dependency (not just in alphabetic order).
-    random_table_names = [f"{chr(ord('A')+i)}" for i in range(0, 10)]
+    random_table_names = [f"{chr(ord('A')+i)}" for i in range(0, 15)]
     random.shuffle(random_table_names)
     random_table_names = [
         random.choice(["test", "test2"]) + "." + table_name
         for table_name in random_table_names
     ]
     print(f"random_table_names={random_table_names}")
-
-    t1 = random_table_names[0]
-    t2 = random_table_names[1]
-    t3 = random_table_names[2]
-    t4 = random_table_names[3]
-    t5 = random_table_names[4]
-    t6 = random_table_names[5]
-    t7 = random_table_names[6]
-    t8 = random_table_names[7]
-    t9 = random_table_names[8]
+    t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15 = tuple(
+        random_table_names
+    )
 
     # Create a materialized view and a dictionary with a local table as source.
     instance.query(
@@ -1373,11 +1366,34 @@ def test_tables_dependency():
     instance.query(f"CREATE VIEW {t7} AS SELECT sum(x) FROM (SELECT x FROM {t6})")
 
     instance.query(
-        f"CREATE TABLE {t8} AS {t2} ENGINE = Buffer({t2.split('.')[0]}, {t2.split('.')[1]}, 16, 10, 100, 10000, 1000000, 10000000, 100000000)"
+        f"CREATE DICTIONARY {t8} (x Int64, y String) PRIMARY KEY x SOURCE(CLICKHOUSE(TABLE '{t1.split('.')[1]}' DB '{t1.split('.')[0]}')) LAYOUT(FLAT()) LIFETIME(9)"
+    )
+
+    instance.query(f"CREATE TABLE {t9}(a Int64) ENGINE=Log")
+
+    instance.query(
+        f"CREATE VIEW {t10}(x Int64, y String) AS SELECT * FROM {t1} WHERE x IN {t9}"
     )
 
     instance.query(
-        f"CREATE DICTIONARY {t9} (x Int64, y String) PRIMARY KEY x SOURCE(CLICKHOUSE(TABLE '{t1.split('.')[1]}' DB '{t1.split('.')[0]}')) LAYOUT(FLAT()) LIFETIME(9)"
+        f"CREATE VIEW {t11}(x Int64, y String) AS SELECT * FROM {t2} WHERE x NOT IN (SELECT a FROM {t9})"
+    )
+
+    instance.query(
+        f"CREATE TABLE {t12} AS {t1} ENGINE = Buffer({t2.split('.')[0]}, {t2.split('.')[1]}, 16, 10, 100, 10000, 1000000, 10000000, 100000000)"
+    )
+
+    instance.query(
+        f"CREATE TABLE {t13} AS {t1} ENGINE = Buffer((SELECT '{t2.split('.')[0]}'), (SELECT '{t2.split('.')[1]}'), 16, 10, 100, 10000, 1000000, 10000000, 100000000)"
+    )
+
+    instance.query(
+        f"CREATE TABLE {t14} AS {t1} ENGINE = Buffer('', {t2.split('.')[1]}, 16, 10, 100, 10000, 1000000, 10000000, 100000000)",
+        database=t2.split(".")[0],
+    )
+
+    instance.query(
+        f"CREATE TABLE {t15} AS {t1} ENGINE = Buffer('', '', 16, 10, 100, 10000, 1000000, 10000000, 100000000)"
     )
 
     # Make backup.
@@ -1386,8 +1402,14 @@ def test_tables_dependency():
 
     # Drop everything in reversive order.
     def drop():
-        instance.query(f"DROP DICTIONARY {t9}")
-        instance.query(f"DROP TABLE {t8} NO DELAY")
+        instance.query(f"DROP TABLE {t15} NO DELAY")
+        instance.query(f"DROP TABLE {t14} NO DELAY")
+        instance.query(f"DROP TABLE {t13} NO DELAY")
+        instance.query(f"DROP TABLE {t12} NO DELAY")
+        instance.query(f"DROP TABLE {t11} NO DELAY")
+        instance.query(f"DROP TABLE {t10} NO DELAY")
+        instance.query(f"DROP TABLE {t9} NO DELAY")
+        instance.query(f"DROP DICTIONARY {t8}")
         instance.query(f"DROP TABLE {t7} NO DELAY")
         instance.query(f"DROP TABLE {t6} NO DELAY")
         instance.query(f"DROP TABLE {t5} NO DELAY")
@@ -1406,7 +1428,7 @@ def test_tables_dependency():
     # Check everything is restored.
     assert instance.query(
         "SELECT concat(database, '.', name) AS c FROM system.tables WHERE database IN ['test', 'test2'] ORDER BY c"
-    ) == TSV(sorted([t1, t2, t3, t4, t5, t6, t7, t8, t9]))
+    ) == TSV(sorted(random_table_names))
 
     # Check logs.
     instance.query("SYSTEM FLUSH LOGS")
@@ -1421,8 +1443,20 @@ def test_tables_dependency():
         f"Table {t5} has 1 dependencies: {t4} (level 2)",
         f"Table {t6} has 1 dependencies: {t4} (level 2)",
         f"Table {t7} has 1 dependencies: {t6} (level 3)",
-        f"Table {t8} has 1 dependencies: {t2} (level 1)",
-        f"Table {t9} has 1 dependencies: {t1} (level 1)",
+        f"Table {t8} has 1 dependencies: {t1} (level 1)",
+        f"Table {t9} has no dependencies (level 0)",
+        (
+            f"Table {t10} has 2 dependencies: {t1}, {t9} (level 1)",
+            f"Table {t10} has 2 dependencies: {t9}, {t1} (level 1)",
+        ),
+        (
+            f"Table {t11} has 2 dependencies: {t2}, {t9} (level 1)",
+            f"Table {t11} has 2 dependencies: {t9}, {t2} (level 1)",
+        ),
+        f"Table {t12} has 1 dependencies: {t2} (level 1)",
+        f"Table {t13} has 1 dependencies: {t2} (level 1)",
+        f"Table {t14} has 1 dependencies: {t2} (level 1)",
+        f"Table {t15} has no dependencies (level 0)",
     ]
     for expect in expect_in_logs:
         assert any(

tests/integration/test_config_xml_yaml_mix/configs/config.d/mark_cache_size.yaml

@@ -0,0 +1,2 @@
+mark_cache_size:
+  '@from_env': CONFIG_TEST_ENV

tests/integration/test_config_xml_yaml_mix/configs/config.xml

@@ -271,4 +271,6 @@
         <anonymize>false</anonymize>
         <endpoint>https://6f33034cfe684dd7a3ab9875e57b1c8d@o388870.ingest.sentry.io/5226277</endpoint>
     </send_crash_reports>
+
+    <mark_cache_size>123451234</mark_cache_size>
 </clickhouse>

tests/integration/test_config_xml_yaml_mix/test.py

@@ -21,6 +21,7 @@ def test_extra_yaml_mix():
         "configs/config.d/logging_no_rotate.xml",
         "configs/config.d/log_to_console.yaml",
         "configs/config.d/macros.yaml",
+        "configs/config.d/mark_cache_size.yaml",
         "configs/config.d/metric_log.xml",
         "configs/config.d/more_clusters.yaml",
         "configs/config.d/part_log.xml",
@@ -46,6 +47,7 @@ def test_extra_yaml_mix():
         users_config_name="users.yaml",
         copy_common_configs=False,
         config_root_name="clickhouse",
+        env_variables={"CONFIG_TEST_ENV": "8956"},
     )
 
     try:

tests/integration/test_reverse_dns_query/configs/config.xml

@@ -0,0 +1,3 @@
+<clickhouse>
+    <disable_internal_dns_cache>1</disable_internal_dns_cache>
+</clickhouse>

tests/integration/test_reverse_dns_query/configs/listen_host.xml

@@ -0,0 +1,5 @@
+<yandex>
+    <listen_host>::</listen_host>
+    <listen_host>0.0.0.0</listen_host>
+    <listen_try>1</listen_try>
+</yandex>

tests/integration/test_reverse_dns_query/configs/reverse_dns_function.xml

@@ -0,0 +1,3 @@
+<clickhouse>
+    <allow_reverse_dns_query_function>1</allow_reverse_dns_query_function>
+</clickhouse>

tests/integration/test_reverse_dns_query/coredns_config/Corefile

@@ -0,0 +1,4 @@
+. {
+    forward . 127.0.0.11
+    log
+}

tests/integration/test_reverse_dns_query/test.py

@@ -0,0 +1,50 @@
+import pytest
+from helpers.cluster import ClickHouseCluster, get_docker_compose_path, run_and_check
+from time import sleep
+import os
+
+DOCKER_COMPOSE_PATH = get_docker_compose_path()
+SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
+
+cluster = ClickHouseCluster(__file__)
+
+ch_server = cluster.add_instance(
+    "clickhouse-server",
+    with_coredns=True,
+    main_configs=[
+        "configs/config.xml",
+        "configs/reverse_dns_function.xml",
+        "configs/listen_host.xml",
+    ],
+)
+
+
+@pytest.fixture(scope="module")
+def started_cluster():
+    global cluster
+    try:
+        cluster.start()
+        yield cluster
+
+    finally:
+        cluster.shutdown()
+
+
+def setup_ch_server(dns_server_ip):
+    ch_server.exec_in_container(
+        (["bash", "-c", f"echo 'nameserver {dns_server_ip}' > /etc/resolv.conf"])
+    )
+    ch_server.exec_in_container(
+        (["bash", "-c", "echo 'options ndots:0' >> /etc/resolv.conf"])
+    )
+    ch_server.query("SYSTEM DROP DNS CACHE")
+
+
+def test_reverse_dns_query(started_cluster):
+    dns_server_ip = cluster.get_instance_ip(cluster.coredns_host)
+
+    setup_ch_server(dns_server_ip)
+
+    for _ in range(0, 200):
+        response = ch_server.query("select reverseDNSQuery('2001:4860:4860::8888')")
+        assert response == "['dns.google']\n"

tests/queries/0_stateless/01164_detach_attach_partition_race.sh

@@ -28,7 +28,7 @@ function thread_detach_attach()
 function thread_drop_detached()
 {
     while true; do
-        $CLICKHOUSE_CLIENT --allow_drop_detached -q "alter table mt drop detached partition id 'all'";
+        $CLICKHOUSE_CLIENT --allow_drop_detached 1 -q "alter table mt drop detached partition id 'all'";
     done
 }
 

tests/queries/0_stateless/01513_optimize_aggregation_in_order_memory_long.sql

@@ -1,4 +1,5 @@
--- Tags: long
+-- Tags: long, no-random-merge-tree-settings
+-- FIXME no-random-merge-tree-settings requires investigation
 
 drop table if exists data_01513;
 create table data_01513 (key String) engine=MergeTree() order by key;

tests/queries/0_stateless/01778_mmap_cache_infra.reference

@@ -2,5 +2,7 @@ CreatedReadBufferMMap
 CreatedReadBufferMMapFailed
 MMappedFileCacheHits
 MMappedFileCacheMisses
+MMappedAllocBytes
+MMappedAllocs
 MMappedFileBytes
 MMappedFiles

tests/queries/0_stateless/01940_pad_string.reference

@@ -1,49 +1,49 @@
 leftPad
 	
-a
-ab
-abc
- abc
-  abc
-       abc
-ab
-*abc
-**abc
-*******abc
-ab
-*abc
-*.abc
-*.*.*.*abc
+a	a
+ab	ab
+abc	abc
+ abc	 abc
+  abc	  abc
+       abc	       abc
+ab	ab
+*abc	*abc
+**abc	**abc
+*******abc	*******abc
+ab	ab
+*abc	*abc
+*.abc	*.abc
+*.*.*.*abc	*.*.*.*abc
 leftPadUTF8
-а
-аб
-аб
-абвг
-ЧАабвг
-ЧАСЧАСЧАабвг
+а	а
+аб	аб
+аб	аб
+абвг	абвг
+ЧАабвг	ЧАабвг
+ЧАСЧАСЧАабвг	ЧАСЧАСЧАабвг
 rightPad
 	
-a
-ab
-abc
-abc 
-abc  
-abc       
-ab
-abc*
-abc**
-abc*******
-ab
-abc*
-abc*.
-abc*.*.*.*
+a	a
+ab	ab
+abc	abc
+abc 	abc 
+abc  	abc  
+abc       	abc       
+ab	ab
+abc*	abc*
+abc**	abc**
+abc*******	abc*******
+ab	ab
+abc*	abc*
+abc*.	abc*.
+abc*.*.*.*	abc*.*.*.*
 rightPadUTF8
-а
-аб
-аб
-абвг
-абвгЧА
-абвгЧАСЧАСЧА
+а	а
+аб	аб
+аб	аб
+абвг	абвг
+абвгЧА	абвгЧА
+абвгЧАСЧАСЧА	абвгЧАСЧАСЧА
 numbers
 
 1^
@@ -52,3 +52,10 @@ __3^^^
 ___4^^^^
 ____5^^^^^
 _____6^^^^^^
+
+1^
+_2^^
+__3^^^
+___4^^^^
+____5^^^^^
+_____6^^^^^^

tests/queries/0_stateless/01940_pad_string.sql

@@ -1,54 +1,55 @@
 SELECT 'leftPad';
-SELECT leftPad('abc', 0);
-SELECT leftPad('abc', 1);
-SELECT leftPad('abc', 2);
-SELECT leftPad('abc', 3);
-SELECT leftPad('abc', 4);
-SELECT leftPad('abc', 5);
-SELECT leftPad('abc', 10);
+SELECT leftPad('abc', 0), leftPad('abc', 0::Int32);
+SELECT leftPad('abc', 1), leftPad('abc', 1::Int32);
+SELECT leftPad('abc', 2), leftPad('abc', 2::Int32);
+SELECT leftPad('abc', 3), leftPad('abc', 3::Int32);
+SELECT leftPad('abc', 4), leftPad('abc', 4::Int32);
+SELECT leftPad('abc', 5), leftPad('abc', 5::Int32);
+SELECT leftPad('abc', 10), leftPad('abc', 10::Int32);
 
-SELECT leftPad('abc', 2, '*');
-SELECT leftPad('abc', 4, '*');
-SELECT leftPad('abc', 5, '*');
-SELECT leftPad('abc', 10, '*');
-SELECT leftPad('abc', 2, '*.');
-SELECT leftPad('abc', 4, '*.');
-SELECT leftPad('abc', 5, '*.');
-SELECT leftPad('abc', 10, '*.');
+SELECT leftPad('abc', 2, '*'),  leftPad('abc', 2::Int32, '*');
+SELECT leftPad('abc', 4, '*'),  leftPad('abc', 4::Int32, '*');
+SELECT leftPad('abc', 5, '*'),  leftPad('abc', 5::Int32, '*');
+SELECT leftPad('abc', 10, '*'), leftPad('abc', 10::Int32, '*');
+SELECT leftPad('abc', 2, '*.'), leftPad('abc', 2::Int32, '*.');
+SELECT leftPad('abc', 4, '*.'), leftPad('abc', 4::Int32, '*.');
+SELECT leftPad('abc', 5, '*.'), leftPad('abc', 5::Int32, '*.');
+SELECT leftPad('abc', 10, '*.'),leftPad('abc', 10::Int32, '*.');
 
 SELECT 'leftPadUTF8';
-SELECT leftPad('абвг', 2);
-SELECT leftPadUTF8('абвг', 2);
-SELECT leftPad('абвг', 4);
-SELECT leftPadUTF8('абвг', 4);
-SELECT leftPad('абвг', 12, 'ЧАС');
-SELECT leftPadUTF8('абвг', 12, 'ЧАС');
+SELECT leftPad('абвг', 2), leftPad('абвг', 2::Int32);
+SELECT leftPadUTF8('абвг', 2), leftPadUTF8('абвг', 2::Int32);
+SELECT leftPad('абвг', 4), leftPad('абвг', 4::Int32);
+SELECT leftPadUTF8('абвг', 4), leftPadUTF8('абвг', 4::Int32);
+SELECT leftPad('абвг', 12, 'ЧАС'), leftPad('абвг', 12::Int32, 'ЧАС');
+SELECT leftPadUTF8('абвг', 12, 'ЧАС'), leftPadUTF8('абвг', 12::Int32, 'ЧАС');
 
 SELECT 'rightPad';
-SELECT rightPad('abc', 0);
-SELECT rightPad('abc', 1);
-SELECT rightPad('abc', 2);
-SELECT rightPad('abc', 3);
-SELECT rightPad('abc', 4);
-SELECT rightPad('abc', 5);
-SELECT rightPad('abc', 10);
+SELECT rightPad('abc', 0), rightPad('abc', 0::Int32);
+SELECT rightPad('abc', 1), rightPad('abc', 1::Int32);
+SELECT rightPad('abc', 2), rightPad('abc', 2::Int32);
+SELECT rightPad('abc', 3), rightPad('abc', 3::Int32);
+SELECT rightPad('abc', 4), rightPad('abc', 4::Int32);
+SELECT rightPad('abc', 5), rightPad('abc', 5::Int32);
+SELECT rightPad('abc', 10), rightPad('abc', 10::Int32);
 
-SELECT rightPad('abc', 2, '*');
-SELECT rightPad('abc', 4, '*');
-SELECT rightPad('abc', 5, '*');
-SELECT rightPad('abc', 10, '*');
-SELECT rightPad('abc', 2, '*.');
-SELECT rightPad('abc', 4, '*.');
-SELECT rightPad('abc', 5, '*.');
-SELECT rightPad('abc', 10, '*.');
+SELECT rightPad('abc', 2, '*'), rightPad('abc', 2::Int32, '*');
+SELECT rightPad('abc', 4, '*'), rightPad('abc', 4::Int32, '*');
+SELECT rightPad('abc', 5, '*'), rightPad('abc', 5::Int32, '*');
+SELECT rightPad('abc', 10, '*'), rightPad('abc', 10::Int32, '*');
+SELECT rightPad('abc', 2, '*.'), rightPad('abc', 2::Int32, '*.');
+SELECT rightPad('abc', 4, '*.'), rightPad('abc', 4::Int32, '*.');
+SELECT rightPad('abc', 5, '*.'), rightPad('abc', 5::Int32, '*.');
+SELECT rightPad('abc', 10, '*.'), rightPad('abc', 10::Int32, '*.');
 
 SELECT 'rightPadUTF8';
-SELECT rightPad('абвг', 2);
-SELECT rightPadUTF8('абвг', 2);
-SELECT rightPad('абвг', 4);
-SELECT rightPadUTF8('абвг', 4);
-SELECT rightPad('абвг', 12, 'ЧАС');
-SELECT rightPadUTF8('абвг', 12, 'ЧАС');
+SELECT rightPad('абвг', 2), rightPad('абвг', 2::Int32);
+SELECT rightPadUTF8('абвг', 2), rightPadUTF8('абвг', 2::Int32);
+SELECT rightPad('абвг', 4), rightPad('абвг', 4::Int32);
+SELECT rightPadUTF8('абвг', 4), rightPadUTF8('абвг', 4::Int32);
+SELECT rightPad('абвг', 12, 'ЧАС'), rightPad('абвг', 12::Int32, 'ЧАС');
+SELECT rightPadUTF8('абвг', 12, 'ЧАС'), rightPadUTF8('абвг', 12::Int32, 'ЧАС');
 
 SELECT 'numbers';
 SELECT rightPad(leftPad(toString(number), number, '_'), number*2, '^') FROM numbers(7);
+SELECT rightPad(leftPad(toString(number), number::Int64, '_'), number::Int64*2, '^') FROM numbers(7);

tests/queries/0_stateless/02103_tsv_csv_custom_null_representation.reference

@@ -1,76 +1,76 @@
 TSV
-\N
-\N
-Some text
-\N
-Some text
-\N
-Some more text
-\N
-\N
-Some more text
-1	Some text	1
-1	\N	1
-CustomNullSome text
-CustomNullSome text
-\N
-Some more text
-\N
-\N
-Some more text
-1	\N	1
-1	\N	1
+{"s":null}
+{"s":null}
+{"s":"Some text"}
+{"s":null}
+{"s":"Some text"}
+{"s":null}
+{"s":"Some more text"}
+{"s":null}
+{"s":null}
+{"s":"Some more text"}
+{"x":1,"s":"Some text","y":1}
+{"x":1,"s":null,"y":1}
+{"s":"CustomNullSome text"}
+{"s":"CustomNullSome text"}
+{"s":null}
+{"s":"Some more text"}
+{"s":null}
+{"s":null}
+{"s":"Some more text"}
+{"x":1,"s":null,"y":1}
+{"x":1,"s":null,"y":1}
 CSV
-\N
-\N
-\\NSome text
-\N
-\\NSome text
-\N
-Some more text
-\N
-\N
-Some more text
-1	\\NSome text	1
-1	\N	1
-CustomNullSome text
-CustomNullSome text
-\N
-Some more text
-\N
-\N
-Some more text
-1	\N	1
-1	\N	1
+{"s":null}
+{"s":null}
+{"s":"\\NSome text"}
+{"s":null}
+{"s":"\\NSome text"}
+{"s":null}
+{"s":"Some more text"}
+{"s":null}
+{"s":null}
+{"s":"Some more text"}
+{"x":1,"s":"\\NSome text","y":1}
+{"x":1,"s":null,"y":1}
+{"s":"CustomNullSome text"}
+{"s":"CustomNullSome text"}
+{"s":null}
+{"s":"Some more text"}
+{"s":null}
+{"s":null}
+{"s":"Some more text"}
+{"x":1,"s":null,"y":1}
+{"x":1,"s":null,"y":1}
 Corner cases
 TSV
-Some text	\N
-Some text	CustomNull Some text
+{"s":"Some text","n":null}
+{"s":"Some text","n":"CustomNull Some text"}
 OK
 OK
 CSV
-Some text	\N
-Some text	CustomNull Some text
+{"s":"Some text","n":null}
+{"s":"Some text","n":"CustomNull Some text"}
 OK
 OK
 Large custom NULL
-\N
-\N
-\N
-\N
-\N
-\N
-\N
-\N
-\N
-\N
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
-0000000000Custom NULL representation0000000000
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":null}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}
+{"s":"0000000000Custom NULL representation0000000000"}

tests/queries/0_stateless/02103_tsv_csv_custom_null_representation.sh

@@ -5,129 +5,133 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 # shellcheck source=../shell_config.sh
 . "$CURDIR"/../shell_config.sh
 
-USER_FILES_PATH=$(clickhouse-client --query "select _path,_file from file('nonexist.txt', 'CSV', 'val1 char')" 2>&1 | grep Exception | awk '{gsub("/nonexist.txt","",$9); print $9}')
+DATA_FILE=$CLICKHOUSE_TMP/test_02103_null.data
 
-DATA_FILE=$USER_FILES_PATH/test_02103_null.data
+# Wrapper for clickhouse-client to always output in JSONEachRow format, that
+# way format settings will not affect output.
+function clickhouse_local()
+{
+    $CLICKHOUSE_LOCAL --output-format JSONEachRow "$@"
+}
 
 echo "TSV"
 
 echo 'Custom NULL representation' > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='Custom NULL representation'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='Custom NULL representation'"
 
 echo -e 'N\tU\tL\tL' > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='N\tU\tL\tL'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='N\tU\tL\tL'"
 
 echo -e "\\NSome text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)')"
 
 echo -e "\\N" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)')"
 
 echo -e "\\NSome text\n\\N\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)')"
 
 echo -e "\\N\n\\N\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)')"
 
 echo -e "1\t\\NSome text\t1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 'x Int32, s Nullable(String), y Int32')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'x Int32, s Nullable(String), y Int32')"
 
 echo -e "1\t\\N\t1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 'x Int32, s Nullable(String), y Int32')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'x Int32, s Nullable(String), y Int32')"
 
 echo -e "CustomNullSome text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
 
 echo -e "CustomNullSome text\nCustomNull\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
 
 echo -e "CustomNull\nCustomNull\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS format_tsv_null_representation='CustomNull'"
 
 echo -e "1\tCustomNull\t1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_tsv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_tsv_null_representation='CustomNull'"
 
 echo -e "1\tCustomNull\t1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_tsv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_tsv_null_representation='CustomNull'"
 
 
 echo "CSV"
 
 echo 'Custom NULL representation' > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='Custom NULL representation'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='Custom NULL representation'"
 
 echo -e 'N,U,L,L' > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='N,U,L,L'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='N,U,L,L'"
 
 echo -e "\\NSome text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)')"
 
 echo -e "\\N" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)')"
 
 echo -e "\\NSome text\n\\N\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)')"
 
 echo -e "\\N\n\\N\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)')"
 
 echo -e "1,\\NSome text,1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 'x Int32, s Nullable(String), y Int32')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'x Int32, s Nullable(String), y Int32')"
 
 echo -e "1,\\N,1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 'x Int32, s Nullable(String), y Int32')"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'x Int32, s Nullable(String), y Int32')"
 
 echo -e "CustomNullSome text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
 
 echo -e "CustomNullSome text\nCustomNull\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
 
 echo -e "CustomNull\nCustomNull\nSome more text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's Nullable(String)') SETTINGS format_csv_null_representation='CustomNull'"
 
 echo -e "1,CustomNull,1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_csv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_csv_null_representation='CustomNull'"
 
 echo -e "1,CustomNull,1" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_csv_null_representation='CustomNull'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'x Int32, s Nullable(String), y Int32') SETTINGS format_csv_null_representation='CustomNull'"
 
 
 echo 'Corner cases'
 echo 'TSV'
 
 echo -e "Some text\tCustomNull" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_tsv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_tsv_detect_header=0"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_tsv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_tsv_detect_header=0"
 
 echo -e "Some text\tCustomNull Some text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_tsv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_tsv_detect_header=0"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_tsv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_tsv_detect_header=0"
 
 echo -e "Some text\t123NNN" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's String, n Nullable(Int32)') settings storage_file_read_method='pread', max_read_buffer_size=14, format_tsv_null_representation='123NN', input_format_parallel_parsing=0, input_format_tsv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's String, n Nullable(Int32)') settings storage_file_read_method='pread', max_read_buffer_size=14, format_tsv_null_representation='123NN', input_format_parallel_parsing=0, input_format_tsv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
 
 echo -e "Some text\tNU\tLL" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=13, format_tsv_null_representation='NU\tL', input_format_parallel_parsing=0, input_format_tsv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=13, format_tsv_null_representation='NU\tL', input_format_parallel_parsing=0, input_format_tsv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
 
 echo 'CSV'
 
 echo -e "Some text,CustomNull" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_csv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_csv_detect_header=0"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_csv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_csv_detect_header=0"
 
 echo -e "Some text,CustomNull Some text" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_csv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_csv_detect_header=0"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=15, format_csv_null_representation='CustomNull', input_format_parallel_parsing=0, input_format_csv_detect_header=0"
 
 echo -e "Some text,123NNN\n" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's String, n Nullable(Int32)') settings storage_file_read_method='pread', max_read_buffer_size=14, format_csv_null_representation='123NN', input_format_parallel_parsing=0, input_format_csv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's String, n Nullable(Int32)') settings storage_file_read_method='pread', max_read_buffer_size=14, format_csv_null_representation='123NN', input_format_parallel_parsing=0, input_format_csv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
 
 echo -e "Some text,NU,LL\n" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=13, format_csv_null_representation='NU,L', input_format_parallel_parsing=0, input_format_csv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 's String, n Nullable(String)') settings storage_file_read_method='pread', max_read_buffer_size=13, format_csv_null_representation='NU,L', input_format_parallel_parsing=0, input_format_csv_detect_header=0" 2>&1 | grep -F -q "CANNOT_READ_ALL_DATA" && echo 'OK' || echo 'FAIL'
 
 
 echo 'Large custom NULL'
 
-$CLICKHOUSE_CLIENT -q "select '0000000000Custom NULL representation0000000000' FROM numbers(10)" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS storage_file_read_method='pread', max_read_buffer_size=5, input_format_parallel_parsing=0, format_tsv_null_representation='0000000000Custom NULL representation0000000000', input_format_tsv_detect_header=0"
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('test_02103_null.data', 'TSV', 's Nullable(String)') SETTINGS storage_file_read_method='pread', max_read_buffer_size=5, input_format_parallel_parsing=0, format_tsv_null_representation='0000000000Custom NULL representation000000000', input_format_tsv_detect_header=0"
+$CLICKHOUSE_LOCAL -q "select '0000000000Custom NULL representation0000000000' FROM numbers(10)" > $DATA_FILE
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS storage_file_read_method='pread', max_read_buffer_size=5, input_format_parallel_parsing=0, format_tsv_null_representation='0000000000Custom NULL representation0000000000', input_format_tsv_detect_header=0"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 's Nullable(String)') SETTINGS storage_file_read_method='pread', max_read_buffer_size=5, input_format_parallel_parsing=0, format_tsv_null_representation='0000000000Custom NULL representation000000000', input_format_tsv_detect_header=0"
 
 rm $DATA_FILE
-

tests/queries/0_stateless/02152_bool_type_parsing.reference

@@ -1,146 +1,146 @@
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
-true
-false
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}
+{"bool":true}
+{"bool":false}

tests/queries/0_stateless/02152_bool_type_parsing.sh

@@ -5,21 +5,25 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 # shellcheck source=../shell_config.sh
 . "$CURDIR"/../shell_config.sh
 
-USER_FILES_PATH=$(clickhouse-client --query "select _path,_file from file('nonexist.txt', 'CSV', 'val1 char')" 2>&1 | grep Exception | awk '{gsub("/nonexist.txt","",$9); print $9}')
-FILE_NAME=test_02152.data
-DATA_FILE=$USER_FILES_PATH/$FILE_NAME
+DATA_FILE=$CLICKHOUSE_TMP/test_02103_null.data
+
+# Wrapper for clickhouse-client to always output in JSONEachRow format, that
+# way format settings will not affect output.
+function clickhouse_local()
+{
+    $CLICKHOUSE_LOCAL --output-format JSONEachRow "$@"
+}
 
 echo -e "Custom true\nCustom false\nYes\nNo\nyes\nno\ny\nY\nN\nTrue\nFalse\ntrue\nfalse\nt\nf\nT\nF\nOn\nOff\non\noff\nenable\ndisable\nenabled\ndisabled" > $DATA_FILE
 
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'TSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false'"
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'TSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false', input_format_parallel_parsing=0, max_read_buffer_size=2"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'TSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false', input_format_parallel_parsing=0, max_read_buffer_size=2"
 
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'CSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false'"
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'CSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false', input_format_parallel_parsing=0, max_read_buffer_size=2"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CSV', 'bool Bool') settings bool_true_representation='Custom true', bool_false_representation='Custom false', input_format_parallel_parsing=0, max_read_buffer_size=2"
 
 echo -e "'Yes'\n'No'\n'yes'\n'no'\n'y'\n'Y'\n'N'\nTrue\nFalse\ntrue\nfalse\n't'\n'f'\n'T'\n'F'\n'On'\n'Off'\n'on'\n'off'\n'enable'\n'disable'\n'enabled'\n'disabled'" > $DATA_FILE
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'CustomSeparated', 'bool Bool') settings format_custom_escaping_rule='Quoted'"
-$CLICKHOUSE_CLIENT -q "SELECT * FROM file('$FILE_NAME', 'CustomSeparated', 'bool Bool') settings format_custom_escaping_rule='Quoted', input_format_parallel_parsing=0, max_read_buffer_size=2"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CustomSeparated', 'bool Bool') settings format_custom_escaping_rule='Quoted'"
+clickhouse_local -q "SELECT * FROM file('$DATA_FILE', 'CustomSeparated', 'bool Bool') settings format_custom_escaping_rule='Quoted', input_format_parallel_parsing=0, max_read_buffer_size=2"
 
 rm $DATA_FILE
-

tests/queries/0_stateless/02293_ttest_large_samples.reference

@@ -1,2 +1,3 @@
 -0.12709	0.89887
 -1.27088	0.20377
+0

tests/queries/0_stateless/02293_ttest_large_samples.sql

@@ -50,4 +50,4 @@ FROM
         FROM system.numbers
         LIMIT 1023
     )
-); -- { serverError 36 }
+);

tests/queries/0_stateless/02294_decimal_second_errors.sql

@@ -1,6 +1,6 @@
-SELECT 1 SETTINGS max_execution_time=NaN; -- { serverError 72 }
-SELECT 1 SETTINGS max_execution_time=Infinity; -- { serverError 72 };
-SELECT 1 SETTINGS max_execution_time=-Infinity; -- { serverError 72 };
+SELECT 1 SETTINGS max_execution_time=NaN; -- { clientError 72 }
+SELECT 1 SETTINGS max_execution_time=Infinity; -- { clientError 72 };
+SELECT 1 SETTINGS max_execution_time=-Infinity; -- { clientError 72 };
 
 -- Ok values
 SELECT 1 SETTINGS max_execution_time=-0.5;

tests/queries/0_stateless/02391_dictionary_shards.reference

@@ -1,37 +0,0 @@
--- { echoOn }
-create dictionary dict (key UInt64, value UInt16) primary key key source(clickhouse(table data)) layout(sparse_hashed()) lifetime(0);
-show create dict;
-CREATE DICTIONARY default.dict\n(\n    `key` UInt64,\n    `value` UInt16\n)\nPRIMARY KEY key\nSOURCE(CLICKHOUSE(TABLE data))\nLIFETIME(MIN 0 MAX 0)\nLAYOUT(SPARSE_HASHED())
-system reload dictionary dict;
-select element_count from system.dictionaries where database = currentDatabase() and name = 'dict';
-100000
-select count() from data where dictGetUInt16('dict', 'value', key) != value;
-0
-create dictionary dict_10 (key UInt64, value UInt16) primary key key source(clickhouse(table data)) layout(sparse_hashed(shards 10)) lifetime(0);
-show create dict_10;
-CREATE DICTIONARY default.dict_10\n(\n    `key` UInt64,\n    `value` UInt16\n)\nPRIMARY KEY key\nSOURCE(CLICKHOUSE(TABLE data))\nLIFETIME(MIN 0 MAX 0)\nLAYOUT(SPARSE_HASHED(SHARDS 10))
-system reload dictionary dict_10;
-select element_count from system.dictionaries where database = currentDatabase() and name = 'dict_10';
-100000
-select count() from data where dictGetUInt16('dict_10', 'value', key) != value;
-0
-create dictionary dict_10_uint8 (key UInt8, value UInt16) primary key key source(clickhouse(table data)) layout(sparse_hashed(shards 10)) lifetime(0);
-show create dict_10_uint8;
-CREATE DICTIONARY default.dict_10_uint8\n(\n    `key` UInt8,\n    `value` UInt16\n)\nPRIMARY KEY key\nSOURCE(CLICKHOUSE(TABLE data))\nLIFETIME(MIN 0 MAX 0)\nLAYOUT(SPARSE_HASHED(SHARDS 10))
-system reload dictionary dict_10_uint8;
-select element_count from system.dictionaries where database = currentDatabase() and name = 'dict_10';
-100000
-select count() from data where dictGetUInt16('dict_10_uint8', 'value', key) != value;
-0
-create dictionary dict_10_string (key String, value UInt16) primary key key source(clickhouse(table data_string)) layout(sparse_hashed(shards 10)) lifetime(0);
-show create dict_10_string;
-CREATE DICTIONARY default.dict_10_string\n(\n    `key` String,\n    `value` UInt16\n)\nPRIMARY KEY key\nSOURCE(CLICKHOUSE(TABLE data_string))\nLIFETIME(MIN 0 MAX 0)\nLAYOUT(SPARSE_HASHED(SHARDS 10))
-system reload dictionary dict_10_string; -- { serverError CANNOT_PARSE_TEXT }
-create dictionary dict_10_incremental (key UInt64, value UInt16) primary key key source(clickhouse(table data_last_access update_field last_access)) layout(sparse_hashed(shards 10)) lifetime(0);
-system reload dictionary dict_10_incremental; -- { serverError BAD_ARGUMENTS }
-create dictionary complex_dict_10 (k1 UInt64, k2 UInt64, value UInt16) primary key k1, k2 source(clickhouse(table complex_data)) layout(complex_key_sparse_hashed(shards 10)) lifetime(0);
-system reload dictionary complex_dict_10;
-select element_count from system.dictionaries where database = currentDatabase() and name = 'complex_dict_10';
-100000
-select count() from complex_data where dictGetUInt16('complex_dict_10', 'value', (k1, k2)) != value;
-0