Merge

2024-11-21 15:12:02 +00:00 · 2015-05-28 18:00:53 +03:00 · 2015-05-28 18:00:53 +03:00 · 775812734d
commit 775812734d
parent d651c88e1b b2679d1886
60 changed files with 816 additions and 293 deletions
--- a/dbms/include/DB/Client/Connection.h
+++ b/dbms/include/DB/Client/Connection.h
@ -12,8 +12,6 @@
 #include <DB/Core/Protocol.h>
 #include <DB/Core/QueryProcessingStage.h>

-#include <DB/DataTypes/DataTypeFactory.h>
-
 #include <DB/DataStreams/IBlockInputStream.h>
 #include <DB/DataStreams/IBlockOutputStream.h>
 #include <DB/DataStreams/BlockStreamProfileInfo.h>
@ -50,7 +48,6 @@ class Connection : private boost::noncopyable
 public:
 	Connection(const String & host_, UInt16 port_, const String & default_database_,
 		const String & user_, const String & password_,
-		const DataTypeFactory & data_type_factory_,
 		const String & client_name_ = "client",
 		Protocol::Compression::Enum compression_ = Protocol::Compression::Enable,
 		Poco::Timespan connect_timeout_ = Poco::Timespan(DBMS_DEFAULT_CONNECT_TIMEOUT_SEC, 0),
@ -61,7 +58,7 @@ public:
 		host(host_), port(port_), default_database(default_database_),
 		user(user_), password(password_),
 		client_name(client_name_),
-		compression(compression_), data_type_factory(data_type_factory_),
+		compression(compression_),
 		connect_timeout(connect_timeout_), receive_timeout(receive_timeout_), send_timeout(send_timeout_),
 		ping_timeout(ping_timeout_),
 		log_wrapper(host, port)
@ -172,8 +169,6 @@ private:
 	/// каким алгоритмом сжимать данные при INSERT и данные внешних таблиц
 	CompressionMethod network_compression_method = CompressionMethod::LZ4;

-	const DataTypeFactory & data_type_factory;
-
 	/** Если не nullptr, то используется, чтобы ограничить сетевой трафик.
 	  * Учитывается только трафик при передаче блоков. Другие пакеты не учитываются.
 	  */
--- a/dbms/include/DB/Client/ConnectionPool.h
+++ b/dbms/include/DB/Client/ConnectionPool.h
@ -56,7 +56,6 @@ public:
 	ConnectionPool(unsigned max_connections_,
 			const String & host_, UInt16 port_, const String & default_database_,
 			const String & user_, const String & password_,
-			const DataTypeFactory & data_type_factory_,
 			const String & client_name_ = "client",
 			Protocol::Compression::Enum compression_ = Protocol::Compression::Enable,
 			Poco::Timespan connect_timeout_ = Poco::Timespan(DBMS_DEFAULT_CONNECT_TIMEOUT_SEC, 0),
@ -65,7 +64,7 @@ public:
 	   : Base(max_connections_, &Logger::get("ConnectionPool (" + Poco::Net::SocketAddress(host_, port_).toString() + ")")),
 		host(host_), port(port_), default_database(default_database_),
 		user(user_), password(password_),
-		client_name(client_name_), compression(compression_), data_type_factory(data_type_factory_),
+		client_name(client_name_), compression(compression_),
 		connect_timeout(connect_timeout_), receive_timeout(receive_timeout_), send_timeout(send_timeout_)
 	{
 	}
@ -91,7 +90,7 @@ protected:
 	{
 		return new Connection(
 			host, port, default_database, user, password,
-			data_type_factory, client_name, compression,
+			client_name, compression,
 			connect_timeout, receive_timeout, send_timeout);
 	}

@ -105,8 +104,6 @@ private:
 	String client_name;
 	Protocol::Compression::Enum compression;		/// Сжимать ли данные при взаимодействии с сервером.

-	const DataTypeFactory & data_type_factory;
-
 	Poco::Timespan connect_timeout;
 	Poco::Timespan receive_timeout;
 	Poco::Timespan send_timeout;
--- a/dbms/include/DB/Common/ExternalTable.h
+++ b/dbms/include/DB/Common/ExternalTable.h
@ -4,6 +4,7 @@
 #include <boost/algorithm/string.hpp>
 #include <DB/DataStreams/AsynchronousBlockInputStream.h>
 #include <DB/DataStreams/FormatFactory.h>
+#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/Interpreters/Context.h>
 #include <DB/IO/copyData.h>
 #include <DB/IO/ReadBufferFromIStream.h>
@ -42,11 +43,13 @@ public:
 	/// Инициализировать sample_block по структуре таблицы сохраненной в structure
 	virtual void initSampleBlock(const Context & context)
 	{
+		const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 		for (size_t i = 0; i < structure.size(); ++i)
 		{
 			ColumnWithNameAndType column;
 			column.name = structure[i].first;
-			column.type = context.getDataTypeFactory().get(structure[i].second);
+			column.type = data_type_factory.get(structure[i].second);
 			column.column = column.type->createColumn();
 			sample_block.insert(column);
 		}
@ -58,7 +61,7 @@ public:
 		initReadBuffer();
 		initSampleBlock(context);
 		ExternalTableData res = std::make_pair(new AsynchronousBlockInputStream(context.getFormatFactory().getInput(
-			format, *read_buffer, sample_block, DEFAULT_BLOCK_SIZE, context.getDataTypeFactory())), name);
+			format, *read_buffer, sample_block, DEFAULT_BLOCK_SIZE)), name);
 		return res;
 	}

--- a/dbms/include/DB/Common/PODArray.h
+++ b/dbms/include/DB/Common/PODArray.h
@ -192,6 +192,8 @@ public:
 		return *this;
 	}

+	T * data() { return t_start(); }
+	const T * data() const { return t_start(); }

    size_t size() const { return t_end() - t_start(); }
    bool empty() const { return t_end() == t_start(); }
--- a/dbms/include/DB/Core/ErrorCodes.h
+++ b/dbms/include/DB/Core/ErrorCodes.h
@ -285,6 +285,7 @@ namespace ErrorCodes
 		LEADERSHIP_LOST = 278,
 		ALL_CONNECTION_TRIES_FAILED = 279,

+		KEEPER_EXCEPTION = 999,
 		POCO_EXCEPTION = 1000,
 		STD_EXCEPTION = 1001,
 		UNKNOWN_EXCEPTION = 1002,
--- a/dbms/include/DB/Core/NamesAndTypes.h
+++ b/dbms/include/DB/Core/NamesAndTypes.h
@ -9,7 +9,6 @@
 #include <sparsehash/dense_hash_map>

 #include <DB/DataTypes/IDataType.h>
-#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/IO/ReadBufferFromString.h>
 #include "Names.h"

@ -45,11 +44,11 @@ class NamesAndTypesList : public std::list<NameAndTypePair>
 public:
 	using std::list<NameAndTypePair>::list;

-	void readText(ReadBuffer & buf, const DataTypeFactory & data_type_factory);
+	void readText(ReadBuffer & buf);
 	void writeText(WriteBuffer & buf) const;

 	String toString() const;
-	static NamesAndTypesList parse(const String & s, const DataTypeFactory & data_type_factory);
+	static NamesAndTypesList parse(const String & s);

 	/// Все элементы rhs должны быть различны.
 	bool isSubsetOf(const NamesAndTypesList & rhs) const;
--- a/dbms/include/DB/DataStreams/FormatFactory.h
+++ b/dbms/include/DB/DataStreams/FormatFactory.h
@ -1,7 +1,5 @@
 #pragma once

-#include <DB/DataTypes/DataTypeFactory.h>
-
 #include <DB/DataStreams/IBlockInputStream.h>
 #include <DB/DataStreams/IBlockOutputStream.h>

@ -16,8 +14,8 @@ class FormatFactory
 {
 public:
 	BlockInputStreamPtr getInput(const String & name, ReadBuffer & buf,
-		Block & sample, size_t max_block_size, const DataTypeFactory & data_type_factory) const;
-		
+		Block & sample, size_t max_block_size) const;
+
 	BlockOutputStreamPtr getOutput(const String & name, WriteBuffer & buf,
 		Block & sample) const;
 };
--- a/dbms/include/DB/DataStreams/MergeSortingBlockInputStream.h
+++ b/dbms/include/DB/DataStreams/MergeSortingBlockInputStream.h
@ -66,9 +66,9 @@ public:
 	/// limit - если не 0, то можно выдать только первые limit строк в сортированном порядке.
 	MergeSortingBlockInputStream(BlockInputStreamPtr input_, SortDescription & description_,
 		size_t max_merged_block_size_, size_t limit_,
-		size_t max_bytes_before_external_sort_, const std::string & tmp_path_, const DataTypeFactory & data_type_factory_)
+		size_t max_bytes_before_external_sort_, const std::string & tmp_path_)
 		: description(description_), max_merged_block_size(max_merged_block_size_), limit(limit_),
-		max_bytes_before_external_sort(max_bytes_before_external_sort_), tmp_path(tmp_path_), data_type_factory(data_type_factory_)
+		max_bytes_before_external_sort(max_bytes_before_external_sort_), tmp_path(tmp_path_)
 	{
 		children.push_back(input_);
 	}
@ -97,7 +97,6 @@ private:

 	size_t max_bytes_before_external_sort;
 	const std::string tmp_path;
-	const DataTypeFactory & data_type_factory;

 	Logger * log = &Logger::get("MergeSortingBlockInputStream");

@ -115,8 +114,8 @@ private:
 		CompressedReadBuffer compressed_in;
 		BlockInputStreamPtr block_in;

-		TemporaryFileStream(const std::string & path, const DataTypeFactory & data_type_factory)
-			: file_in(path), compressed_in(file_in), block_in(new NativeBlockInputStream(compressed_in, data_type_factory)) {}
+		TemporaryFileStream(const std::string & path)
+			: file_in(path), compressed_in(file_in), block_in(new NativeBlockInputStream(compressed_in)) {}
 	};

 	std::vector<std::unique_ptr<TemporaryFileStream>> temporary_inputs;
--- a/dbms/include/DB/DataStreams/NativeBlockInputStream.h
+++ b/dbms/include/DB/DataStreams/NativeBlockInputStream.h
@ -1,6 +1,5 @@
 #pragma once

-#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/DataStreams/IProfilingBlockInputStream.h>


@ -16,8 +15,8 @@ public:
 	/** В случае указания ненулевой server_revision, может ожидаться и считываться дополнительная информация о блоке,
 	  * в зависимости от поддерживаемой для указанной ревизии.
 	  */
-	NativeBlockInputStream(ReadBuffer & istr_, const DataTypeFactory & data_type_factory_, UInt64 server_revision_ = 0)
-		: istr(istr_), data_type_factory(data_type_factory_), server_revision(server_revision_) {}
+	NativeBlockInputStream(ReadBuffer & istr_, UInt64 server_revision_ = 0)
+		: istr(istr_), server_revision(server_revision_) {}

 	String getName() const override { return "NativeBlockInputStream"; }

@ -35,7 +34,6 @@ protected:

 private:
 	ReadBuffer & istr;
-	const DataTypeFactory & data_type_factory;
 	UInt64 server_revision;
 };

--- a/dbms/include/DB/Dictionaries/ClickHouseDictionarySource.h
+++ b/dbms/include/DB/Dictionaries/ClickHouseDictionarySource.h
@ -20,10 +20,12 @@ const auto max_connections = 16;
 class ClickHouseDictionarySource final : public IDictionarySource
 {
 public:
-	ClickHouseDictionarySource(const Poco::Util::AbstractConfiguration & config,
+	ClickHouseDictionarySource(const DictionaryStructure & dict_struct,
+		const Poco::Util::AbstractConfiguration & config,
 		const std::string & config_prefix,
 		Block & sample_block, Context & context)
-		: host{config.getString(config_prefix + ".host")},
+		: dict_struct{dict_struct},
+		  host{config.getString(config_prefix + ".host")},
 		  port(config.getInt(config_prefix + ".port")),
 		  user{config.getString(config_prefix + ".user", "")},
 		  password{config.getString(config_prefix + ".password", "")},
@ -33,7 +35,7 @@ public:
 		  sample_block{sample_block}, context(context),
 		  is_local{isLocalAddress({ host, port })},
 		  pool{is_local ? nullptr : std::make_unique<ConnectionPool>(
-			  max_connections, host, port, db, user, password, context.getDataTypeFactory(),
+			  max_connections, host, port, db, user, password,
 			  "ClickHouseDictionarySource")
 		  },
 		  load_all_query{composeLoadAllQuery()}
@ -41,13 +43,14 @@ public:

 	/// copy-constructor is provided in order to support cloneability
 	ClickHouseDictionarySource(const ClickHouseDictionarySource & other)
-		: host{other.host}, port{other.port}, user{other.user}, password{other.password},
+		: dict_struct{other.dict_struct},
+		  host{other.host}, port{other.port}, user{other.user}, password{other.password},
 		  db{other.db}, table{other.table},
 		  where{other.where},
 		  sample_block{other.sample_block}, context(other.context),
 		  is_local{other.is_local},
 		  pool{is_local ? nullptr : std::make_unique<ConnectionPool>(
-			  max_connections, host, port, db, user, password, context.getDataTypeFactory(),
+			  max_connections, host, port, db, user, password,
 			  "ClickHouseDictionarySource")},
 		  load_all_query{other.load_all_query}
 	{}
@ -90,14 +93,19 @@ private:
 			WriteBufferFromString out{query};
 			writeString("SELECT ", out);

-			auto first = true;
-			for (const auto idx : ext::range(0, sample_block.columns()))
-			{
-				if (!first)
-					writeString(", ", out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);

-				writeString(sample_block.getByPosition(idx).name, out);
-				first = false;
+			for (const auto & attr : dict_struct.attributes)
+			{
+				writeString(", ", out);
+
+				if (!attr.expression.empty())
+				{
+					writeString(attr.expression, out);
+					writeString(" AS ", out);
+				}
+
+				writeProbablyBackQuotedString(attr.name, out);
 			}

 			writeString(" FROM ", out);
@ -128,17 +136,21 @@ private:
 			WriteBufferFromString out{query};
 			writeString("SELECT ", out);

-			auto first = true;
-			for (const auto idx : ext::range(0, sample_block.columns()))
-			{
-				if (!first)
-					writeString(", ", out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);

-				writeString(sample_block.getByPosition(idx).name, out);
-				first = false;
+			for (const auto & attr : dict_struct.attributes)
+			{
+				writeString(", ", out);
+
+				if (!attr.expression.empty())
+				{
+					writeString(attr.expression, out);
+					writeString(" AS ", out);
+				}
+
+				writeProbablyBackQuotedString(attr.name, out);
 			}

-			const auto & id_column_name = sample_block.getByPosition(0).name;
 			writeString(" FROM ", out);
 			if (!db.empty())
 			{
@ -155,10 +167,10 @@ private:
 				writeString(" AND ", out);
 			}

-			writeProbablyBackQuotedString(id_column_name, out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);
 			writeString(" IN (", out);

-			first = true;
+			auto first = true;
 			for (const auto id : ids)
 			{
 				if (!first)
@ -174,6 +186,7 @@ private:
 		return query;
 	}

+	const DictionaryStructure dict_struct;
 	const std::string host;
 	const UInt16 port;
 	const std::string user;
--- a/dbms/include/DB/Dictionaries/DictionarySourceFactory.h
+++ b/dbms/include/DB/Dictionaries/DictionarySourceFactory.h
@ -64,11 +64,11 @@ public:
 		}
 		else if ("mysql" == source_type)
 		{
-			return std::make_unique<MySQLDictionarySource>(config, config_prefix + ".mysql", sample_block);
+			return std::make_unique<MySQLDictionarySource>(dict_struct, config, config_prefix + ".mysql", sample_block);
 		}
 		else if ("clickhouse" == source_type)
 		{
-			return std::make_unique<ClickHouseDictionarySource>(config, config_prefix + ".clickhouse",
+			return std::make_unique<ClickHouseDictionarySource>(dict_struct, config, config_prefix + ".clickhouse",
 				sample_block, context);
 		}

--- a/dbms/include/DB/Dictionaries/DictionaryStructure.h
+++ b/dbms/include/DB/Dictionaries/DictionaryStructure.h
@ -78,7 +78,7 @@ inline std::string toString(const AttributeUnderlyingType type)
 }

 /// Min and max lifetimes for a dictionary or it's entry
-struct DictionaryLifetime
+struct DictionaryLifetime final
 {
 	std::uint64_t min_sec;
 	std::uint64_t max_sec;
@ -101,18 +101,19 @@ struct DictionaryLifetime
 *	- hierarchical, whether this attribute defines a hierarchy;
 *	- injective, whether the mapping to parent is injective (can be used for optimization of GROUP BY?)
 */
-struct DictionaryAttribute
+struct DictionaryAttribute final
 {
-	std::string name;
-	AttributeUnderlyingType underlying_type;
-	DataTypePtr type;
-	Field null_value;
-	bool hierarchical;
-	bool injective;
+	const std::string name;
+	const AttributeUnderlyingType underlying_type;
+	const DataTypePtr type;
+	const std::string expression;
+	const Field null_value;
+	const bool hierarchical;
+	const bool injective;
 };

 /// Name of identifier plus list of attributes
-struct DictionaryStructure
+struct DictionaryStructure final
 {
 	std::string id_name;
 	std::vector<DictionaryAttribute> attributes;
@ -142,6 +143,8 @@ struct DictionaryStructure
 			const auto type = DataTypeFactory::instance().get(type_string);
 			const auto underlying_type = getAttributeUnderlyingType(type_string);

+			const auto expression = config.getString(prefix + "expression", "");
+
 			const auto null_value_string = config.getString(prefix + "null_value");
 			Field null_value;
 			try
@ -174,7 +177,7 @@ struct DictionaryStructure
 			has_hierarchy = has_hierarchy || hierarchical;

 			attributes.emplace_back(DictionaryAttribute{
-				name, underlying_type, type, null_value, hierarchical, injective
+				name, underlying_type, type, expression, null_value, hierarchical, injective
 			});
 		}

--- a/dbms/include/DB/Dictionaries/FileDictionarySource.h
+++ b/dbms/include/DB/Dictionaries/FileDictionarySource.h
@ -34,7 +34,7 @@ public:
 	{
 		auto in_ptr = std::make_unique<ReadBufferFromFile>(filename);
 		auto stream = context.getFormatFactory().getInput(
-			format, *in_ptr, sample_block, max_block_size, context.getDataTypeFactory());
+			format, *in_ptr, sample_block, max_block_size);
 		last_modification = getLastModification();

 		return new OwningBufferBlockInputStream{stream, std::move(in_ptr)};
--- a/dbms/include/DB/Dictionaries/MySQLDictionarySource.h
+++ b/dbms/include/DB/Dictionaries/MySQLDictionarySource.h
@ -16,9 +16,11 @@ class MySQLDictionarySource final : public IDictionarySource
 	static const auto max_block_size = 8192;

 public:
-	MySQLDictionarySource(const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix,
+	MySQLDictionarySource(const DictionaryStructure & dict_struct,
+		const Poco::Util::AbstractConfiguration & config, const std::string & config_prefix,
 		Block & sample_block)
-		: db{config.getString(config_prefix + ".db", "")},
+		: dict_struct{dict_struct},
+		  db{config.getString(config_prefix + ".db", "")},
 		  table{config.getString(config_prefix + ".table")},
 		  where{config.getString(config_prefix + ".where", "")},
 		  sample_block{sample_block},
@ -29,7 +31,8 @@ public:

 	/// copy-constructor is provided in order to support cloneability
 	MySQLDictionarySource(const MySQLDictionarySource & other)
-		: db{other.db},
+		: dict_struct{other.dict_struct},
+		  db{other.db},
 		  table{other.table},
 		  where{other.where},
 		  sample_block{other.sample_block},
@ -101,14 +104,19 @@ private:
 			WriteBufferFromString out{query};
 			writeString("SELECT ", out);

-			auto first = true;
-			for (const auto idx : ext::range(0, sample_block.columns()))
-			{
-				if (!first)
-					writeString(", ", out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);

-				writeString(sample_block.getByPosition(idx).name, out);
-				first = false;
+			for (const auto & attr : dict_struct.attributes)
+			{
+				writeString(", ", out);
+
+				if (!attr.expression.empty())
+				{
+					writeString(attr.expression, out);
+					writeString(" AS ", out);
+				}
+
+				writeProbablyBackQuotedString(attr.name, out);
 			}

 			writeString(" FROM ", out);
@ -139,17 +147,21 @@ private:
 			WriteBufferFromString out{query};
 			writeString("SELECT ", out);

-			auto first = true;
-			for (const auto idx : ext::range(0, sample_block.columns()))
-			{
-				if (!first)
-					writeString(", ", out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);

-				writeString(sample_block.getByPosition(idx).name, out);
-				first = false;
+			for (const auto & attr : dict_struct.attributes)
+			{
+				writeString(", ", out);
+
+				if (!attr.expression.empty())
+				{
+					writeString(attr.expression, out);
+					writeString(" AS ", out);
+				}
+
+				writeProbablyBackQuotedString(attr.name, out);
 			}

-			const auto & id_column_name = sample_block.getByPosition(0).name;
 			writeString(" FROM ", out);
 			if (!db.empty())
 			{
@ -166,10 +178,10 @@ private:
 				writeString(" AND ", out);
 			}

-			writeProbablyBackQuotedString(id_column_name, out);
+			writeProbablyBackQuotedString(dict_struct.id_name, out);
 			writeString(" IN (", out);

-			first = true;
+			auto first = true;
 			for (const auto id : ids)
 			{
 				if (!first)
@ -185,6 +197,7 @@ private:
 		return query;
 	}

+	const DictionaryStructure dict_struct;
 	const std::string db;
 	const std::string table;
 	const std::string where;
--- a/dbms/include/DB/Functions/FunctionsRound.h
+++ b/dbms/include/DB/Functions/FunctionsRound.h
@ -97,6 +97,68 @@ namespace DB
 		}
 	};

+	/** Быстрое вычисление остатка от деления для применения к округлению целых чисел.
+	  * Без проверки, потому что делитель всегда положительный.
+	  */
+	template<typename T, typename Enable = void>
+	struct FastModulo
+	{
+	};
+
+	template<typename T>
+	struct FastModulo<T, typename std::enable_if<std::is_integral<T>::value>::type>
+	{
+	private:
+		template<typename InputType, typename Enable = void>
+		struct Extend
+		{
+		};
+
+		template<typename InputType>
+		struct Extend<InputType,
+			typename std::enable_if<std::is_same<InputType, Int8>::value
+				|| std::is_same<InputType, Int16>::value>::type>
+		{
+			using Type = Int64;
+		};
+
+		template<typename InputType>
+		struct Extend<InputType,
+			typename std::enable_if<std::is_same<InputType, UInt8>::value
+				|| std::is_same<InputType, UInt16>::value>::type>
+		{
+			using Type = UInt64;
+		};
+
+		template<typename InputType>
+		struct Extend<InputType,
+			typename std::enable_if<std::is_integral<InputType>::value
+				&& (sizeof(InputType) >= 4)>::type>
+		{
+			using Type = InputType;
+		};
+
+		using U = typename Extend<T>::Type;
+
+	public:
+		using Divisor = std::pair<size_t, typename libdivide::divider<U> >;
+
+		static inline Divisor prepare(size_t b)
+		{
+			return std::make_pair(b, libdivide::divider<U>(b));
+		}
+
+		static inline T compute(T a, const Divisor & divisor)
+		{
+			if (divisor.first == 1)
+				return 0;
+
+			U val = static_cast<U>(a);
+			U rem = val - (val / divisor.second) * static_cast<U>(divisor.first);
+			return static_cast<T>(rem);
+		}
+	};
+
 	/** Этот параметр контролирует поведение функций округления.
 	  */
 	enum ScaleMode
@ -119,7 +181,14 @@ namespace DB
 		typename std::enable_if<std::is_integral<T>::value
 			&& ((scale_mode == PositiveScale) || (scale_mode == ZeroScale))>::type>
 	{
-		static inline T compute(const T in, size_t scale)
+		using Divisor = int;
+
+		static inline Divisor prepare(size_t scale)
+		{
+			return 0;
+		}
+
+		static inline T compute(T in, const Divisor & scale)
 		{
 			return in;
 		}
@ -129,14 +198,26 @@ namespace DB
 	struct IntegerRoundingComputation<T, _MM_FROUND_NINT, NegativeScale,
 		typename std::enable_if<std::is_integral<T>::value>::type>
 	{
-		static inline T compute(T in, size_t scale)
+		using Op = FastModulo<T>;
+		using Divisor = typename Op::Divisor;
+
+		static inline Divisor prepare(size_t scale)
 		{
-			T rem = in % scale;
+			return Op::prepare(scale);
+		}
+
+		static inline T compute(T in, const Divisor & scale)
+		{
+			T factor = (in < 0) ? -1 : 1;
+			in *= factor;
+			T rem = Op::compute(in, scale);
 			in -= rem;
-			if (static_cast<size_t>(2 * rem) < scale)
-				return in;
+			T res;
+			if ((2 * rem) < static_cast<T>(scale.first))
+				res = in;
 			else
-				return in + scale;
+				res = in + scale.first;
+			return factor * res;
 		}
 	};

@ -144,10 +225,21 @@ namespace DB
 	struct IntegerRoundingComputation<T, _MM_FROUND_CEIL, NegativeScale,
 		typename std::enable_if<std::is_integral<T>::value>::type>
 	{
-		static inline T compute(const T in, size_t scale)
+		using Op = FastModulo<T>;
+		using Divisor = typename Op::Divisor;
+
+		static inline Divisor prepare(size_t scale)
 		{
-			T rem = in % scale;
-			return in - rem + scale;
+			return Op::prepare(scale);
+		}
+
+		static inline T compute(T in, const Divisor & scale)
+		{
+			T factor = (in < 0) ? -1 : 1;
+			in *= factor;
+			T rem = Op::compute(in, scale);
+			T res = in - rem + scale.first;
+			return factor * res;
 		}
 	};

@ -155,10 +247,21 @@ namespace DB
 	struct IntegerRoundingComputation<T, _MM_FROUND_FLOOR, NegativeScale,
 		typename std::enable_if<std::is_integral<T>::value>::type>
 	{
-		static inline T compute(const T in, size_t scale)
+		using Op = FastModulo<T>;
+		using Divisor = typename Op::Divisor;
+
+		static inline Divisor prepare(size_t scale)
 		{
-			T rem = in % scale;
-			return in - rem;
+			return Op::prepare(scale);
+		}
+
+		static inline T compute(T in, const Divisor & scale)
+		{
+			T factor = (in < 0) ? -1 : 1;
+			in *= factor;
+			T rem = Op::compute(in, scale);
+			T res = in - rem;
+			return factor * res;
 		}
 	};

@ -192,13 +295,13 @@ namespace DB
 	struct FloatRoundingComputation<Float32, rounding_mode, PositiveScale>
 		: public BaseFloatRoundingComputation<Float32>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 			Float32 fscale = static_cast<Float32>(scale);
 			mm_scale = _mm_load1_ps(&fscale);
 		}

-		static inline void compute(const Float32 * in, const Scale & scale, Float32 * out)
+		static inline void compute(const Float32 * __restrict in, const Scale & scale, Float32 * __restrict out)
 		{
 			__m128 val = _mm_loadu_ps(in);
 			val = _mm_mul_ps(val, scale);
@ -212,20 +315,37 @@ namespace DB
 	struct FloatRoundingComputation<Float32, rounding_mode, NegativeScale>
 		: public BaseFloatRoundingComputation<Float32>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 			Float32 fscale = static_cast<Float32>(scale);
 			mm_scale = _mm_load1_ps(&fscale);
 		}

-		static inline void compute(const Float32 * in, const Scale & scale, Float32 * out)
+		static inline void compute(const Float32 * __restrict in, const Scale & scale, Float32 * __restrict out)
 		{
 			__m128 val = _mm_loadu_ps(in);
+
+			/// Превратить отрицательные значения в положительные.
+			__m128 factor = _mm_cmpge_ps(val, getZero());
+			factor = _mm_min_ps(factor, getTwo());
+			factor = _mm_sub_ps(factor, getOne());
+			val = _mm_mul_ps(val, factor);
+
+			/// Алгоритм округления.
 			val = _mm_div_ps(val, scale);
 			__m128 res = _mm_cmpge_ps(val, getOneTenth());
 			val = _mm_round_ps(val, rounding_mode);
 			val = _mm_mul_ps(val, scale);
 			val = _mm_and_ps(val, res);
+
+			/// Предотвратить появление отрицательных нолей определённых в стандарте IEEE-754.
+			__m128 check = _mm_cmpeq_ps(val, getZero());
+			check = _mm_min_ps(check, getOne());
+			factor = _mm_add_ps(factor, check);
+
+			/// Вернуть настоящие знаки всех значений.
+			val = _mm_mul_ps(val, factor);
+
 			_mm_storeu_ps(out, val);
 		}

@ -235,17 +355,35 @@ namespace DB
 			static const __m128 one_tenth = _mm_set1_ps(0.1);
 			return one_tenth;
 		}
+
+		static inline const __m128 & getZero()
+		{
+			static const __m128 zero = _mm_set1_ps(0.0);
+			return zero;
+		}
+
+		static inline const __m128 & getOne()
+		{
+			static const __m128 one = _mm_set1_ps(1.0);
+			return one;
+		}
+
+		static inline const __m128 & getTwo()
+		{
+			static const __m128 two = _mm_set1_ps(2.0);
+			return two;
+		}
 	};

 	template<int rounding_mode>
 	struct FloatRoundingComputation<Float32, rounding_mode, ZeroScale>
 		: public BaseFloatRoundingComputation<Float32>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 		}

-		static inline void compute(const Float32 * in, const Scale & scale, Float32 * out)
+		static inline void compute(const Float32 * __restrict in, const Scale & scale, Float32 * __restrict out)
 		{
 			__m128 val = _mm_loadu_ps(in);
 			val = _mm_round_ps(val, rounding_mode);
@ -257,13 +395,13 @@ namespace DB
 	struct FloatRoundingComputation<Float64, rounding_mode, PositiveScale>
 		: public BaseFloatRoundingComputation<Float64>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 			Float64 fscale = static_cast<Float64>(scale);
 			mm_scale = _mm_load1_pd(&fscale);
 		}

-		static inline void compute(const Float64 * in, const Scale & scale, Float64 * out)
+		static inline void compute(const Float64 * __restrict in, const Scale & scale, Float64 * __restrict out)
 		{
 			__m128d val = _mm_loadu_pd(in);
 			val = _mm_mul_pd(val, scale);
@ -277,20 +415,37 @@ namespace DB
 	struct FloatRoundingComputation<Float64, rounding_mode, NegativeScale>
 		: public BaseFloatRoundingComputation<Float64>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 			Float64 fscale = static_cast<Float64>(scale);
 			mm_scale = _mm_load1_pd(&fscale);
 		}

-		static inline void compute(const Float64 * in, const Scale & scale, Float64 * out)
+		static inline void compute(const Float64 * __restrict in, const Scale & scale, Float64 * __restrict out)
 		{
 			__m128d val = _mm_loadu_pd(in);
+
+			/// Превратить отрицательные значения в положительные.
+			__m128d factor = _mm_cmpge_pd(val, getZero());
+			factor = _mm_min_pd(factor, getTwo());
+			factor = _mm_sub_pd(factor, getOne());
+			val = _mm_mul_pd(val, factor);
+
+			/// Алгоритм округления.
 			val = _mm_div_pd(val, scale);
 			__m128d res = _mm_cmpge_pd(val, getOneTenth());
 			val = _mm_round_pd(val, rounding_mode);
 			val = _mm_mul_pd(val, scale);
 			val = _mm_and_pd(val, res);
+
+			/// Предотвратить появление отрицательных нолей определённых в стандарте IEEE-754.
+			__m128d check = _mm_cmpeq_pd(val, getZero());
+			check = _mm_min_pd(check, getOne());
+			factor = _mm_add_pd(factor, check);
+
+			/// Вернуть настоящие знаки всех значений.
+			val = _mm_mul_pd(val, factor);
+
 			_mm_storeu_pd(out, val);
 		}

@ -300,17 +455,35 @@ namespace DB
 			static const __m128d one_tenth = _mm_set1_pd(0.1);
 			return one_tenth;
 		}
+
+		static inline const __m128d & getZero()
+		{
+			static const __m128d zero = _mm_set1_pd(0.0);
+			return zero;
+		}
+
+		static inline const __m128d & getOne()
+		{
+			static const __m128d one = _mm_set1_pd(1.0);
+			return one;
+		}
+
+		static inline const __m128d & getTwo()
+		{
+			static const __m128d two = _mm_set1_pd(2.0);
+			return two;
+		}
 	};

 	template<int rounding_mode>
 	struct FloatRoundingComputation<Float64, rounding_mode, ZeroScale>
 		: public BaseFloatRoundingComputation<Float64>
 	{
-		static inline void prepareScale(size_t scale, Scale & mm_scale)
+		static inline void prepare(size_t scale, Scale & mm_scale)
 		{
 		}

-		static inline void compute(const Float64 * in, const Scale & scale, Float64 * out)
+		static inline void compute(const Float64 * __restrict in, const Scale & scale, Float64 * __restrict out)
 		{
 			__m128d val = _mm_loadu_pd(in);
 			val = _mm_round_pd(val, rounding_mode);
@ -337,14 +510,23 @@ namespace DB
 	public:
 		static inline void apply(const PODArray<T> & in, size_t scale, typename ColumnVector<T>::Container_t & out)
 		{
-			size_t size = in.size();
-			for (size_t i = 0; i < size; ++i)
-				out[i] = Op::compute(in[i], scale);
+			auto divisor = Op::prepare(scale);
+
+			const T* begin_in = &in[0];
+			const T* end_in = begin_in + in.size();
+
+			T* __restrict p_out = &out[0];
+			for (const T* __restrict p_in = begin_in; p_in != end_in; ++p_in)
+			{
+				*p_out = Op::compute(*p_in, divisor);
+				++p_out;
+			}
 		}

 		static inline T apply(T val, size_t scale)
 		{
-			return Op::compute(val, scale);
+			auto divisor = Op::prepare(scale);
+			return Op::compute(val, divisor);
 		}
 	};

@ -363,26 +545,49 @@ namespace DB
 		static inline void apply(const PODArray<T> & in, size_t scale, typename ColumnVector<T>::Container_t & out)
 		{
 			Scale mm_scale;
-			Op::prepareScale(scale, mm_scale);
+			Op::prepare(scale, mm_scale);

-			const size_t size = in.size();
 			const size_t data_count = std::tuple_size<Data>();

-			size_t i;
-			for (i = 0; i < (size - data_count + 1); i += data_count)
-				Op::compute(reinterpret_cast<const T *>(&in[i]), mm_scale, reinterpret_cast<T *>(&out[i]));
+			const T* begin_in = &in[0];
+			const T* end_in = begin_in + in.size();

-			if (i < size)
+			T* begin_out = &out[0];
+			const T* end_out = begin_out + out.size();
+
+			const T* limit = end_in - (data_count - 1);
+
+			const T* __restrict p_in = begin_in;
+			T* __restrict p_out = begin_out;
+			for (; p_in < limit; p_in += data_count)
+			{
+				Op::compute(p_in, mm_scale, p_out);
+				p_out += data_count;
+			}
+
+			if (p_in < end_in)
 			{
 				Data tmp{0};
-				for (size_t j = 0; (j < data_count) && ((i + j) < size); ++j)
-					tmp[j] = in[i + j];
+				T* begin_tmp = &tmp[0];
+				const T* end_tmp = begin_tmp + data_count;
+
+				for (T* __restrict p_tmp = begin_tmp; (p_tmp != end_tmp) && (p_in != end_in); ++p_tmp)
+				{
+					*p_tmp = *p_in;
+					++p_in;
+				}

 				Data res;
+				const T* begin_res = &res[0];
+				const T* end_res = begin_res + data_count;
+
 				Op::compute(reinterpret_cast<T *>(&tmp), mm_scale, reinterpret_cast<T *>(&res));

-				for (size_t j = 0; (j < data_count) && ((i + j) < size); ++j)
-					out[i + j] = res[j];
+				for (const T* __restrict p_res = begin_res; (p_res != end_res) && (p_out != end_out); ++p_res)
+				{
+					*p_out = *p_res;
+					++p_out;
+				}
 			}
 		}

@ -393,7 +598,7 @@ namespace DB
 			else
 			{
 				Scale mm_scale;
-				Op::prepareScale(scale, mm_scale);
+				Op::prepare(scale, mm_scale);

 				Data tmp{0};
 				tmp[0] = val;
--- a/dbms/include/DB/Functions/FunctionsString.h
+++ b/dbms/include/DB/Functions/FunctionsString.h
@ -234,6 +234,172 @@ private:
 	}
 };

+template <char not_case_lower_bound, char not_case_upper_bound>
+struct LowerUpperImplVectorized
+{
+	template <char, char, int(int)> friend class LowerUpperUTF8ImplVectorized;
+
+	static void vector(const ColumnString::Chars_t & data, const ColumnString::Offsets_t & offsets,
+					   ColumnString::Chars_t & res_data, ColumnString::Offsets_t & res_offsets)
+	{
+		res_data.resize(data.size());
+		res_offsets.assign(offsets);
+		array(data.data(), data.data() + data.size(), res_data.data());
+	}
+
+	static void vector_fixed(const ColumnString::Chars_t & data, size_t n,
+							 ColumnString::Chars_t & res_data)
+	{
+		res_data.resize(data.size());
+		array(data.data(), data.data() + data.size(), res_data.data());
+	}
+
+	static void constant(const std::string & data, std::string & res_data)
+	{
+		res_data.resize(data.size());
+		array(reinterpret_cast<const UInt8 *>(data.data()), reinterpret_cast<const UInt8 *>(data.data() + data.size()),
+			  reinterpret_cast<UInt8 *>(&res_data[0]));
+	}
+
+private:
+	static void array(const UInt8 * src, const UInt8 * src_end, UInt8 * dst)
+	{
+		const auto src_end_sse = src_end - (src_end - src) % 16;
+
+		const auto flip_case_mask = 1 << 5;
+
+		const auto v_not_case_lower_bound = _mm_set1_epi8(not_case_lower_bound - 1);
+		const auto v_not_case_upper_bound = _mm_set1_epi8(not_case_upper_bound + 1);
+		const auto v_flip_case_mask = _mm_set1_epi8(flip_case_mask);
+
+		for (; src < src_end_sse; src += 16, dst += 16)
+		{
+			/// load 16 sequential 8-bit characters
+			const auto chars = _mm_loadu_si128(reinterpret_cast<const __m128i *>(src));
+
+			/// find which 8-bit sequences belong to range [case_lower_bound, case_upper_bound]
+			const auto is_not_case = _mm_and_si128(_mm_cmpgt_epi8(chars, v_not_case_lower_bound),
+												   _mm_cmplt_epi8(chars, v_not_case_upper_bound));
+
+			/// keep `flip_case_mask` only where necessary, zero out elsewhere
+			const auto xor_mask = _mm_and_si128(v_flip_case_mask, is_not_case);
+
+			/// flip case by applying calculated mask
+			const auto cased_chars = _mm_xor_si128(chars, xor_mask);
+
+			/// store result back to destination
+			_mm_storeu_si128(reinterpret_cast<__m128i *>(dst), cased_chars);
+		}
+
+		for (; src < src_end; ++src, ++dst)
+			*dst = (*src >= not_case_lower_bound && *src <= not_case_upper_bound) ? *src ^ flip_case_mask : *src;
+	}
+};
+
+template <char not_case_lower_bound, char not_case_upper_bound, int to_case(int)>
+struct LowerUpperUTF8ImplVectorized
+{
+	static void vector(const ColumnString::Chars_t & data, const ColumnString::Offsets_t & offsets,
+					   ColumnString::Chars_t & res_data, ColumnString::Offsets_t & res_offsets)
+	{
+		res_data.resize(data.size());
+		res_offsets.assign(offsets);
+		array(data.data(), data.data() + data.size(), res_data.data());
+	}
+
+	static void vector_fixed(const ColumnString::Chars_t & data, size_t n,
+							 ColumnString::Chars_t & res_data)
+	{
+		res_data.resize(data.size());
+		array(data.data(), data.data() + data.size(), res_data.data());
+	}
+
+	static void constant(const std::string & data, std::string & res_data)
+	{
+		res_data.resize(data.size());
+		array(reinterpret_cast<const UInt8 *>(data.data()), reinterpret_cast<const UInt8 *>(data.data() + data.size()),
+			  reinterpret_cast<UInt8 *>(&res_data[0]));
+	}
+
+private:
+	static void array(const UInt8 * src, const UInt8 * src_end, UInt8 * dst)
+	{
+		auto is_ascii = false;
+
+		if (isCaseASCII(src, src_end, is_ascii))
+			std::copy(src, src_end, dst);
+		else if (is_ascii)
+			LowerUpperImplVectorized<not_case_lower_bound, not_case_upper_bound>::array(src, src_end, dst);
+		else
+			UTF8ToCase(src, src_end, dst);
+	}
+
+	static bool isCaseASCII(const UInt8 * src, const UInt8 * const src_end, bool & is_ascii)
+	{
+		const auto src_end_sse = src_end - (src_end - src) % 16;
+
+		const auto not_case_a_16 = _mm_set1_epi8('A' - 1);
+		const auto not_case_z_16 = _mm_set1_epi8('Z' + 1);
+		const auto zero_16 = _mm_setzero_si128();
+
+		auto is_case = true;
+
+		for (; src < src_end_sse; src += 16)
+		{
+			const auto chars = _mm_loadu_si128(reinterpret_cast<const __m128i *>(src));
+
+			/// check for ASCII and case
+			const auto is_not_ascii = _mm_cmplt_epi8(chars, zero_16);
+			const auto mask_is_not_ascii = _mm_movemask_epi8(is_not_ascii);
+
+			if (mask_is_not_ascii != 0)
+			{
+				is_ascii = false;
+				return false;
+			}
+
+			const auto is_not_case = _mm_and_si128(_mm_cmpgt_epi8(chars, not_case_a_16),
+												   _mm_cmplt_epi8(chars, not_case_z_16));
+			const auto mask_is_not_case = _mm_movemask_epi8(is_not_case);
+
+			if (mask_is_not_case != 0)
+				is_case = false;
+		}
+
+		/// handle remaining symbols
+		for (; src < src_end; ++src)
+			if (*src > '\x7f')
+			{
+				is_ascii = false;
+				return false;
+			}
+			else if (*src >= 'A' && *src <= 'Z')
+				is_case = false;
+
+		is_ascii = true;
+		return is_case;
+	}
+
+	static void UTF8ToCase(const UInt8 * src, const UInt8 * src_end, UInt8 * dst)
+	{
+		static const Poco::UTF8Encoding utf8;
+
+		while (src < src_end)
+		{
+			if (const auto chars = utf8.convert(to_case(utf8.convert(src)), dst, src_end - src))
+			{
+				src += chars;
+				dst += chars;
+			}
+			else
+			{
+				++src;
+				++dst;
+			}
+		}
+	}
+};
+

 /** Если строка содержит текст в кодировке UTF-8 - перевести его в нижний (верхний) регистр.
  * Замечание: предполагается, что после перевода символа в другой регистр,
@ -1424,6 +1590,11 @@ struct NameReverseUTF8		{ static constexpr auto name = "reverseUTF8"; };
 struct NameSubstring		{ static constexpr auto name = "substring"; };
 struct NameSubstringUTF8	{ static constexpr auto name = "substringUTF8"; };

+struct NameSSELower { static constexpr auto name = "sse_lower"; };
+struct NameSSEUpper { static constexpr auto name = "sse_upper"; };
+struct NameSSELowerUTF8 { static constexpr auto name = "sse_lowerUTF8"; };
+struct NameSSEUpperUTF8 { static constexpr auto name = "sse_upperUTF8"; };
+
 typedef FunctionStringOrArrayToT<EmptyImpl<false>,		NameEmpty,		UInt8> 	FunctionEmpty;
 typedef FunctionStringOrArrayToT<EmptyImpl<true>, 		NameNotEmpty,	UInt8> 	FunctionNotEmpty;
 typedef FunctionStringOrArrayToT<LengthImpl, 			NameLength,		UInt64> FunctionLength;
@ -1437,5 +1608,10 @@ typedef FunctionStringToString<ReverseUTF8Impl,			NameReverseUTF8>		FunctionReve
 typedef FunctionStringNumNumToString<SubstringImpl,		NameSubstring>			FunctionSubstring;
 typedef FunctionStringNumNumToString<SubstringUTF8Impl,	NameSubstringUTF8>		FunctionSubstringUTF8;

+using FunctionSSELower = FunctionStringToString<LowerUpperImplVectorized<'A', 'Z'>, NameSSELower>;
+using FunctionSSEUpper = FunctionStringToString<LowerUpperImplVectorized<'a', 'z'>, NameSSEUpper>;
+using FunctionSSELowerUTF8 = FunctionStringToString<LowerUpperUTF8ImplVectorized<'A', 'Z', Poco::Unicode::toLower>, NameSSELowerUTF8>;
+using FunctionSSEUpperUTF8 = FunctionStringToString<LowerUpperUTF8ImplVectorized<'a', 'z', Poco::Unicode::toUpper>, NameSSEUpperUTF8>;
+

 }
--- a/dbms/include/DB/Interpreters/Cluster.h
+++ b/dbms/include/DB/Interpreters/Cluster.h
@ -2,7 +2,6 @@

 #include <map>
 #include <DB/Interpreters/Settings.h>
-#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/Client/ConnectionPool.h>
 #include <DB/Client/ConnectionPoolWithFailover.h>
 #include <Poco/Net/SocketAddress.h>
@ -16,10 +15,10 @@ namespace DB
 class Cluster : private boost::noncopyable
 {
 public:
-	Cluster(const Settings & settings, const DataTypeFactory & data_type_factory, const String & cluster_name);
+	Cluster(const Settings & settings, const String & cluster_name);

 	/// Построить кластер по именам шардов и реплик. Локальные обрабатываются так же как удаленные.
-	Cluster(const Settings & settings, const DataTypeFactory & data_type_factory, std::vector<std::vector<String>> names,
+	Cluster(const Settings & settings, std::vector<std::vector<String>> names,
 			const String & username, const String & password);

 	/// количество узлов clickhouse сервера, расположенных локально
@ -98,8 +97,7 @@ struct Clusters
 	typedef std::map<String, Cluster> Impl;
 	Impl impl;

-	Clusters(const Settings & settings, const DataTypeFactory & data_type_factory,
-			 const String & config_name = "remote_servers");
+	Clusters(const Settings & settings, const String & config_name = "remote_servers");
 };

 }
--- a/dbms/include/DB/Interpreters/Context.h
+++ b/dbms/include/DB/Interpreters/Context.h
@ -160,7 +160,6 @@ public:

 	const TableFunctionFactory & getTableFunctionFactory() const;
 	const AggregateFunctionFactory & getAggregateFunctionFactory() const;
-	const DataTypeFactory & getDataTypeFactory() const;
 	const FormatFactory & getFormatFactory() const;
 	const Dictionaries & getDictionaries() const;
 	const ExternalDictionaries & getExternalDictionaries() const;
--- a/dbms/include/DB/Interpreters/ExpressionAnalyzer.h
+++ b/dbms/include/DB/Interpreters/ExpressionAnalyzer.h
@ -22,6 +22,7 @@ struct SubqueryForSet
 {
 	/// Источник - получен с помощью InterpreterSelectQuery подзапроса.
 	BlockInputStreamPtr source;
+	Block source_sample;

 	/// Если задано - создать из результата Set.
 	SetPtr set;
--- a/dbms/include/DB/Interpreters/InterpreterAlterQuery.h
+++ b/dbms/include/DB/Interpreters/InterpreterAlterQuery.h
@ -77,7 +77,7 @@ private:

 	Context context;

-	static void parseAlter(const ASTAlterQuery::ParameterContainer & params, const DataTypeFactory & data_type_factory,
+	static void parseAlter(const ASTAlterQuery::ParameterContainer & params,
 		AlterCommands & out_alter_commands, PartitionCommands & out_partition_commands);
 };

--- a/dbms/include/DB/Storages/ColumnsDescription.h
+++ b/dbms/include/DB/Storages/ColumnsDescription.h
@ -21,7 +21,7 @@ struct ColumnsDescription

 	String toString() const;

-	static ColumnsDescription parse(const String & str, const DataTypeFactory & data_type_factory);
+	static ColumnsDescription parse(const String & str);
 };


--- a/dbms/include/DB/Storages/Distributed/DirectoryMonitor.h
+++ b/dbms/include/DB/Storages/Distributed/DirectoryMonitor.h
@ -126,7 +126,7 @@ private:
 												 const std::string & user, const std::string & password) {
 			return new ConnectionPool{
 				1, host, port, "",
-				user, password, storage.context.getDataTypeFactory(),
+				user, password,
 				storage.getName() + '_' + name};
 		};

--- a/dbms/include/DB/Storages/MergeTree/MergeTreeData.h
+++ b/dbms/include/DB/Storages/MergeTree/MergeTreeData.h
@ -477,7 +477,7 @@ public:
 			}

 			ReadBufferFromFile file(path, std::min(static_cast<size_t>(DBMS_DEFAULT_BUFFER_SIZE), Poco::File(path).getSize()));
-			columns.readText(file, storage.context.getDataTypeFactory());
+			columns.readText(file);
 		}

 		void checkNotBroken(bool require_part_metadata)
@ -853,13 +853,13 @@ public:
 	const MergeTreeSettings settings;

 	const ASTPtr primary_expr_ast;
+	Block primary_key_sample;

 private:
 	bool require_part_metadata;

 	ExpressionActionsPtr primary_expr;
 	SortDescription sort_descr;
-	Block primary_key_sample;

 	String full_path;

--- a/dbms/include/DB/Storages/MergeTree/MergeTreePartChecker.h
+++ b/dbms/include/DB/Storages/MergeTree/MergeTreePartChecker.h
@ -28,8 +28,11 @@ public:
 	  *  - Проверяет правильность засечек.
 	  * Бросает исключение, если кусок испорчен или если проверить не получилось (TODO: можно попробовать разделить эти случаи).
 	  */
-	static void checkDataPart(String path, const Settings & settings, const DataTypeFactory & data_type_factory,
-							  MergeTreeData::DataPart::Checksums * out_checksums = nullptr);
+	static void checkDataPart(
+		String path,
+		const Settings & settings,
+		const Block & primary_key_sample,	/// Проверять первичный ключ. Если не надо - передайте пустой Block.
+		MergeTreeData::DataPart::Checksums * out_checksums = nullptr);
 };

 }
--- a/dbms/include/DB/Storages/StorageSet.h
+++ b/dbms/include/DB/Storages/StorageSet.h
@ -45,7 +45,7 @@ protected:
 	void restore();

 private:
-	void restoreFromFile(const String & file_path, const DataTypeFactory & data_type_factory);
+	void restoreFromFile(const String & file_path);

 	/// Вставить блок в состояние.
 	virtual void insertBlock(const Block & block) = 0;
--- a/dbms/include/DB/TableFunctions/TableFunctionRemote.h
+++ b/dbms/include/DB/TableFunctions/TableFunctionRemote.h
@ -3,6 +3,7 @@
 #include <DB/TableFunctions/ITableFunction.h>
 #include <DB/Storages/StorageDistributed.h>
 #include <DB/Parsers/ASTIdentifier.h>
+#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/DataStreams/RemoteBlockInputStream.h>
 #include <DB/Interpreters/reinterpretAsIdentifier.h>
 #include <DB/Interpreters/Cluster.h>
@ -117,7 +118,7 @@ public:
 		if (names.empty())
 			throw Exception("Shard list is empty after parsing first argument", ErrorCodes::BAD_ARGUMENTS);

-		SharedPtr<Cluster> cluster = new Cluster(context.getSettings(), context.getDataTypeFactory(), names, username, password);
+		SharedPtr<Cluster> cluster = new Cluster(context.getSettings(), names, username, password);

 		return StorageDistributed::create(getName(), chooseColumns(*cluster, remote_database, remote_table, context),
 			remote_database, remote_table, cluster, context);
@ -140,6 +141,8 @@ private:
 		};
 		input->readPrefix();

+		const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 		while (true)
 		{
 			Block current = input->read();
@ -153,7 +156,7 @@ private:
 				String column_name = (*name)[i].get<const String &>();
 				String data_type_name = (*type)[i].get<const String &>();

-				res.emplace_back(column_name, context.getDataTypeFactory().get(data_type_name));
+				res.emplace_back(column_name, data_type_factory.get(data_type_name));
 			}
 		}

--- a/dbms/src/Client/Benchmark.cpp
+++ b/dbms/src/Client/Benchmark.cpp
@ -52,7 +52,7 @@ public:
 			const String & host_, UInt16 port_, const String & default_database_,
 			const String & user_, const String & password_, const Settings & settings_)
 		: concurrency(concurrency_), delay(delay_), queue(concurrency),
-		connections(concurrency, host_, port_, default_database_, user_, password_, data_type_factory),
+		connections(concurrency, host_, port_, default_database_, user_, password_),
 		settings(settings_), pool(concurrency)
 	{
 		std::cerr << std::fixed << std::setprecision(3);
@ -73,7 +73,6 @@ private:
 	typedef ConcurrentBoundedQueue<Query> Queue;
 	Queue queue;

-	DataTypeFactory data_type_factory;
 	ConnectionPool connections;
 	Settings settings;

--- a/dbms/src/Client/Client.cpp
+++ b/dbms/src/Client/Client.cpp
@ -336,7 +336,7 @@ private:
 				<< (!user.empty() ? " as user " + user : "")
 				<< "." << std::endl;

-		connection = new Connection(host, port, default_database, user, password, context.getDataTypeFactory(), "client", compression,
+		connection = new Connection(host, port, default_database, user, password, "client", compression,
 			Poco::Timespan(config().getInt("connect_timeout", DBMS_DEFAULT_CONNECT_TIMEOUT_SEC), 0),
 			Poco::Timespan(config().getInt("receive_timeout", DBMS_DEFAULT_RECEIVE_TIMEOUT_SEC), 0),
 			Poco::Timespan(config().getInt("send_timeout", DBMS_DEFAULT_SEND_TIMEOUT_SEC), 0));
@ -698,7 +698,7 @@ private:
 				current_format = insert->format;

 		BlockInputStreamPtr block_input = context.getFormatFactory().getInput(
-			current_format, buf, sample, insert_format_max_block_size, context.getDataTypeFactory());
+			current_format, buf, sample, insert_format_max_block_size);

 		BlockInputStreamPtr async_block_input = new AsynchronousBlockInputStream(block_input);

--- a/dbms/src/Client/Connection.cpp
+++ b/dbms/src/Client/Connection.cpp
@ -166,30 +166,30 @@ void Connection::forceConnected()

 struct PingTimeoutSetter
 {
-	PingTimeoutSetter(Poco::Net::StreamSocket & socket_, const Poco::Timespan & ping_timeout_) 
+	PingTimeoutSetter(Poco::Net::StreamSocket & socket_, const Poco::Timespan & ping_timeout_)
 	: socket(socket_), ping_timeout(ping_timeout_)
 	{
 		old_send_timeout = socket.getSendTimeout();
 		old_receive_timeout = socket.getReceiveTimeout();
-		
+
 		if (old_send_timeout > ping_timeout)
 			socket.setSendTimeout(ping_timeout);
 		if (old_receive_timeout > ping_timeout)
 			socket.setReceiveTimeout(ping_timeout);
 	}
-	
+
 	~PingTimeoutSetter()
 	{
 		socket.setSendTimeout(old_send_timeout);
 		socket.setReceiveTimeout(old_receive_timeout);
 	}
-	
+
 	Poco::Net::StreamSocket & socket;
 	Poco::Timespan ping_timeout;
 	Poco::Timespan old_send_timeout;
 	Poco::Timespan old_receive_timeout;
 };
-	
+
 bool Connection::ping()
 {
 	// LOG_TRACE(log_wrapper.get(), "Ping (" << getServerAddress() << ")");
@ -237,7 +237,7 @@ bool Connection::ping()
 void Connection::sendQuery(const String & query, const String & query_id_, UInt64 stage, const Settings * settings, bool with_pending_data)
 {
 	network_compression_method = settings ? settings->network_compression_method.value : CompressionMethod::LZ4;
-	
+
 	forceConnected();

 	query_id = query_id_;
@ -494,7 +494,7 @@ void Connection::initBlockInput()
 		else
 			maybe_compressed_in = in;

-		block_in = new NativeBlockInputStream(*maybe_compressed_in, data_type_factory, server_revision);
+		block_in = new NativeBlockInputStream(*maybe_compressed_in, server_revision);
 	}
 }

--- a/dbms/src/Core/NamesAndTypes.cpp
+++ b/dbms/src/Core/NamesAndTypes.cpp
@ -1,10 +1,14 @@
 #include <DB/Core/NamesAndTypes.h>
+#include <DB/DataTypes/DataTypeFactory.h>
+

 namespace DB
 {

-void NamesAndTypesList::readText(ReadBuffer & buf, const DataTypeFactory & data_type_factory)
+void NamesAndTypesList::readText(ReadBuffer & buf)
 {
+	const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 	DB::assertString("columns format version: 1\n", buf);
 	size_t count;
 	DB::readText(count, buf);
@ -45,11 +49,11 @@ String NamesAndTypesList::toString() const
 	return s;
 }

-NamesAndTypesList NamesAndTypesList::parse(const String & s, const DataTypeFactory & data_type_factory)
+NamesAndTypesList NamesAndTypesList::parse(const String & s)
 {
 	ReadBufferFromString in(s);
 	NamesAndTypesList res;
-	res.readText(in, data_type_factory);
+	res.readText(in);
 	assertEOF(in);
 	return res;
 }
--- a/dbms/src/DataStreams/FormatFactory.cpp
+++ b/dbms/src/DataStreams/FormatFactory.cpp
@ -25,10 +25,10 @@ namespace DB
 {

 BlockInputStreamPtr FormatFactory::getInput(const String & name, ReadBuffer & buf,
-	Block & sample, size_t max_block_size, const DataTypeFactory & data_type_factory) const
+	Block & sample, size_t max_block_size) const
 {
 	if (name == "Native")
-		return new NativeBlockInputStream(buf, data_type_factory);
+		return new NativeBlockInputStream(buf);
 	else if (name == "TabSeparated")
 		return new BlockInputStreamFromRowInputStream(new TabSeparatedRowInputStream(buf, sample), sample, max_block_size);
 	else if (name == "RowBinary")
--- a/dbms/src/DataStreams/MergeSortingBlockInputStream.cpp
+++ b/dbms/src/DataStreams/MergeSortingBlockInputStream.cpp
@ -65,7 +65,7 @@ Block MergeSortingBlockInputStream::readImpl()
 			/// Сформируем сортированные потоки для слияния.
 			for (const auto & file : temporary_files)
 			{
-				temporary_inputs.emplace_back(new TemporaryFileStream(file->path(), data_type_factory));
+				temporary_inputs.emplace_back(new TemporaryFileStream(file->path()));
 				inputs_to_merge.emplace_back(temporary_inputs.back()->block_in);
 			}

--- a/dbms/src/DataStreams/NativeBlockInputStream.cpp
+++ b/dbms/src/DataStreams/NativeBlockInputStream.cpp
@ -5,6 +5,7 @@

 #include <DB/Columns/ColumnArray.h>
 #include <DB/DataTypes/DataTypeArray.h>
+#include <DB/DataTypes/DataTypeFactory.h>

 #include <DB/DataStreams/NativeBlockInputStream.h>

@ -44,6 +45,8 @@ Block NativeBlockInputStream::readImpl()
 {
 	Block res;

+	const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 	if (istr.eof())
 		return res;

--- a/dbms/src/DataStreams/tests/native_streams.cpp
+++ b/dbms/src/DataStreams/tests/native_streams.cpp
@ -15,7 +15,6 @@
 #include <DB/DataTypes/DataTypeString.h>
 #include <DB/DataTypes/DataTypeFixedString.h>
 #include <DB/DataTypes/DataTypeDateTime.h>
-#include <DB/DataTypes/DataTypeFactory.h>

 #include <DB/DataStreams/NativeBlockInputStream.h>
 #include <DB/DataStreams/NativeBlockOutputStream.h>
@ -117,11 +116,9 @@ int main(int argc, char ** argv)
 		/// читаем данные из native файла и одновременно пишем в таблицу
 		if (argc == 2 && 0 == strcmp(argv[1], "write"))
 		{
-			DataTypeFactory factory;
-
 			ReadBufferFromFileDescriptor in1(STDIN_FILENO);
 			CompressedReadBuffer in2(in1);
-			NativeBlockInputStream in3(in2, factory, Revision::get());
+			NativeBlockInputStream in3(in2, Revision::get());
 			SharedPtr<IBlockOutputStream> out = table->write(0);
 			copyData(in3, *out);
 		}
--- a/dbms/src/DataStreams/tests/sorting_stream.cpp
+++ b/dbms/src/DataStreams/tests/sorting_stream.cpp
@ -148,11 +148,10 @@ int main(int argc, char ** argv)
 		sort_columns.push_back(SortColumnDescription(3, 1));

 		QueryProcessingStage::Enum stage;
-		DataTypeFactory data_type_factory;

 		Poco::SharedPtr<IBlockInputStream> in = table->read(column_names, 0, Context{}, Settings(), stage, argc == 2 ? atoi(argv[1]) : 1048576)[0];
 		in = new PartialSortingBlockInputStream(in, sort_columns);
-		in = new MergeSortingBlockInputStream(in, sort_columns, DEFAULT_BLOCK_SIZE, 0, 0, "", data_type_factory);
+		in = new MergeSortingBlockInputStream(in, sort_columns, DEFAULT_BLOCK_SIZE, 0, 0, "");
 		//in = new LimitBlockInputStream(in, 10);

 		WriteBufferFromOStream ob(std::cout);
--- a/dbms/src/Functions/FunctionsString.cpp
+++ b/dbms/src/Functions/FunctionsString.cpp
@ -20,6 +20,10 @@ void registerFunctionsString(FunctionFactory & factory)
 	factory.registerFunction<FunctionSubstring>();
 	factory.registerFunction<FunctionSubstringUTF8>();
 	factory.registerFunction<FunctionAppendTrailingCharIfAbsent>();
+	factory.registerFunction<FunctionSSELower>();
+	factory.registerFunction<FunctionSSEUpper>();
+	factory.registerFunction<FunctionSSELowerUTF8>();
+	factory.registerFunction<FunctionSSEUpperUTF8>();
 }

 }
--- a/dbms/src/Interpreters/Cluster.cpp
+++ b/dbms/src/Interpreters/Cluster.cpp
@ -47,7 +47,7 @@ namespace
 }


-Clusters::Clusters(const Settings & settings, const DataTypeFactory & data_type_factory, const String & config_name)
+Clusters::Clusters(const Settings & settings, const String & config_name)
 {
 	Poco::Util::AbstractConfiguration & config = Poco::Util::Application::instance().config();
 	Poco::Util::AbstractConfiguration::Keys config_keys;
@ -56,11 +56,11 @@ Clusters::Clusters(const Settings & settings, const DataTypeFactory & data_type_
 	for (Poco::Util::AbstractConfiguration::Keys::const_iterator it = config_keys.begin(); it != config_keys.end(); ++it)
 		impl.emplace(std::piecewise_construct,
 			std::forward_as_tuple(*it),
-			std::forward_as_tuple(settings, data_type_factory, config_name + "." + *it));
+			std::forward_as_tuple(settings, config_name + "." + *it));
 }


-Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_factory, const String & cluster_name)
+Cluster::Cluster(const Settings & settings, const String & cluster_name)
 {
 	Poco::Util::AbstractConfiguration & config = Poco::Util::Application::instance().config();
 	Poco::Util::AbstractConfiguration::Keys config_keys;
@ -179,7 +179,7 @@ Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_fa
 					replicas.emplace_back(new ConnectionPool(
 						settings.distributed_connections_pool_size,
 						replica.host_port.host().toString(), replica.host_port.port(), "", replica.user, replica.password,
-						data_type_factory, "server", Protocol::Compression::Enable,
+						"server", Protocol::Compression::Enable,
 						saturate(settings.connect_timeout_with_failover_ms, settings.limits.max_execution_time),
 						saturate(settings.receive_timeout, settings.limits.max_execution_time),
 						saturate(settings.send_timeout, settings.limits.max_execution_time)));
@ -205,7 +205,7 @@ Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_fa
 				pools.emplace_back(new ConnectionPool(
 					settings.distributed_connections_pool_size,
 					address.host_port.host().toString(), address.host_port.port(), "", address.user, address.password,
-					data_type_factory, "server", Protocol::Compression::Enable,
+					"server", Protocol::Compression::Enable,
 					saturate(settings.connect_timeout, settings.limits.max_execution_time),
 					saturate(settings.receive_timeout, settings.limits.max_execution_time),
 					saturate(settings.send_timeout, settings.limits.max_execution_time)));
@ -217,7 +217,7 @@ Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_fa
 }


-Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_factory, std::vector<std::vector<String>> names,
+Cluster::Cluster(const Settings & settings, std::vector<std::vector<String>> names,
 				 const String & username, const String & password)
 {
 	for (const auto & shard : names)
@ -238,7 +238,7 @@ Cluster::Cluster(const Settings & settings, const DataTypeFactory & data_type_fa
 			replicas.emplace_back(new ConnectionPool(
 				settings.distributed_connections_pool_size,
 				replica.host_port.host().toString(), replica.host_port.port(), "", replica.user, replica.password,
-				data_type_factory, "server", Protocol::Compression::Enable,
+				"server", Protocol::Compression::Enable,
 				saturate(settings.connect_timeout_with_failover_ms, settings.limits.max_execution_time),
 				saturate(settings.receive_timeout, settings.limits.max_execution_time),
 				saturate(settings.send_timeout, settings.limits.max_execution_time)));
--- a/dbms/src/Interpreters/Context.cpp
+++ b/dbms/src/Interpreters/Context.cpp
@ -13,7 +13,6 @@
 #include <DB/DataStreams/FormatFactory.h>
 #include <DB/AggregateFunctions/AggregateFunctionFactory.h>
 #include <DB/TableFunctions/TableFunctionFactory.h>
-#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/Storages/IStorage.h>
 #include <DB/Storages/MarkCache.h>
 #include <DB/Storages/MergeTree/BackgroundProcessingPool.h>
@ -72,7 +71,6 @@ struct ContextShared
 	Databases databases;									/// Список БД и таблиц в них.
 	TableFunctionFactory table_function_factory;			/// Табличные функции.
 	AggregateFunctionFactory aggregate_function_factory; 	/// Агрегатные функции.
-	DataTypeFactory data_type_factory;						/// Типы данных.
 	FormatFactory format_factory;							/// Форматы.
 	mutable SharedPtr<Dictionaries> dictionaries;			/// Словари Метрики. Инициализируются лениво.
 	mutable SharedPtr<ExternalDictionaries> external_dictionaries;
@ -155,7 +153,6 @@ Context::~Context() = default;

 const TableFunctionFactory & Context::getTableFunctionFactory() const			{ return shared->table_function_factory; }
 const AggregateFunctionFactory & Context::getAggregateFunctionFactory() const	{ return shared->aggregate_function_factory; }
-const DataTypeFactory & Context::getDataTypeFactory() const						{ return shared->data_type_factory; }
 const FormatFactory & Context::getFormatFactory() const							{ return shared->format_factory; }
 InterserverIOHandler & Context::getInterserverIOHandler()						{ return shared->interserver_io_handler; }
 Poco::Mutex & Context::getMutex() const 										{ return shared->mutex; }
@ -800,7 +797,7 @@ void Context::initClusters()
 {
 	Poco::ScopedLock<Poco::Mutex> lock(shared->mutex);
 	if (!shared->clusters)
-		shared->clusters = new Clusters(settings, shared->data_type_factory);
+		shared->clusters = new Clusters(settings);
 }

 Cluster & Context::getCluster(const std::string & cluster_name)
--- a/dbms/src/Interpreters/ExpressionAnalyzer.cpp
+++ b/dbms/src/Interpreters/ExpressionAnalyzer.cpp
@ -769,6 +769,7 @@ void ExpressionAnalyzer::addExternalStorage(ASTPtr & subquery_or_table_name)

 	external_tables[external_table_name] = external_storage;
 	subqueries_for_sets[external_table_name].source = interpreter->execute();
+	subqueries_for_sets[external_table_name].source_sample = interpreter->getSampleBlock();
 	subqueries_for_sets[external_table_name].table = external_storage;

 	/** NOTE Если было написано IN tmp_table - существующая временная (но не внешняя) таблица,
@ -842,6 +843,7 @@ void ExpressionAnalyzer::makeSet(ASTFunction * node, const Block & sample_block)
 		{
 			auto interpreter = interpretSubquery(arg, context, subquery_depth);
 			subquery_for_set.source = new LazyBlockInputStream([interpreter]() mutable { return interpreter->execute(); });
+			subquery_for_set.source_sample = interpreter->getSampleBlock();

 			/** Зачем используется LazyBlockInputStream?
 			  *
@ -1591,10 +1593,12 @@ bool ExpressionAnalyzer::appendJoin(ExpressionActionsChain & chain, bool only_ty
 		{
 			auto interpreter = interpretSubquery(ast_join.table, context, subquery_depth, required_joined_columns);
 			subquery_for_set.source = new LazyBlockInputStream([interpreter]() mutable { return interpreter->execute(); });
-			join->setSampleBlock(interpreter->getSampleBlock());
+			subquery_for_set.source_sample = interpreter->getSampleBlock();
 		}

+		/// TODO Это не нужно выставлять, когда JOIN нужен только на удалённых серверах.
 		subquery_for_set.join = join;
+		subquery_for_set.join->setSampleBlock(subquery_for_set.source_sample);
 	}

 	addJoinAction(step.actions, false);
--- a/dbms/src/Interpreters/InterpreterAlterQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterAlterQuery.cpp
@ -11,6 +11,7 @@
 #include <DB/IO/copyData.h>
 #include <DB/IO/ReadBufferFromFile.h>
 #include <DB/Common/escapeForFileName.h>
+#include <DB/DataTypes/DataTypeFactory.h>
 #include <DB/Parsers/formatAST.h>
 #include <DB/Parsers/parseQuery.h>

@ -35,7 +36,7 @@ void InterpreterAlterQuery::execute()

 	AlterCommands alter_commands;
 	PartitionCommands partition_commands;
-	parseAlter(alter.parameters, context.getDataTypeFactory(), alter_commands, partition_commands);
+	parseAlter(alter.parameters, alter_commands, partition_commands);

 	for (const PartitionCommand & command : partition_commands)
 	{
@ -71,9 +72,11 @@ void InterpreterAlterQuery::execute()
 }

 void InterpreterAlterQuery::parseAlter(
-	const ASTAlterQuery::ParameterContainer & params_container, const DataTypeFactory & data_type_factory,
+	const ASTAlterQuery::ParameterContainer & params_container,
 	AlterCommands & out_alter_commands, PartitionCommands & out_partition_commands)
 {
+	const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 	for (const auto & params : params_container)
 	{
 		if (params.type == ASTAlterQuery::ADD_COLUMN)
--- a/dbms/src/Interpreters/InterpreterCreateQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterCreateQuery.cpp
@ -25,9 +25,11 @@
 #include <DB/Interpreters/InterpreterSelectQuery.h>
 #include <DB/Interpreters/InterpreterCreateQuery.h>
 #include <DB/Interpreters/ExpressionAnalyzer.h>
+
 #include <DB/DataTypes/DataTypesNumberFixed.h>
 #include <DB/DataTypes/DataTypeNested.h>
 #include <DB/DataTypes/DataTypeFixedString.h>
+#include <DB/DataTypes/DataTypeFactory.h>


 namespace DB
@ -272,6 +274,8 @@ InterpreterCreateQuery::ColumnsAndDefaults InterpreterCreateQuery::parseColumns(
 	ASTPtr default_expr_list{new ASTExpressionList};
 	default_expr_list->children.reserve(column_list_ast.children.size());

+	const DataTypeFactory & data_type_factory = DataTypeFactory::instance();
+
 	for (auto & ast : column_list_ast.children)
 	{
 		auto & col_decl = typeid_cast<ASTColumnDeclaration &>(*ast);
@ -280,7 +284,7 @@ InterpreterCreateQuery::ColumnsAndDefaults InterpreterCreateQuery::parseColumns(
 		{
 			const auto & type_range = col_decl.type->range;
 			columns.emplace_back(col_decl.name,
-				context.getDataTypeFactory().get({ type_range.first, type_range.second }));
+				data_type_factory.get({ type_range.first, type_range.second }));
 		}
 		else
 			/// we're creating dummy DataTypeUInt8 in order to prevent the NullPointerException in ExpressionActions
--- a/dbms/src/Interpreters/InterpreterInsertQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterInsertQuery.cpp
@ -114,8 +114,7 @@ void InterpreterInsertQuery::execute(ReadBuffer * remaining_data_istr)

 		BlockInputStreamPtr in{
 			context.getFormatFactory().getInput(
-				format, istr, sample, context.getSettings().max_insert_block_size,
-				context.getDataTypeFactory())};
+				format, istr, sample, context.getSettings().max_insert_block_size)};

 		copyData(*in, *out);
 	}
--- a/dbms/src/Interpreters/InterpreterSelectQuery.cpp
+++ b/dbms/src/Interpreters/InterpreterSelectQuery.cpp
@ -887,7 +887,7 @@ void InterpreterSelectQuery::executeOrder(BlockInputStreams & streams)
 	/// Сливаем сортированные блоки.
 	stream = new MergeSortingBlockInputStream(
 		stream, order_descr, settings.max_block_size, limit,
-		settings.limits.max_bytes_before_external_sort, context.getTemporaryPath(), context.getDataTypeFactory());
+		settings.limits.max_bytes_before_external_sort, context.getTemporaryPath());
 }


--- a/dbms/src/Interpreters/tests/expression_analyzer.cpp
+++ b/dbms/src/Interpreters/tests/expression_analyzer.cpp
@ -3,6 +3,7 @@
 #include <DB/Parsers/formatAST.h>
 #include <DB/Parsers/parseQuery.h>
 #include <DB/Parsers/ExpressionListParsers.h>
+#include <DB/DataTypes/DataTypeFactory.h>


 int main(int argc, char ** argv)
@ -25,7 +26,7 @@ int main(int argc, char ** argv)
 	{
 		NameAndTypePair col;
 		col.name = argv[i];
-		col.type = context.getDataTypeFactory().get(argv[i + 1]);
+		col.type = DataTypeFactory::instance().get(argv[i + 1]);
 		columns.push_back(col);
 	}

--- a/dbms/src/Parsers/ExpressionListParsers.cpp
+++ b/dbms/src/Parsers/ExpressionListParsers.cpp
@ -375,6 +375,37 @@ bool ParserPrefixUnaryOperatorExpression::parseImpl(Pos & pos, Pos end, ASTPtr &

 	ws.ignore(pos, end);

+	/// Позволяем парсить цепочки вида NOT NOT x. Это хак.
+	/** Так сделано, потому что среди унарных операторов есть только минус и NOT.
+	  * Но для минуса цепочку из унарных операторов не требуется поддерживать.
+	  */
+	if (it[0] && 0 == strncmp(it[0], "NOT", 3))
+	{
+		/// Было ли чётное количество NOT.
+		bool even = false;
+
+		const char ** jt;
+		while (true)
+		{
+			for (jt = operators; *jt; jt += 2)
+			{
+				ParserString op(jt[0], true, true);
+				if (op.ignore(pos, end, max_parsed_pos, expected))
+					break;
+			}
+
+			if (!*jt)
+				break;
+
+			even = !even;
+
+			ws.ignore(pos, end);
+		}
+
+		if (even)
+			it = jt;	/// Зануляем результат парсинга первого NOT. Получается, как будто цепочки NOT нет вообще.
+	}
+
 	ASTPtr elem;
 	if (!elem_parser->parse(pos, end, elem, max_parsed_pos, expected))
 		return false;
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@ -606,7 +606,6 @@ void TCPHandler::initBlockInput()

 		state.block_in = new NativeBlockInputStream(
 			*state.maybe_compressed_in,
-			query_context.getDataTypeFactory(),
 			client_revision);
 	}
 }
--- a/dbms/src/Storages/ColumnsDescription.cpp
+++ b/dbms/src/Storages/ColumnsDescription.cpp
@ -1,6 +1,7 @@
 #include <DB/Parsers/ExpressionListParsers.h>
 #include <DB/IO/WriteBufferFromString.h>
 #include <DB/Storages/ColumnsDescription.h>
+#include <DB/DataTypes/DataTypeFactory.h>


 namespace DB
@ -50,7 +51,7 @@ String ColumnsDescription<store>::toString() const


 template <>
-ColumnsDescription<true> ColumnsDescription<true>::parse(const String & str, const DataTypeFactory & data_type_factory)
+ColumnsDescription<true> ColumnsDescription<true>::parse(const String & str)
 {
 	ReadBufferFromString buf{str};

@ -60,6 +61,7 @@ ColumnsDescription<true> ColumnsDescription<true>::parse(const String & str, con
 	assertString(" columns:\n", buf);

 	ParserTernaryOperatorExpression expr_parser;
+	const DataTypeFactory & data_type_factory = DataTypeFactory::instance();

 	ColumnsDescription<true> result{};
 	for (size_t i = 0; i < count; ++i)
--- a/dbms/src/Storages/MergeTree/MergeTreeData.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeData.cpp
@ -1037,7 +1037,7 @@ MergeTreeData::MutableDataPartPtr MergeTreeData::loadPartAndFixMetadata(const St
 		MergeTreePartChecker::Settings settings;
 		settings.setIndexGranularity(index_granularity);
 		settings.setRequireColumnFiles(true);
-		MergeTreePartChecker::checkDataPart(full_path + relative_path, settings, context.getDataTypeFactory(), &part->checksums);
+		MergeTreePartChecker::checkDataPart(full_path + relative_path, settings, primary_key_sample, &part->checksums);

 		{
 			WriteBufferFromFile out(full_path + relative_path + "/checksums.txt.tmp", 4096);
--- a/dbms/src/Storages/MergeTree/MergeTreePartChecker.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreePartChecker.cpp
@ -249,8 +249,11 @@ static size_t checkColumn(const String & path, const String & name, DataTypePtr
 	}
 }

-void MergeTreePartChecker::checkDataPart(String path, const Settings & settings, const DataTypeFactory & data_type_factory,
-										 MergeTreeData::DataPart::Checksums * out_checksums)
+void MergeTreePartChecker::checkDataPart(
+	String path,
+	const Settings & settings,
+	const Block & primary_key_sample,
+	MergeTreeData::DataPart::Checksums * out_checksums)
 {
 	if (!path.empty() && path.back() != '/')
 		path += "/";
@ -262,7 +265,7 @@ void MergeTreePartChecker::checkDataPart(String path, const Settings & settings,

 	{
 		ReadBufferFromFile buf(path + "columns.txt");
-		columns.readText(buf, data_type_factory);
+		columns.readText(buf);
 		assertEOF(buf);
 	}

@ -275,12 +278,30 @@ void MergeTreePartChecker::checkDataPart(String path, const Settings & settings,

 	/// Реальные чексуммы по содержимому данных. Их несоответствие checksums_txt будет говорить о битых данных.
 	MergeTreeData::DataPart::Checksums checksums_data;
-	size_t primary_idx_size;

+	size_t marks_in_primary_key = 0;
 	{
 		ReadBufferFromFile file_buf(path + "primary.idx");
 		HashingReadBuffer hashing_buf(file_buf);
-		primary_idx_size = hashing_buf.tryIgnore(std::numeric_limits<size_t>::max());
+
+		if (primary_key_sample)
+		{
+			Field tmp_field;
+			size_t key_size = primary_key_sample.columns();
+			while (!hashing_buf.eof())
+			{
+				++marks_in_primary_key;
+				for (size_t j = 0; j < key_size; ++j)
+					primary_key_sample.unsafeGetByPosition(j).type->deserializeBinary(tmp_field, hashing_buf);
+			}
+		}
+		else
+		{
+			hashing_buf.tryIgnore(std::numeric_limits<size_t>::max());
+		}
+
+		size_t primary_idx_size = hashing_buf.count();
+
 		checksums_data.files["primary.idx"] = MergeTreeData::DataPart::Checksums::Checksum(primary_idx_size, hashing_buf.getHash());
 	}

@ -345,9 +366,17 @@ void MergeTreePartChecker::checkDataPart(String path, const Settings & settings,
 	if (rows == Stream::UNKNOWN)
 		throw Exception("No columns", ErrorCodes::EMPTY_LIST_OF_COLUMNS_PASSED);

-	if (primary_idx_size % ((rows - 1) / settings.index_granularity + 1))
-		throw Exception("primary.idx size (" + toString(primary_idx_size) + ") not divisible by number of marks ("
-			+ toString(rows) + "/" + toString(settings.index_granularity) + " rounded up)", ErrorCodes::CORRUPTED_DATA);
+	if (primary_key_sample)
+	{
+		const size_t expected_marks = (rows - 1) / settings.index_granularity + 1;
+		if (expected_marks != marks_in_primary_key)
+			throw Exception("Size of primary key doesn't match expected number of marks."
+				" Number of rows in columns: " + toString(rows)
+				+ ", index_granularity: " + toString(settings.index_granularity)
+				+ ", expected number of marks: " + toString(expected_marks)
+				+ ", size of primary key: " + toString(marks_in_primary_key),
+				ErrorCodes::CORRUPTED_DATA);
+	}

 	if (settings.require_checksums || !checksums_txt.files.empty())
 		checksums_txt.checkEqual(checksums_data, true);
--- a/dbms/src/Storages/StorageReplicatedMergeTree.cpp
+++ b/dbms/src/Storages/StorageReplicatedMergeTree.cpp
@ -268,8 +268,7 @@ void StorageReplicatedMergeTree::checkTableStructure(bool skip_sanity_checks, bo
 	assertEOF(buf);

 	zkutil::Stat stat;
-	auto columns_desc = ColumnsDescription<true>::parse(
-		zookeeper->get(zookeeper_path + "/columns", &stat), context.getDataTypeFactory());
+	auto columns_desc = ColumnsDescription<true>::parse(zookeeper->get(zookeeper_path + "/columns", &stat));

 	auto & columns = columns_desc.columns;
 	auto & materialized_columns = columns_desc.materialized;
@ -1459,7 +1458,7 @@ void StorageReplicatedMergeTree::alterThread()

 			zkutil::Stat stat;
 			const String columns_str = zookeeper->get(zookeeper_path + "/columns", &stat, alter_thread_event);
-			auto columns_desc = ColumnsDescription<true>::parse(columns_str, context.getDataTypeFactory());
+			auto columns_desc = ColumnsDescription<true>::parse(columns_str);

 			auto & columns = columns_desc.columns;
 			auto & materialized_columns = columns_desc.materialized;
@ -1809,7 +1808,7 @@ void StorageReplicatedMergeTree::partCheckThread()
 						zk_checksums.checkEqual(part->checksums, true);

 						auto zk_columns = NamesAndTypesList::parse(
-							zookeeper->get(replica_path + "/parts/" + part_name + "/columns"), context.getDataTypeFactory());
+							zookeeper->get(replica_path + "/parts/" + part_name + "/columns"));
 						if (part->columns != zk_columns)
 							throw Exception("Columns of local part " + part_name + " are different from ZooKeeper");

@ -1818,7 +1817,7 @@ void StorageReplicatedMergeTree::partCheckThread()
 						settings.setRequireChecksums(true);
 						settings.setRequireColumnFiles(true);
 						MergeTreePartChecker::checkDataPart(
-							data.getFullPath() + part_name, settings, context.getDataTypeFactory());
+							data.getFullPath() + part_name, settings, data.primary_key_sample);

 						LOG_INFO(log, "Part " << part_name << " looks good.");
 					}
--- a/dbms/src/Storages/StorageSet.cpp
+++ b/dbms/src/Storages/StorageSet.cpp
@ -87,8 +87,6 @@ void StorageSetOrJoinBase::restore()
 	constexpr auto file_suffix = ".bin";
 	constexpr auto file_suffix_size = strlen(file_suffix);

-	DataTypeFactory data_type_factory;
-
 	Poco::DirectoryIterator dir_end;
 	for (Poco::DirectoryIterator dir_it(path); dir_end != dir_it; ++dir_it)
 	{
@ -104,17 +102,17 @@ void StorageSetOrJoinBase::restore()
 			if (file_num > increment)
 				increment = file_num;

-			restoreFromFile(dir_it->path(), data_type_factory);
+			restoreFromFile(dir_it->path());
 		}
 	}
 }


-void StorageSetOrJoinBase::restoreFromFile(const String & file_path, const DataTypeFactory & data_type_factory)
+void StorageSetOrJoinBase::restoreFromFile(const String & file_path)
 {
 	ReadBufferFromFile backup_buf(file_path);
 	CompressedReadBuffer compressed_backup_buf(backup_buf);
-	NativeBlockInputStream backup_stream(compressed_backup_buf, data_type_factory);
+	NativeBlockInputStream backup_stream(compressed_backup_buf);

 	backup_stream.readPrefix();
 	while (Block block = backup_stream.read())
--- a/dbms/src/Storages/tests/part_checker.cpp
+++ b/dbms/src/Storages/tests/part_checker.cpp
@ -4,6 +4,8 @@

 int main(int argc, char ** argv)
 {
+	using namespace DB;
+
 	Poco::AutoPtr<Poco::ConsoleChannel> channel = new Poco::ConsoleChannel(std::cerr);
 	Logger::root().setChannel(channel);
 	Logger::root().setLevel("trace");
@ -16,18 +18,18 @@ int main(int argc, char ** argv)

 	try
 	{
-		DB::MergeTreePartChecker::Settings settings;
+		MergeTreePartChecker::Settings settings;
 		if (argc == 4)
-			settings.setIndexGranularity(DB::parse<size_t>(argv[3]));
+			settings.setIndexGranularity(parse<size_t>(argv[3]));
 		settings.setRequireChecksums(argv[2][0] == '1');
 		settings.setRequireColumnFiles(argv[2][0] == '1');
 		settings.setVerbose(true);

-		DB::MergeTreePartChecker::checkDataPart(argv[1], settings, DB::DataTypeFactory());
+		MergeTreePartChecker::checkDataPart(argv[1], settings, Block());
 	}
 	catch (...)
 	{
-		DB::tryLogCurrentException(__PRETTY_FUNCTION__);
+		tryLogCurrentException(__PRETTY_FUNCTION__);
 		throw;
 	}

--- a/dbms/tests/queries/0_stateless/00161_rounding_functions.reference
+++ b/dbms/tests/queries/0_stateless/00161_rounding_functions.reference
@ -458,16 +458,16 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-16	-6	-16
-16	-6	-16
-16	-6	-16
-16	-6	-16
-13	-6	-16
-13	-6	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 0	0	0
 0	0	0
 -13	-13	-13
@ -499,18 +499,18 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-16	-6	-16
-16	-6	-16
-16	-6	-16
-16	-6	-16
-13	-6	-16
-13	-6	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
@ -540,18 +540,18 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-16	-6	-16
-16	-6	-16
-16	-6	-16
-16	-6	-16
-13	-6	-16
-13	-6	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
@ -581,18 +581,18 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-16	-6	-16
-16	-6	-16
-16	-6	-16
-16	-6	-16
-13	-6	-16
-13	-6	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
-16	84	-16
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
@ -622,18 +622,18 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-13	0	0
-13	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
@ -663,18 +663,18 @@
 -13	-13	-13
 -13	-13	-13
 -13	-13	-13
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-13	0	0
-13	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-0	0	0
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-10	-20	-10
+-13	-20	-10
+-13	-20	-10
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
+0	-100	0
 2.72	2.72	2.71
 2.72	2.72	2.71
 2.72	2.72	2.71
@ -745,12 +745,12 @@
 -3	-2	-3
 -3	-2	-3
 -3	-2	-3
-0	0	0
-0	0	0
-0	0	0
-0	0	0
-2.7	0	0
-2.7	0	0
+0	-10	0
+0	-10	0
+0	-10	0
+0	-10	0
+-2.7	-10	0
+-2.7	-10	0
 0	0	0
 0	0	0
 0	0	0
--- a/dbms/tests/queries/0_stateless/00162_global_join.reference
+++ b/dbms/tests/queries/0_stateless/00162_global_join.reference
@ -0,0 +1,2 @@
+2	6	Hello
+2	6	Hello
--- a/dbms/tests/queries/0_stateless/00162_global_join.sql
+++ b/dbms/tests/queries/0_stateless/00162_global_join.sql
@ -0,0 +1 @@
+SELECT toFloat64(dummy + 2) AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.one) GLOBAL ANY LEFT JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 10) USING n LIMIT 10;
--- a/dbms/tests/queries/0_stateless/00163_join_with_empty_table.reference
+++ b/dbms/tests/queries/0_stateless/00163_join_with_empty_table.reference
@ -0,0 +1,20 @@
+0	0	0	
+1	0.5	0	
+2	1	0	
+3	1.5	0	
+4	2	0	
+5	2.5	0	
+6	3	0	
+7	3.5	0	
+8	4	0	
+9	4.5	0	
+0	0	0	
+1	0.5	0	
+2	1	0	
+3	1.5	0	
+4	2	0	
+5	2.5	0	
+6	3	0	
+7	3.5	0	
+8	4	0	
+9	4.5	0	
--- a/dbms/tests/queries/0_stateless/00163_join_with_empty_table.sql
+++ b/dbms/tests/queries/0_stateless/00163_join_with_empty_table.sql
@ -0,0 +1,4 @@
+SELECT number, number / 2 AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.numbers) ANY LEFT JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 0) USING n LIMIT 10;
+SELECT dummy + 2 AS number, number / 2 AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.one) ANY INNER JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 0) USING n LIMIT 10;
+SELECT number, number / 2 AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.numbers) GLOBAL ANY LEFT JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 0) USING n LIMIT 10;
+SELECT dummy + 2 AS number, number / 2 AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.one) GLOBAL ANY INNER JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 0) USING n LIMIT 10;
--- a/dbms/tests/queries/0_stateless/00164_not_chain.reference
+++ b/dbms/tests/queries/0_stateless/00164_not_chain.reference
@ -0,0 +1,5 @@
+0
+1
+0
+1
+0
--- a/dbms/tests/queries/0_stateless/00164_not_chain.sql
+++ b/dbms/tests/queries/0_stateless/00164_not_chain.sql
@ -0,0 +1,5 @@
+SELECT NOT 1;
+SELECT NOT NOT 1;
+SELECT NOT NOT NOT 1;
+SELECT NOT NOT NOT NOT 1 = 1;
+SELECT NOT NOT not NoT NOT 1 = 1;
--- a/libs/libzkutil/include/zkutil/KeeperException.h
+++ b/libs/libzkutil/include/zkutil/KeeperException.h
@ -2,21 +2,26 @@
 #include <statdaemons/Exception.h>
 #include <zkutil/Types.h>
 #include <DB/Common/ProfileEvents.h>
-
+#include <DB/Core/ErrorCodes.h>

 namespace zkutil
 {

 class KeeperException : public DB::Exception
 {
+private:
+	/// delegate constructor, used to minimize repetition; last parameter used for overload resolution
+	KeeperException(const std::string & msg, const int32_t code, int)
+		: DB::Exception(msg, DB::ErrorCodes::KEEPER_EXCEPTION), code(code) { incrementEventCounter(); }
+
 public:
-	KeeperException(const std::string & msg) : DB::Exception(msg), code(ZOK) { incrementEventCounter(); }
-	KeeperException(const std::string & msg, int32_t code_)
-		: DB::Exception(msg + " (" + zerror(code_) + ")"), code(code_) { incrementEventCounter(); }
-	KeeperException(int32_t code_)
-		: DB::Exception(zerror(code_)), code(code_) { incrementEventCounter(); }
-	KeeperException(int32_t code_, const std::string & path_)
-		: DB::Exception(std::string(zerror(code_)) + ", path: " + path_), code(code_) { incrementEventCounter(); }
+	KeeperException(const std::string & msg) : KeeperException(msg, ZOK, 0) {}
+	KeeperException(const std::string & msg, const int32_t code)
+		: KeeperException(msg + " (" + zerror(code) + ")", code, 0) {}
+	KeeperException(const int32_t code) : KeeperException(zerror(code), code, 0) {}
+	KeeperException(const int32_t code, const std::string & path)
+		: KeeperException(std::string{zerror(code)} + ", path: " + path, code, 0) {}
+
 	KeeperException(const KeeperException & exc) : DB::Exception(exc), code(exc.code) { incrementEventCounter(); }

 	const char * name() const throw() { return "zkutil::KeeperException"; }
@ -26,12 +31,13 @@ public:
 	/// при этих ошибках надо переинициализировать сессию с zookeeper
 	bool isUnrecoverable() const
 	{
-		return code == ZINVALIDSTATE || code == ZSESSIONEXPIRED;
+		return code == ZINVALIDSTATE || code == ZSESSIONEXPIRED || code == ZSESSIONMOVED;
 	}
-	int32_t code;
+
+	const int32_t code;

 private:
-	void incrementEventCounter()
+	static void incrementEventCounter()
 	{
 		ProfileEvents::increment(ProfileEvents::ZooKeeperExceptions);
 	}
				`@ -0,0 +1 @@`
				`SELECT toFloat64(dummy + 2) AS n, j1, j2 FROM remote('127.0.0.{2,3}', system.one) GLOBAL ANY LEFT JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 10) USING n LIMIT 10;`