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Merge branch 'master' into tests/issue_36894

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Denny Crane 2023-06-28 19:53:04 -03:00 committed by GitHub
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1
README.md
View File

@ -27,6 +27,7 @@ curl https://clickhouse.com/ | sh
* [**ClickHouse Meetup in Boston**](https://www.meetup.com/clickhouse-boston-user-group/events/293913596) - Jul 18
* [**ClickHouse Meetup in NYC**](https://www.meetup.com/clickhouse-new-york-user-group/events/293913441) - Jul 19
* [**ClickHouse Meetup in Toronto**](https://www.meetup.com/clickhouse-toronto-user-group/events/294183127) - Jul 20
* [**ClickHouse Meetup in Singapore**](https://www.meetup.com/clickhouse-singapore-meetup-group/events/294428050/) - Jul 27
Also, keep an eye out for upcoming meetups around the world. Somewhere else you want us to be? Please feel free to reach out to tyler <at> clickhouse <dot> com.

28
base/base/IPv4andIPv6.h
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@ -2,21 +2,23 @@
#include <base/strong_typedef.h>
#include <base/extended_types.h>
#include <Common/formatIPv6.h>
#include <Common/memcmpSmall.h>
namespace DB
{
using IPv4 = StrongTypedef<UInt32, struct IPv4Tag>;
struct IPv4 : StrongTypedef<UInt32, struct IPv4Tag>
{
using StrongTypedef::StrongTypedef;
using StrongTypedef::operator=;
constexpr explicit IPv4(UInt64 value): StrongTypedef(static_cast<UnderlyingType>(value)) {}
};
struct IPv6 : StrongTypedef<UInt128, struct IPv6Tag>
{
constexpr IPv6() = default;
constexpr explicit IPv6(const UInt128 & x) : StrongTypedef(x) {}
constexpr explicit IPv6(UInt128 && x) : StrongTypedef(std::move(x)) {}
IPv6 & operator=(const UInt128 & rhs) { StrongTypedef::operator=(rhs); return *this; }
IPv6 & operator=(UInt128 && rhs) { StrongTypedef::operator=(std::move(rhs)); return *this; }
using StrongTypedef::StrongTypedef;
using StrongTypedef::operator=;
bool operator<(const IPv6 & rhs) const
{
@ -54,12 +56,22 @@ namespace DB
namespace std
{
/// For historical reasons we hash IPv6 as a FixedString(16)
template <>
struct hash<DB::IPv6>
{
size_t operator()(const DB::IPv6 & x) const
{
return std::hash<DB::IPv6::UnderlyingType>()(x.toUnderType());
return std::hash<std::string_view>{}(std::string_view(reinterpret_cast<const char*>(&x.toUnderType()), IPV6_BINARY_LENGTH));
}
};
template <>
struct hash<DB::IPv4>
{
size_t operator()(const DB::IPv4 & x) const
{
return std::hash<DB::IPv4::UnderlyingType>()(x.toUnderType());
}
};
}

6
base/base/bit_cast.h
View File

@ -7,7 +7,13 @@
/** Returns value `from` converted to type `To` while retaining bit representation.
* `To` and `From` must satisfy `CopyConstructible`.
*
* In contrast to std::bit_cast can cast types of different width.
*
* Note: for signed types of narrower size, the casted result is zero-extended
* instead of sign-extended as with regular static_cast.
* For example, -1 Int8 (represented as 0xFF) bit_casted to UInt64
* gives 255 (represented as 0x00000000000000FF) instead of 0xFFFFFFFFFFFFFFFF
*/
template <typename To, typename From>
std::decay_t<To> bit_cast(const From & from)

53
base/poco/NetSSL_OpenSSL/include/Poco/Net/ConsoleCertificateHandler.h
View File

@ -1,53 +0,0 @@
//
// ConsoleCertificateHandler.h
//
// Library: NetSSL_OpenSSL
// Package: SSLCore
// Module: ConsoleCertificateHandler
//
// Definition of the ConsoleCertificateHandler class.
//
// Copyright (c) 2006-2009, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef NetSSL_ConsoleCertificateHandler_INCLUDED
#define NetSSL_ConsoleCertificateHandler_INCLUDED
#include "Poco/Net/InvalidCertificateHandler.h"
#include "Poco/Net/NetSSL.h"
namespace Poco
{
namespace Net
{
class NetSSL_API ConsoleCertificateHandler : public InvalidCertificateHandler
/// A ConsoleCertificateHandler is invoked whenever an error occurs verifying the certificate.
///
/// The certificate is printed to stdout and the user is asked via console if he wants to accept it.
{
public:
ConsoleCertificateHandler(bool handleErrorsOnServerSide);
/// Creates the ConsoleCertificateHandler.
virtual ~ConsoleCertificateHandler();
/// Destroys the ConsoleCertificateHandler.
void onInvalidCertificate(const void * pSender, VerificationErrorArgs & errorCert);
/// Prints the certificate to stdout and waits for user input on the console
/// to decide if a certificate should be accepted/rejected.
};
}
} // namespace Poco::Net
#endif // NetSSL_ConsoleCertificateHandler_INCLUDED

6
base/poco/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h
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@ -85,7 +85,7 @@ namespace Net
/// </options>
/// </privateKeyPassphraseHandler>
/// <invalidCertificateHandler>
/// <name>ConsoleCertificateHandler</name>
/// <name>RejectCertificateHandler</name>
/// </invalidCertificateHandler>
/// <cacheSessions>true|false</cacheSessions>
/// <sessionIdContext>someString</sessionIdContext> <!-- server only -->
@ -186,7 +186,7 @@ namespace Net
///
/// Valid initialization code would be:
/// SharedPtr<PrivateKeyPassphraseHandler> pConsoleHandler = new KeyConsoleHandler;
/// SharedPtr<InvalidCertificateHandler> pInvalidCertHandler = new ConsoleCertificateHandler;
/// SharedPtr<InvalidCertificateHandler> pInvalidCertHandler = new RejectCertificateHandler;
/// Context::Ptr pContext = new Context(Context::SERVER_USE, "any.pem", "any.pem", "rootcert.pem", Context::VERIFY_RELAXED, 9, false, "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
/// SSLManager::instance().initializeServer(pConsoleHandler, pInvalidCertHandler, pContext);
@ -203,7 +203,7 @@ namespace Net
///
/// Valid initialization code would be:
/// SharedPtr<PrivateKeyPassphraseHandler> pConsoleHandler = new KeyConsoleHandler;
/// SharedPtr<InvalidCertificateHandler> pInvalidCertHandler = new ConsoleCertificateHandler;
/// SharedPtr<InvalidCertificateHandler> pInvalidCertHandler = new RejectCertificateHandler;
/// Context::Ptr pContext = new Context(Context::CLIENT_USE, "", "", "rootcert.pem", Context::VERIFY_RELAXED, 9, false, "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
/// SSLManager::instance().initializeClient(pConsoleHandler, pInvalidCertHandler, pContext);

2
base/poco/NetSSL_OpenSSL/src/CertificateHandlerFactoryMgr.cpp
View File

@ -13,7 +13,6 @@
#include "Poco/Net/CertificateHandlerFactoryMgr.h"
#include "Poco/Net/ConsoleCertificateHandler.h"
#include "Poco/Net/AcceptCertificateHandler.h"
#include "Poco/Net/RejectCertificateHandler.h"
@ -24,7 +23,6 @@ namespace Net {
CertificateHandlerFactoryMgr::CertificateHandlerFactoryMgr()
{
setFactory("ConsoleCertificateHandler", new CertificateHandlerFactoryImpl<ConsoleCertificateHandler>());
setFactory("AcceptCertificateHandler", new CertificateHandlerFactoryImpl<AcceptCertificateHandler>());
setFactory("RejectCertificateHandler", new CertificateHandlerFactoryImpl<RejectCertificateHandler>());
}

53
base/poco/NetSSL_OpenSSL/src/ConsoleCertificateHandler.cpp
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@ -1,53 +0,0 @@
//
// ConsoleCertificateHandler.cpp
//
// Library: NetSSL_OpenSSL
// Package: SSLCore
// Module: ConsoleCertificateHandler
//
// Copyright (c) 2006-2009, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/ConsoleCertificateHandler.h"
#include <iostream>
namespace Poco {
namespace Net {
ConsoleCertificateHandler::ConsoleCertificateHandler(bool server): InvalidCertificateHandler(server)
{
}
ConsoleCertificateHandler::~ConsoleCertificateHandler()
{
}
void ConsoleCertificateHandler::onInvalidCertificate(const void*, VerificationErrorArgs& errorCert)
{
const X509Certificate& aCert = errorCert.certificate();
std::cout << "\n";
std::cout << "WARNING: Certificate verification failed\n";
std::cout << "----------------------------------------\n";
std::cout << "Issuer Name: " << aCert.issuerName() << "\n";
std::cout << "Subject Name: " << aCert.subjectName() << "\n\n";
std::cout << "The certificate yielded the error: " << errorCert.errorMessage() << "\n\n";
std::cout << "The error occurred in the certificate chain at position " << errorCert.errorDepth() << "\n";
std::cout << "Accept the certificate (y,n)? ";
char c = 0;
std::cin >> c;
if (c == 'y' || c == 'Y')
errorCert.setIgnoreError(true);
else
errorCert.setIgnoreError(false);
}
} } // namespace Poco::Net

2
base/poco/NetSSL_OpenSSL/src/SSLManager.cpp
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@ -46,7 +46,7 @@ const std::string SSLManager::CFG_PREFER_SERVER_CIPHERS("preferServerCiphers");
const std::string SSLManager::CFG_DELEGATE_HANDLER("privateKeyPassphraseHandler.name");
const std::string SSLManager::VAL_DELEGATE_HANDLER("KeyConsoleHandler");
const std::string SSLManager::CFG_CERTIFICATE_HANDLER("invalidCertificateHandler.name");
const std::string SSLManager::VAL_CERTIFICATE_HANDLER("ConsoleCertificateHandler");
const std::string SSLManager::VAL_CERTIFICATE_HANDLER("RejectCertificateHandler");
const std::string SSLManager::CFG_SERVER_PREFIX("openSSL.server.");
const std::string SSLManager::CFG_CLIENT_PREFIX("openSSL.client.");
const std::string SSLManager::CFG_CACHE_SESSIONS("cacheSessions");

4
contrib/CMakeLists.txt vendored
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@ -146,7 +146,7 @@ add_contrib (amqpcpp-cmake AMQP-CPP) # requires: libuv
add_contrib (cassandra-cmake cassandra) # requires: libuv
if (NOT OS_DARWIN)
add_contrib (curl-cmake curl)
add_contrib (azure-cmake azure)
add_contrib (azure-cmake azure) # requires: curl
add_contrib (sentry-native-cmake sentry-native) # requires: curl
endif()
add_contrib (fmtlib-cmake fmtlib)
@ -157,7 +157,7 @@ add_contrib (librdkafka-cmake librdkafka) # requires: libgsasl
add_contrib (nats-io-cmake nats-io)
add_contrib (isa-l-cmake isa-l)
add_contrib (libhdfs3-cmake libhdfs3) # requires: google-protobuf, krb5, isa-l
add_contrib (hive-metastore-cmake hive-metastore) # requires: thrift/avro/arrow/libhdfs3
add_contrib (hive-metastore-cmake hive-metastore) # requires: thrift, avro, arrow, libhdfs3
add_contrib (cppkafka-cmake cppkafka)
add_contrib (libpqxx-cmake libpqxx)
add_contrib (libpq-cmake libpq)

10
contrib/arrow-cmake/CMakeLists.txt
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@ -31,12 +31,12 @@ endif()
set (CMAKE_CXX_STANDARD 17)
set(ARROW_VERSION "6.0.1")
set(ARROW_VERSION "11.0.0")
string(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+" ARROW_BASE_VERSION "${ARROW_VERSION}")
set(ARROW_VERSION_MAJOR "6")
set(ARROW_VERSION_MAJOR "11")
set(ARROW_VERSION_MINOR "0")
set(ARROW_VERSION_PATCH "1")
set(ARROW_VERSION_PATCH "0")
if(ARROW_VERSION_MAJOR STREQUAL "0")
# Arrow 0.x.y => SO version is "x", full SO version is "x.y.0"
@ -514,6 +514,10 @@ if (SANITIZE STREQUAL "undefined")
target_compile_options(_arrow PRIVATE -fno-sanitize=undefined)
endif ()
# Define Thrift version for parquet (we use 0.16.0)
add_definitions(-DPARQUET_THRIFT_VERSION_MAJOR=0)
add_definitions(-DPARQUET_THRIFT_VERSION_MINOR=16)
# === tools
set(TOOLS_DIR "${ClickHouse_SOURCE_DIR}/contrib/arrow/cpp/tools/parquet")

2
contrib/azure-cmake/CMakeLists.txt
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@ -1,6 +1,6 @@
option (ENABLE_AZURE_BLOB_STORAGE "Enable Azure blob storage" ${ENABLE_LIBRARIES})
if (NOT ENABLE_AZURE_BLOB_STORAGE OR BUILD_STANDALONE_KEEPER OR OS_FREEBSD OR (NOT ARCH_AMD64))
if (NOT ENABLE_AZURE_BLOB_STORAGE OR BUILD_STANDALONE_KEEPER OR OS_FREEBSD)
message(STATUS "Not using Azure blob storage")
return()
endif()

4
contrib/libhdfs3-cmake/CMakeLists.txt
View File

@ -1,11 +1,11 @@
if(NOT ARCH_AARCH64 AND NOT OS_FREEBSD AND NOT APPLE AND NOT ARCH_PPC64LE AND NOT ARCH_S390X)
if(NOT OS_FREEBSD AND NOT APPLE AND NOT ARCH_PPC64LE AND NOT ARCH_S390X)
option(ENABLE_HDFS "Enable HDFS" ${ENABLE_LIBRARIES})
elseif(ENABLE_HDFS)
message (${RECONFIGURE_MESSAGE_LEVEL} "Cannot use HDFS3 with current configuration")
endif()
if(NOT ENABLE_HDFS)
message(STATUS "Not using hdfs")
message(STATUS "Not using HDFS")
return()
endif()

2
docker/packager/binary/Dockerfile
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@ -89,7 +89,7 @@ RUN arch=${TARGETARCH:-amd64} \
&& dpkg -i /tmp/nfpm.deb \
&& rm /tmp/nfpm.deb
ARG GO_VERSION=1.19.5
ARG GO_VERSION=1.19.10
# We need go for clickhouse-diagnostics
RUN arch=${TARGETARCH:-amd64} \
&& curl -Lo /tmp/go.tgz "https://go.dev/dl/go${GO_VERSION}.linux-${arch}.tar.gz" \

68
docker/server/Dockerfile.ubuntu
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@ -1,4 +1,4 @@
FROM ubuntu:22.04
FROM ubuntu:20.04
# see https://github.com/moby/moby/issues/4032#issuecomment-192327844
ARG DEBIAN_FRONTEND=noninteractive
@ -11,17 +11,18 @@ RUN sed -i "s|http://archive.ubuntu.com|${apt_archive}|g" /etc/apt/sources.list
&& apt-get update \
&& apt-get upgrade -yq \
&& apt-get install --yes --no-install-recommends \
apt-transport-https \
ca-certificates \
dirmngr \
gnupg2 \
wget \
locales \
tzdata \
&& apt-get clean
wget \
&& apt-get clean \
&& rm -rf \
/var/lib/apt/lists/* \
/var/cache/debconf \
/tmp/*
ARG REPO_CHANNEL="stable"
ARG REPOSITORY="deb https://packages.clickhouse.com/deb ${REPO_CHANNEL} main"
ARG REPOSITORY="deb [signed-by=/usr/share/keyrings/clickhouse-keyring.gpg] https://packages.clickhouse.com/deb ${REPO_CHANNEL} main"
ARG VERSION="23.5.3.24"
ARG PACKAGES="clickhouse-client clickhouse-server clickhouse-common-static"
@ -43,49 +44,68 @@ ARG single_binary_location_url=""
ARG TARGETARCH
RUN arch=${TARGETARCH:-amd64} \
# install from a web location with deb packages
RUN arch="${TARGETARCH:-amd64}" \
&& if [ -n "${deb_location_url}" ]; then \
echo "installing from custom url with deb packages: ${deb_location_url}" \
rm -rf /tmp/clickhouse_debs \
&& rm -rf /tmp/clickhouse_debs \
&& mkdir -p /tmp/clickhouse_debs \
&& for package in ${PACKAGES}; do \
{ wget --progress=bar:force:noscroll "${deb_location_url}/${package}_${VERSION}_${arch}.deb" -P /tmp/clickhouse_debs || \
wget --progress=bar:force:noscroll "${deb_location_url}/${package}_${VERSION}_all.deb" -P /tmp/clickhouse_debs ; } \
|| exit 1 \
; done \
&& dpkg -i /tmp/clickhouse_debs/*.deb ; \
elif [ -n "${single_binary_location_url}" ]; then \
&& dpkg -i /tmp/clickhouse_debs/*.deb \
&& rm -rf /tmp/* ; \
fi
# install from a single binary
RUN if [ -n "${single_binary_location_url}" ]; then \
echo "installing from single binary url: ${single_binary_location_url}" \
&& rm -rf /tmp/clickhouse_binary \
&& mkdir -p /tmp/clickhouse_binary \
&& wget --progress=bar:force:noscroll "${single_binary_location_url}" -O /tmp/clickhouse_binary/clickhouse \
&& chmod +x /tmp/clickhouse_binary/clickhouse \
&& /tmp/clickhouse_binary/clickhouse install --user "clickhouse" --group "clickhouse" ; \
else \
mkdir -p /etc/apt/sources.list.d \
&& apt-key adv --keyserver keyserver.ubuntu.com --recv 8919F6BD2B48D754 \
&& echo ${REPOSITORY} > /etc/apt/sources.list.d/clickhouse.list \
&& /tmp/clickhouse_binary/clickhouse install --user "clickhouse" --group "clickhouse" \
&& rm -rf /tmp/* ; \
fi
# A fallback to installation from ClickHouse repository
RUN if ! clickhouse local -q "SELECT ''" > /dev/null 2>&1; then \
apt-get update \
&& apt-get install --yes --no-install-recommends \
apt-transport-https \
ca-certificates \
dirmngr \
gnupg2 \
&& mkdir -p /etc/apt/sources.list.d \
&& GNUPGHOME=$(mktemp -d) \
&& GNUPGHOME="$GNUPGHOME" gpg --no-default-keyring \
--keyring /usr/share/keyrings/clickhouse-keyring.gpg \
--keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 8919F6BD2B48D754 \
&& rm -r "$GNUPGHOME" \
&& chmod +r /usr/share/keyrings/clickhouse-keyring.gpg \
&& echo "${REPOSITORY}" > /etc/apt/sources.list.d/clickhouse.list \
&& echo "installing from repository: ${REPOSITORY}" \
&& apt-get update \
&& apt-get --yes -o "Dpkg::Options::=--force-confdef" -o "Dpkg::Options::=--force-confold" upgrade \
&& for package in ${PACKAGES}; do \
packages="${packages} ${package}=${VERSION}" \
; done \
&& apt-get install --allow-unauthenticated --yes --no-install-recommends ${packages} || exit 1 \
; fi \
&& clickhouse-local -q 'SELECT * FROM system.build_options' \
&& rm -rf \
/var/lib/apt/lists/* \
/var/cache/debconf \
/tmp/* \
&& mkdir -p /var/lib/clickhouse /var/log/clickhouse-server /etc/clickhouse-server /etc/clickhouse-client \
&& chmod ugo+Xrw -R /var/lib/clickhouse /var/log/clickhouse-server /etc/clickhouse-server /etc/clickhouse-client
RUN apt-get autoremove --purge -yq libksba8 && \
apt-get autoremove -yq
&& apt-get autoremove --purge -yq libksba8 \
&& apt-get autoremove -yq \
; fi
# post install
# we need to allow "others" access to clickhouse folder, because docker container
# can be started with arbitrary uid (openshift usecase)
RUN clickhouse-local -q 'SELECT * FROM system.build_options' \
&& mkdir -p /var/lib/clickhouse /var/log/clickhouse-server /etc/clickhouse-server /etc/clickhouse-client \
&& chmod ugo+Xrw -R /var/lib/clickhouse /var/log/clickhouse-server /etc/clickhouse-server /etc/clickhouse-client
RUN locale-gen en_US.UTF-8
ENV LANG en_US.UTF-8

1
docker/server/README.md
View File

@ -20,7 +20,6 @@ For more information and documentation see https://clickhouse.com/.
- The amd64 image requires support for [SSE3 instructions](https://en.wikipedia.org/wiki/SSE3). Virtually all x86 CPUs after 2005 support SSE3.
- The arm64 image requires support for the [ARMv8.2-A architecture](https://en.wikipedia.org/wiki/AArch64#ARMv8.2-A). Most ARM CPUs after 2017 support ARMv8.2-A. A notable exception is Raspberry Pi 4 from 2019 whose CPU only supports ARMv8.0-A.
- Since the Clickhouse 23.3 Ubuntu image started using `ubuntu:22.04` as its base image, it requires docker version >= `20.10.10`, or use `docker run -- privileged` instead. Alternatively, try the Clickhouse Alpine image.
## How to use this image

13
docker/test/performance-comparison/compare.sh
View File

@ -14,6 +14,13 @@ LEFT_SERVER_PORT=9001
# patched version
RIGHT_SERVER_PORT=9002
# abort_conf -- abort if some options is not recognized
# abort -- abort if something is not right in the env (i.e. per-cpu arenas does not work)
# narenas -- set them explicitly to avoid disabling per-cpu arena in env
# that returns different number of CPUs for some of the following
# _SC_NPROCESSORS_ONLN/_SC_NPROCESSORS_CONF/sched_getaffinity
export MALLOC_CONF="abort_conf:true,abort:true,narenas:$(nproc --all)"
function wait_for_server # port, pid
{
for _ in {1..60}
@ -109,10 +116,6 @@ function restart
while pkill -f clickhouse-serv ; do echo . ; sleep 1 ; done
echo all killed
# Change the jemalloc settings here.
# https://github.com/jemalloc/jemalloc/wiki/Getting-Started
export MALLOC_CONF="confirm_conf:true"
set -m # Spawn servers in their own process groups
local left_server_opts=(
@ -147,8 +150,6 @@ function restart
set +m
unset MALLOC_CONF
wait_for_server $LEFT_SERVER_PORT $left_pid
echo left ok

4
docker/test/util/process_functional_tests_result.py
View File

@ -86,7 +86,7 @@ def process_test_log(log_path, broken_tests):
test_name,
"NOT_FAILED",
test_time,
["This test passed. Update broken_tests.txt.\n"],
["This test passed. Update analyzer_tech_debt.txt.\n"],
)
)
else:
@ -205,7 +205,7 @@ if __name__ == "__main__":
parser.add_argument("--in-results-dir", default="/test_output/")
parser.add_argument("--out-results-file", default="/test_output/test_results.tsv")
parser.add_argument("--out-status-file", default="/test_output/check_status.tsv")
parser.add_argument("--broken-tests", default="/broken_tests.txt")
parser.add_argument("--broken-tests", default="/analyzer_tech_debt.txt")
args = parser.parse_args()
broken_tests = list()

19
docs/changelogs/v23.3.5.9-lts.md Normal file
View File

@ -0,0 +1,19 @@
---
sidebar_position: 1
sidebar_label: 2023
---
# 2023 Changelog
### ClickHouse release v23.3.5.9-lts (f5fbc2fd2b3) FIXME as compared to v23.3.4.17-lts (2c99b73ff40)
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix broken index analysis when binary operator contains a null constant argument [#50177](https://github.com/ClickHouse/ClickHouse/pull/50177) ([Amos Bird](https://github.com/amosbird)).
* Cleanup moving parts [#50489](https://github.com/ClickHouse/ClickHouse/pull/50489) ([vdimir](https://github.com/vdimir)).
* Do not apply projection if read-in-order was enabled. [#50923](https://github.com/ClickHouse/ClickHouse/pull/50923) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Increase max array size in group bitmap [#50620](https://github.com/ClickHouse/ClickHouse/pull/50620) ([Kruglov Pavel](https://github.com/Avogar)).

19
docs/changelogs/v23.3.6.7-lts.md Normal file
View File

@ -0,0 +1,19 @@
---
sidebar_position: 1
sidebar_label: 2023
---
# 2023 Changelog
### ClickHouse release v23.3.6.7-lts (7e3f0a271b7) FIXME as compared to v23.3.5.9-lts (f5fbc2fd2b3)
#### Improvement
* Backported in [#51240](https://github.com/ClickHouse/ClickHouse/issues/51240): Improve the progress bar for file/s3/hdfs/url table functions by using chunk size from source data and using incremental total size counting in each thread. Fix the progress bar for *Cluster functions. This closes [#47250](https://github.com/ClickHouse/ClickHouse/issues/47250). [#51088](https://github.com/ClickHouse/ClickHouse/pull/51088) ([Kruglov Pavel](https://github.com/Avogar)).
#### Build/Testing/Packaging Improvement
* Backported in [#51529](https://github.com/ClickHouse/ClickHouse/issues/51529): Split huge `RUN` in Dockerfile into smaller conditional. Install the necessary tools on demand in the same `RUN` layer, and remove them after that. Upgrade the OS only once at the beginning. Use a modern way to check the signed repository. Downgrade the base repo to ubuntu:20.04 to address the issues on older docker versions. Upgrade golang version to address golang vulnerabilities. [#51504](https://github.com/ClickHouse/ClickHouse/pull/51504) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
#### Bug Fix (user-visible misbehavior in an official stable release)
* Fix type of LDAP server params hash in cache entry [#50865](https://github.com/ClickHouse/ClickHouse/pull/50865) ([Julian Maicher](https://github.com/jmaicher)).

2
docs/en/engines/table-engines/integrations/ExternalDistributed.md
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@ -1,6 +1,6 @@
---
slug: /en/engines/table-engines/integrations/ExternalDistributed
sidebar_position: 12
sidebar_position: 55
sidebar_label: ExternalDistributed
title: ExternalDistributed
---

1
docs/en/engines/table-engines/integrations/azureBlobStorage.md
View File

@ -1,5 +1,6 @@
---
slug: /en/engines/table-engines/integrations/azureBlobStorage
sidebar_position: 10
sidebar_label: Azure Blob Storage
---

1
docs/en/engines/table-engines/integrations/deltalake.md
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@ -1,5 +1,6 @@
---
slug: /en/engines/table-engines/integrations/deltalake
sidebar_position: 40
sidebar_label: DeltaLake
---

2
docs/en/engines/table-engines/integrations/embedded-rocksdb.md
View File

@ -1,6 +1,6 @@
---
slug: /en/engines/table-engines/integrations/embedded-rocksdb
sidebar_position: 9
sidebar_position: 50
sidebar_label: EmbeddedRocksDB
---

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@ -8,30 +8,7 @@ sidebar_label: S3
This engine provides integration with [Amazon S3](https://aws.amazon.com/s3/) ecosystem. This engine is similar to the [HDFS](../../../engines/table-engines/special/file.md#table_engines-hdfs) engine, but provides S3-specific features.
## Create Table {#creating-a-table}
``` sql
CREATE TABLE s3_engine_table (name String, value UInt32)
ENGINE = S3(path [, NOSIGN | aws_access_key_id, aws_secret_access_key,] format, [compression])
[PARTITION BY expr]
[SETTINGS ...]
```
**Engine parameters**
- `path` — Bucket url with path to file. Supports following wildcards in readonly mode: `*`, `?`, `{abc,def}` and `{N..M}` where `N`, `M` — numbers, `'abc'`, `'def'` — strings. For more information see [below](#wildcards-in-path).
- `NOSIGN` - If this keyword is provided in place of credentials, all the requests will not be signed.
- `format` — The [format](../../../interfaces/formats.md#formats) of the file.
- `aws_access_key_id`, `aws_secret_access_key` - Long-term credentials for the [AWS](https://aws.amazon.com/) account user. You can use these to authenticate your requests. Parameter is optional. If credentials are not specified, they are used from the configuration file. For more information see [Using S3 for Data Storage](../mergetree-family/mergetree.md#table_engine-mergetree-s3).
- `compression` — Compression type. Supported values: `none`, `gzip/gz`, `brotli/br`, `xz/LZMA`, `zstd/zst`. Parameter is optional. By default, it will auto-detect compression by file extension.
### PARTITION BY
`PARTITION BY` — Optional. In most cases you don't need a partition key, and if it is needed you generally don't need a partition key more granular than by month. Partitioning does not speed up queries (in contrast to the ORDER BY expression). You should never use too granular partitioning. Don't partition your data by client identifiers or names (instead, make client identifier or name the first column in the ORDER BY expression).
For partitioning by month, use the `toYYYYMM(date_column)` expression, where `date_column` is a column with a date of the type [Date](/docs/en/sql-reference/data-types/date.md). The partition names here have the `"YYYYMM"` format.
**Example**
## Example
``` sql
CREATE TABLE s3_engine_table (name String, value UInt32)
@ -49,6 +26,135 @@ SELECT * FROM s3_engine_table LIMIT 2;
│ two │ 2 │
└──────┴───────┘
```
## Create Table {#creating-a-table}
``` sql
CREATE TABLE s3_engine_table (name String, value UInt32)
ENGINE = S3(path [, NOSIGN | aws_access_key_id, aws_secret_access_key,] format, [compression])
[PARTITION BY expr]
[SETTINGS ...]
```
### Engine parameters
- `path` — Bucket url with path to file. Supports following wildcards in readonly mode: `*`, `?`, `{abc,def}` and `{N..M}` where `N`, `M` — numbers, `'abc'`, `'def'` — strings. For more information see [below](#wildcards-in-path).
- `NOSIGN` - If this keyword is provided in place of credentials, all the requests will not be signed.
- `format` — The [format](../../../interfaces/formats.md#formats) of the file.
- `aws_access_key_id`, `aws_secret_access_key` - Long-term credentials for the [AWS](https://aws.amazon.com/) account user. You can use these to authenticate your requests. Parameter is optional. If credentials are not specified, they are used from the configuration file. For more information see [Using S3 for Data Storage](../mergetree-family/mergetree.md#table_engine-mergetree-s3).
- `compression` — Compression type. Supported values: `none`, `gzip/gz`, `brotli/br`, `xz/LZMA`, `zstd/zst`. Parameter is optional. By default, it will auto-detect compression by file extension.
### PARTITION BY
`PARTITION BY` — Optional. In most cases you don't need a partition key, and if it is needed you generally don't need a partition key more granular than by month. Partitioning does not speed up queries (in contrast to the ORDER BY expression). You should never use too granular partitioning. Don't partition your data by client identifiers or names (instead, make client identifier or name the first column in the ORDER BY expression).
For partitioning by month, use the `toYYYYMM(date_column)` expression, where `date_column` is a column with a date of the type [Date](/docs/en/sql-reference/data-types/date.md). The partition names here have the `"YYYYMM"` format.
### Querying partitioned data
This example uses the [docker compose recipe](https://github.com/ClickHouse/examples/tree/5fdc6ff72f4e5137e23ea075c88d3f44b0202490/docker-compose-recipes/recipes/ch-and-minio-S3), which integrates ClickHouse and MinIO. You should be able to reproduce the same queries using S3 by replacing the endpoint and authentication values.
Notice that the S3 endpoint in the `ENGINE` configuration uses the parameter token `{_partition_id}` as part of the S3 object (filename), and that the SELECT queries select against those resulting object names (e.g., `test_3.csv`).
:::note
As shown in the example, querying from S3 tables that are partitioned is
not directly supported at this time, but can be accomplished by querying the bucket contents with a wildcard.
The primary use-case for writing
partitioned data in S3 is to enable transferring that data into another
ClickHouse system (for example, moving from on-prem systems to ClickHouse
Cloud). Because ClickHouse datasets are often very large, and network
reliability is sometimes imperfect it makes sense to transfer datasets
in subsets, hence partitioned writes.
:::
#### Create the table
```sql
CREATE TABLE p
(
`column1` UInt32,
`column2` UInt32,
`column3` UInt32
)
ENGINE = S3(
# highlight-next-line
'http://minio:10000/clickhouse//test_{_partition_id}.csv',
'minioadmin',
'minioadminpassword',
'CSV')
PARTITION BY column3
```
#### Insert data
```sql
insert into p values (1, 2, 3), (3, 2, 1), (78, 43, 45)
```
#### Select from partition 3
:::tip
This query uses the s3 table function
:::
```sql
SELECT *
FROM s3('http://minio:10000/clickhouse//test_3.csv', 'minioadmin', 'minioadminpassword', 'CSV')
```
```response
┌─c1─┬─c2─┬─c3─┐
│ 1 │ 2 │ 3 │
└────┴────┴────┘
```
#### Select from partition 1
```sql
SELECT *
FROM s3('http://minio:10000/clickhouse//test_1.csv', 'minioadmin', 'minioadminpassword', 'CSV')
```
```response
┌─c1─┬─c2─┬─c3─┐
│ 3 │ 2 │ 1 │
└────┴────┴────┘
```
#### Select from partition 45
```sql
SELECT *
FROM s3('http://minio:10000/clickhouse//test_45.csv', 'minioadmin', 'minioadminpassword', 'CSV')
```
```response
┌─c1─┬─c2─┬─c3─┐
│ 78 │ 43 │ 45 │
└────┴────┴────┘
```
#### Select from all partitions
```sql
SELECT *
FROM s3('http://minio:10000/clickhouse//**', 'minioadmin', 'minioadminpassword', 'CSV')
```
```response
┌─c1─┬─c2─┬─c3─┐
│ 3 │ 2 │ 1 │
└────┴────┴────┘
┌─c1─┬─c2─┬─c3─┐
│ 1 │ 2 │ 3 │
└────┴────┴────┘
┌─c1─┬─c2─┬─c3─┐
│ 78 │ 43 │ 45 │
└────┴────┴────┘
```
You may naturally try to `Select * from p`, but as noted above, this query will fail; use the preceding query.
```sql
SELECT * FROM p
```
```response
Received exception from server (version 23.4.1):
Code: 48. DB::Exception: Received from localhost:9000. DB::Exception: Reading from a partitioned S3 storage is not implemented yet. (NOT_IMPLEMENTED)
```
## Virtual columns {#virtual-columns}
- `_path` — Path to the file.

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@ -1298,8 +1298,8 @@ For output it uses the following correspondence between ClickHouse types and BSO
| [Tuple](/docs/en/sql-reference/data-types/tuple.md) | `\x04` array |
| [Named Tuple](/docs/en/sql-reference/data-types/tuple.md) | `\x03` document |
| [Map](/docs/en/sql-reference/data-types/map.md) | `\x03` document |
| [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `\x10` int32 |
| [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `\x05` binary, `\x00` binary subtype |
| [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `\x10` int32 |
| [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `\x05` binary, `\x00` binary subtype |
For input it uses the following correspondence between BSON types and ClickHouse types:
@ -1309,7 +1309,7 @@ For input it uses the following correspondence between BSON types and ClickHouse
| `\x02` string | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md) |
| `\x03` document | [Map](/docs/en/sql-reference/data-types/map.md)/[Named Tuple](/docs/en/sql-reference/data-types/tuple.md) |
| `\x04` array | [Array](/docs/en/sql-reference/data-types/array.md)/[Tuple](/docs/en/sql-reference/data-types/tuple.md) |
| `\x05` binary, `\x00` binary subtype | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md)/[IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) |
| `\x05` binary, `\x00` binary subtype | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md)/[IPv6](/docs/en/sql-reference/data-types/ipv6.md) |
| `\x05` binary, `\x02` old binary subtype | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md) |
| `\x05` binary, `\x03` old uuid subtype | [UUID](/docs/en/sql-reference/data-types/uuid.md) |
| `\x05` binary, `\x04` uuid subtype | [UUID](/docs/en/sql-reference/data-types/uuid.md) |
@ -1319,7 +1319,7 @@ For input it uses the following correspondence between BSON types and ClickHouse
| `\x0A` null value | [NULL](/docs/en/sql-reference/data-types/nullable.md) |
| `\x0D` JavaScript code | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md) |
| `\x0E` symbol | [String](/docs/en/sql-reference/data-types/string.md)/[FixedString](/docs/en/sql-reference/data-types/fixedstring.md) |
| `\x10` int32 | [Int32/UInt32](/docs/en/sql-reference/data-types/int-uint.md)/[Decimal32](/docs/en/sql-reference/data-types/decimal.md)/[IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md)/[Enum8/Enum16](/docs/en/sql-reference/data-types/enum.md) |
| `\x10` int32 | [Int32/UInt32](/docs/en/sql-reference/data-types/int-uint.md)/[Decimal32](/docs/en/sql-reference/data-types/decimal.md)/[IPv4](/docs/en/sql-reference/data-types/ipv4.md)/[Enum8/Enum16](/docs/en/sql-reference/data-types/enum.md) |
| `\x12` int64 | [Int64/UInt64](/docs/en/sql-reference/data-types/int-uint.md)/[Decimal64](/docs/en/sql-reference/data-types/decimal.md)/[DateTime64](/docs/en/sql-reference/data-types/datetime64.md) |
Other BSON types are not supported. Also, it performs conversion between different integer types (for example, you can insert BSON int32 value into ClickHouse UInt8).
@ -1669,8 +1669,8 @@ The table below shows supported data types and how they match ClickHouse [data t
| `ENUM` | [Enum(8/16)](/docs/en/sql-reference/data-types/enum.md) | `ENUM` |
| `LIST` | [Array](/docs/en/sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](/docs/en/sql-reference/data-types/tuple.md) | `STRUCT` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `UINT32` |
| `DATA` | [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `DATA` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `UINT32` |
| `DATA` | [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `DATA` |
| `DATA` | [Int128/UInt128/Int256/UInt256](/docs/en/sql-reference/data-types/int-uint.md) | `DATA` |
| `DATA` | [Decimal128/Decimal256](/docs/en/sql-reference/data-types/decimal.md) | `DATA` |
| `STRUCT(entries LIST(STRUCT(key Key, value Value)))` | [Map](/docs/en/sql-reference/data-types/map.md) | `STRUCT(entries LIST(STRUCT(key Key, value Value)))` |
@ -1872,8 +1872,8 @@ The table below shows supported data types and how they match ClickHouse [data t
| `long (timestamp-millis)` \** | [DateTime64(3)](/docs/en/sql-reference/data-types/datetime.md) | `long (timestamp-millis)` \** |
| `long (timestamp-micros)` \** | [DateTime64(6)](/docs/en/sql-reference/data-types/datetime.md) | `long (timestamp-micros)` \** |
| `bytes (decimal)` \** | [DateTime64(N)](/docs/en/sql-reference/data-types/datetime.md) | `bytes (decimal)` \** |
| `int` | [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `int` |
| `fixed(16)` | [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `fixed(16)` |
| `int` | [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `int` |
| `fixed(16)` | [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `fixed(16)` |
| `bytes (decimal)` \** | [Decimal(P, S)](/docs/en/sql-reference/data-types/decimal.md) | `bytes (decimal)` \** |
| `string (uuid)` \** | [UUID](/docs/en/sql-reference/data-types/uuid.md) | `string (uuid)` \** |
| `fixed(16)` | [Int128/UInt128](/docs/en/sql-reference/data-types/int-uint.md) | `fixed(16)` |
@ -2026,8 +2026,8 @@ The table below shows supported data types and how they match ClickHouse [data t
| `LIST` | [Array](/docs/en/sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](/docs/en/sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](/docs/en/sql-reference/data-types/map.md) | `MAP` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `UINT32` |
| `FIXED_LENGTH_BYTE_ARRAY`, `BINARY` | [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `FIXED_LENGTH_BYTE_ARRAY` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `UINT32` |
| `FIXED_LENGTH_BYTE_ARRAY`, `BINARY` | [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `FIXED_LENGTH_BYTE_ARRAY` |
| `FIXED_LENGTH_BYTE_ARRAY`, `BINARY` | [Int128/UInt128/Int256/UInt256](/docs/en/sql-reference/data-types/int-uint.md) | `FIXED_LENGTH_BYTE_ARRAY` |
Arrays can be nested and can have a value of the `Nullable` type as an argument. `Tuple` and `Map` types also can be nested.
@ -2229,8 +2229,8 @@ The table below shows supported data types and how they match ClickHouse [data t
| `LIST` | [Array](/docs/en/sql-reference/data-types/array.md) | `LIST` |
| `STRUCT` | [Tuple](/docs/en/sql-reference/data-types/tuple.md) | `STRUCT` |
| `MAP` | [Map](/docs/en/sql-reference/data-types/map.md) | `MAP` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `UINT32` |
| `FIXED_SIZE_BINARY`, `BINARY` | [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `FIXED_SIZE_BINARY` |
| `UINT32` | [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `UINT32` |
| `FIXED_SIZE_BINARY`, `BINARY` | [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `FIXED_SIZE_BINARY` |
| `FIXED_SIZE_BINARY`, `BINARY` | [Int128/UInt128/Int256/UInt256](/docs/en/sql-reference/data-types/int-uint.md) | `FIXED_SIZE_BINARY` |
Arrays can be nested and can have a value of the `Nullable` type as an argument. `Tuple` and `Map` types also can be nested.
@ -2297,7 +2297,7 @@ The table below shows supported data types and how they match ClickHouse [data t
| `Struct` | [Tuple](/docs/en/sql-reference/data-types/tuple.md) | `Struct` |
| `Map` | [Map](/docs/en/sql-reference/data-types/map.md) | `Map` |
| `Int` | [IPv4](/docs/en/sql-reference/data-types/int-uint.md) | `Int` |
| `Binary` | [IPv6](/docs/en/sql-reference/data-types/domains/ipv6.md) | `Binary` |
| `Binary` | [IPv6](/docs/en/sql-reference/data-types/ipv6.md) | `Binary` |
| `Binary` | [Int128/UInt128/Int256/UInt256](/docs/en/sql-reference/data-types/int-uint.md) | `Binary` |
| `Binary` | [Decimal256](/docs/en/sql-reference/data-types/decimal.md) | `Binary` |
@ -2454,18 +2454,22 @@ In this format, all input data is read to a single value. It is possible to pars
The result is output in binary format without delimiters and escaping. If more than one value is output, the format is ambiguous, and it will be impossible to read the data back.
Below is a comparison of the formats `RawBLOB` and [TabSeparatedRaw](#tabseparatedraw).
`RawBLOB`:
- data is output in binary format, no escaping;
- there are no delimiters between values;
- no newline at the end of each value.
[TabSeparatedRaw] (#tabseparatedraw):
`TabSeparatedRaw`:
- data is output without escaping;
- the rows contain values separated by tabs;
- there is a line feed after the last value in every row.
The following is a comparison of the `RawBLOB` and [RowBinary](#rowbinary) formats.
`RawBLOB`:
- String fields are output without being prefixed by length.
`RowBinary`:
- String fields are represented as length in varint format (unsigned [LEB128] (https://en.wikipedia.org/wiki/LEB128)), followed by the bytes of the string.
@ -2510,7 +2514,7 @@ ClickHouse supports reading and writing [MessagePack](https://msgpack.org/) data
| `uint 64` | [DateTime64](/docs/en/sql-reference/data-types/datetime.md) | `uint 64` |
| `fixarray`, `array 16`, `array 32` | [Array](/docs/en/sql-reference/data-types/array.md)/[Tuple](/docs/en/sql-reference/data-types/tuple.md) | `fixarray`, `array 16`, `array 32` |
| `fixmap`, `map 16`, `map 32` | [Map](/docs/en/sql-reference/data-types/map.md) | `fixmap`, `map 16`, `map 32` |
| `uint 32` | [IPv4](/docs/en/sql-reference/data-types/domains/ipv4.md) | `uint 32` |
| `uint 32` | [IPv4](/docs/en/sql-reference/data-types/ipv4.md) | `uint 32` |
| `bin 8` | [String](/docs/en/sql-reference/data-types/string.md) | `bin 8` |
| `int 8` | [Enum8](/docs/en/sql-reference/data-types/enum.md) | `int 8` |
| `bin 8` | [(U)Int128/(U)Int256](/docs/en/sql-reference/data-types/int-uint.md) | `bin 8` |

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---
slug: /en/operations/optimizing-performance/
sidebar_label: Optimizing Performance
sidebar_position: 52
---
# Optimizing Performance
- [Sampling query profiler](../../operations/optimizing-performance/sampling-query-profiler.md)

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@ -1602,7 +1602,7 @@ Keys for server/client settings:
- requireTLSv1_2 (default: false) – Require a TLSv1.2 connection. Acceptable values: `true`, `false`.
- fips (default: false) – Activates OpenSSL FIPS mode. Supported if the library’s OpenSSL version supports FIPS.
- privateKeyPassphraseHandler (default: `KeyConsoleHandler`)– Class (PrivateKeyPassphraseHandler subclass) that requests the passphrase for accessing the private key. For example: `<privateKeyPassphraseHandler>`, `<name>KeyFileHandler</name>`, `<options><password>test</password></options>`, `</privateKeyPassphraseHandler>`.
- invalidCertificateHandler (default: `ConsoleCertificateHandler`) – Class (a subclass of CertificateHandler) for verifying invalid certificates. For example: `<invalidCertificateHandler> <name>ConsoleCertificateHandler</name> </invalidCertificateHandler>` .
- invalidCertificateHandler (default: `RejectCertificateHandler`) – Class (a subclass of CertificateHandler) for verifying invalid certificates. For example: `<invalidCertificateHandler> <name>RejectCertificateHandler</name> </invalidCertificateHandler>` .
- disableProtocols (default: "") – Protocols that are not allowed to use.
- preferServerCiphers (default: false) – Preferred server ciphers on the client.
@ -1975,6 +1975,10 @@ The time zone is necessary for conversions between String and DateTime formats w
<timezone>Asia/Istanbul</timezone>
```
**See also**
- [session_timezone](../settings/settings.md#session_timezone)
## tcp_port {#server_configuration_parameters-tcp_port}
Port for communicating with clients over the TCP protocol.

63
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@ -4251,6 +4251,69 @@ Default value: `0`.
Use this setting only for backward compatibility if your use cases depend on old syntax.
:::
## session_timezone {#session_timezone}
Sets the implicit time zone of the current session or query.
The implicit time zone is the time zone applied to values of type DateTime/DateTime64 which have no explicitly specified time zone.
The setting takes precedence over the globally configured (server-level) implicit time zone.
A value of '' (empty string) means that the implicit time zone of the current session or query is equal to the [server time zone](../server-configuration-parameters/settings.md#server_configuration_parameters-timezone).
You can use functions `timeZone()` and `serverTimeZone()` to get the session time zone and server time zone.
Possible values:
- Any time zone name from `system.time_zones`, e.g. `Europe/Berlin`, `UTC` or `Zulu`
Default value: `''`.
Examples:
```sql
SELECT timeZone(), serverTimeZone() FORMAT TSV
Europe/Berlin Europe/Berlin
```
```sql
SELECT timeZone(), serverTimeZone() SETTINGS session_timezone = 'Asia/Novosibirsk' FORMAT TSV
Asia/Novosibirsk Europe/Berlin
```
Assign session time zone 'America/Denver' to the inner DateTime without explicitly specified time zone:
```sql
SELECT toDateTime64(toDateTime64('1999-12-12 23:23:23.123', 3), 3, 'Europe/Zurich') SETTINGS session_timezone = 'America/Denver' FORMAT TSV
1999-12-13 07:23:23.123
```
:::warning
Not all functions that parse DateTime/DateTime64 respect `session_timezone`. This can lead to subtle errors.
See the following example and explanation.
:::
```sql
CREATE TABLE test_tz (`d` DateTime('UTC')) ENGINE = Memory AS SELECT toDateTime('2000-01-01 00:00:00', 'UTC');
SELECT *, timeZone() FROM test_tz WHERE d = toDateTime('2000-01-01 00:00:00') SETTINGS session_timezone = 'Asia/Novosibirsk'
0 rows in set.
SELECT *, timeZone() FROM test_tz WHERE d = '2000-01-01 00:00:00' SETTINGS session_timezone = 'Asia/Novosibirsk'
┌───────────────────d─┬─timeZone()───────┐
│ 2000-01-01 00:00:00 │ Asia/Novosibirsk │
└─────────────────────┴──────────────────┘
```
This happens due to different parsing pipelines:
- `toDateTime()` without explicitly given time zone used in the first `SELECT` query honors setting `session_timezone` and the global time zone.
- In the second query, a DateTime is parsed from a String, and inherits the type and time zone of the existing column`d`. Thus, setting `session_timezone` and the global time zone are not honored.
**See also**
- [timezone](../server-configuration-parameters/settings.md#server_configuration_parameters-timezone)
## final {#final}
Automatically applies [FINAL](../../sql-reference/statements/select/from.md#final-modifier) modifier to all tables in a query, to tables where [FINAL](../../sql-reference/statements/select/from.md#final-modifier) is applicable, including joined tables and tables in sub-queries, and

4
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@ -71,11 +71,11 @@ Columns:
- 0 — Query was initiated by another query as part of distributed query execution.
- `user` ([String](../../sql-reference/data-types/string.md)) — Name of the user who initiated the current query.
- `query_id` ([String](../../sql-reference/data-types/string.md)) — ID of the query.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP address that was used to make the query.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP address that was used to make the query.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — The client port that was used to make the query.
- `initial_user` ([String](../../sql-reference/data-types/string.md)) — Name of the user who ran the initial query (for distributed query execution).
- `initial_query_id` ([String](../../sql-reference/data-types/string.md)) — ID of the initial query (for distributed query execution).
- `initial_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP address that the parent query was launched from.
- `initial_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP address that the parent query was launched from.
- `initial_port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — The client port that was used to make the parent query.
- `initial_query_start_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — Initial query starting time (for distributed query execution).
- `initial_query_start_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — Initial query starting time with microseconds precision (for distributed query execution).

4
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@ -40,11 +40,11 @@ Columns:
- 0 — Query was initiated by another query for distributed query execution.
- `user` ([String](../../sql-reference/data-types/string.md)) — Name of the user who initiated the current query.
- `query_id` ([String](../../sql-reference/data-types/string.md)) — ID of the query.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP address that was used to make the query.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP address that was used to make the query.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md#uint-ranges)) — The client port that was used to make the query.
- `initial_user` ([String](../../sql-reference/data-types/string.md)) — Name of the user who ran the initial query (for distributed query execution).
- `initial_query_id` ([String](../../sql-reference/data-types/string.md)) — ID of the initial query (for distributed query execution).
- `initial_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP address that the parent query was launched from.
- `initial_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP address that the parent query was launched from.
- `initial_port` ([UInt16](../../sql-reference/data-types/int-uint.md#uint-ranges)) — The client port that was used to make the parent query.
- `interface` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — Interface that the query was initiated from. Possible values:
- 1 — TCP.

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@ -28,7 +28,7 @@ Columns:
- `profiles` ([Array](../../sql-reference/data-types/array.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md))) — The list of profiles set for all roles and/or users.
- `roles` ([Array](../../sql-reference/data-types/array.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md))) — The list of roles to which the profile is applied.
- `settings` ([Array](../../sql-reference/data-types/array.md)([Tuple](../../sql-reference/data-types/tuple.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md), [String](../../sql-reference/data-types/string.md)))) — Settings that were changed when the client logged in/out.
- `client_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — The IP address that was used to log in/out.
- `client_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — The IP address that was used to log in/out.
- `client_port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — The client port that was used to log in/out.
- `interface` ([Enum8](../../sql-reference/data-types/enum.md)) — The interface from which the login was initiated. Possible values:
- `TCP`

2
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@ -15,7 +15,7 @@ Columns with request parameters:
- `Finalize` — The connection is lost, no response was received.
- `event_date` ([Date](../../sql-reference/data-types/date.md)) — The date when the event happened.
- `event_time` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — The date and time when the event happened.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP address of ZooKeeper server that was used to make the request.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP address of ZooKeeper server that was used to make the request.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — The port of ZooKeeper server that was used to make the request.
- `session_id` ([Int64](../../sql-reference/data-types/int-uint.md)) — The session ID that the ZooKeeper server sets for each connection.
- `xid` ([Int32](../../sql-reference/data-types/int-uint.md)) — The ID of the request within the session. This is usually a sequential request number. It is the same for the request row and the paired `response`/`finalize` row.

4
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@ -97,6 +97,10 @@ Result:
If you apply this combinator, the aggregate function does not return the resulting value (such as the number of unique values for the [uniq](../../sql-reference/aggregate-functions/reference/uniq.md#agg_function-uniq) function), but an intermediate state of the aggregation (for `uniq`, this is the hash table for calculating the number of unique values). This is an `AggregateFunction(...)` that can be used for further processing or stored in a table to finish aggregating later.
:::note
Please notice, that -MapState is not an invariant for the same data due to the fact that order of data in intermediate state can change, though it doesn't impact ingestion of this data.
:::
To work with these states, use:
- [AggregatingMergeTree](../../engines/table-engines/mergetree-family/aggregatingmergetree.md) table engine.

20
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@ -19,8 +19,19 @@ Standard aggregate functions:
- [stddevSamp](/docs/en/sql-reference/aggregate-functions/reference/stddevsamp.md)
- [varPop](/docs/en/sql-reference/aggregate-functions/reference/varpop.md)
- [varSamp](/docs/en/sql-reference/aggregate-functions/reference/varsamp.md)
- [corr](./corr.md)
- [covarPop](/docs/en/sql-reference/aggregate-functions/reference/covarpop.md)
- [covarSamp](/docs/en/sql-reference/aggregate-functions/reference/covarsamp.md)
- [entropy](./entropy.md)
- [exponentialMovingAverage](./exponentialmovingaverage.md)
- [intervalLengthSum](./intervalLengthSum.md)
- [kolmogorovSmirnovTest](./kolmogorovsmirnovtest.md)
- [mannwhitneyutest](./mannwhitneyutest.md)
- [median](./median.md)
- [rankCorr](./rankCorr.md)
- [sumKahan](./sumkahan.md)
- [studentTTest](./studentttest.md)
- [welchTTest](./welchttest.md)
ClickHouse-specific aggregate functions:
@ -34,12 +45,15 @@ ClickHouse-specific aggregate functions:
- [avgWeighted](/docs/en/sql-reference/aggregate-functions/reference/avgweighted.md)
- [topK](/docs/en/sql-reference/aggregate-functions/reference/topk.md)
- [topKWeighted](/docs/en/sql-reference/aggregate-functions/reference/topkweighted.md)
- [deltaSum](./deltasum.md)
- [deltaSumTimestamp](./deltasumtimestamp.md)
- [groupArray](/docs/en/sql-reference/aggregate-functions/reference/grouparray.md)
- [groupArrayLast](/docs/en/sql-reference/aggregate-functions/reference/grouparraylast.md)
- [groupUniqArray](/docs/en/sql-reference/aggregate-functions/reference/groupuniqarray.md)
- [groupArrayInsertAt](/docs/en/sql-reference/aggregate-functions/reference/grouparrayinsertat.md)
- [groupArrayMovingAvg](/docs/en/sql-reference/aggregate-functions/reference/grouparraymovingavg.md)
- [groupArrayMovingSum](/docs/en/sql-reference/aggregate-functions/reference/grouparraymovingsum.md)
- [groupArraySample](./grouparraysample.md)
- [groupBitAnd](/docs/en/sql-reference/aggregate-functions/reference/groupbitand.md)
- [groupBitOr](/docs/en/sql-reference/aggregate-functions/reference/groupbitor.md)
- [groupBitXor](/docs/en/sql-reference/aggregate-functions/reference/groupbitxor.md)
@ -84,3 +98,9 @@ ClickHouse-specific aggregate functions:
- [theilsU](./theilsu.md)
- [maxIntersections](./maxintersections.md)
- [maxIntersectionsPosition](./maxintersectionsposition.md)
- [meanZTest](./meanztest.md)
- [quantileGK](./quantileGK.md)
- [quantileInterpolatedWeighted](./quantileinterpolatedweighted.md)
- [sparkBar](./sparkbar.md)
- [sumCount](./sumcount.md)

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@ -28,6 +28,6 @@ ClickHouse data types include:
- **Nested data structures**: A [`Nested` data structure](./nested-data-structures/index.md) is like a table inside a cell
- **Tuples**: A [`Tuple` of elements](./tuple.md), each having an individual type.
- **Nullable**: [`Nullable`](./nullable.md) allows you to store a value as `NULL` when a value is "missing" (instead of the column settings its default value for the data type)
- **IP addresses**: use [`IPv4`](./domains/ipv4.md) and [`IPv6`](./domains/ipv6.md) to efficiently store IP addresses
- **IP addresses**: use [`IPv4`](./ipv4.md) and [`IPv6`](./ipv6.md) to efficiently store IP addresses
- **Geo types**: for [geographical data](./geo.md), including `Point`, `Ring`, `Polygon` and `MultiPolygon`
- **Special data types**: including [`Expression`](./special-data-types/expression.md), [`Set`](./special-data-types/set.md), [`Nothing`](./special-data-types/nothing.md) and [`Interval`](./special-data-types/interval.md)

27
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@ -1,12 +1,12 @@
---
slug: /en/sql-reference/data-types/domains/ipv4
slug: /en/sql-reference/data-types/ipv4
sidebar_position: 59
sidebar_label: IPv4
---
## IPv4
`IPv4` is a domain based on `UInt32` type and serves as a typed replacement for storing IPv4 values. It provides compact storage with the human-friendly input-output format and column type information on inspection.
IPv4 addresses. Stored in 4 bytes as UInt32.
### Basic Usage
@ -57,25 +57,6 @@ SELECT toTypeName(from), hex(from) FROM hits LIMIT 1;
└──────────────────┴───────────┘
```
Domain values are not implicitly convertible to types other than `UInt32`.
If you want to convert `IPv4` value to a string, you have to do that explicitly with `IPv4NumToString()` function:
**See Also**
``` sql
SELECT toTypeName(s), IPv4NumToString(from) as s FROM hits LIMIT 1;
```
┌─toTypeName(IPv4NumToString(from))─┬─s──────────────┐
│ String │ 183.247.232.58 │
└───────────────────────────────────┴────────────────┘
Or cast to a `UInt32` value:
``` sql
SELECT toTypeName(i), CAST(from as UInt32) as i FROM hits LIMIT 1;
```
``` text
┌─toTypeName(CAST(from, 'UInt32'))─┬──────────i─┐
│ UInt32 │ 3086477370 │
└──────────────────────────────────┴────────────┘
```
- [Functions for Working with IPv4 and IPv6 Addresses](../functions/ip-address-functions.md)

29
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@ -1,12 +1,12 @@
---
slug: /en/sql-reference/data-types/domains/ipv6
slug: /en/sql-reference/data-types/ipv6
sidebar_position: 60
sidebar_label: IPv6
---
## IPv6
`IPv6` is a domain based on `FixedString(16)` type and serves as a typed replacement for storing IPv6 values. It provides compact storage with the human-friendly input-output format and column type information on inspection.
IPv6 addresses. Stored in 16 bytes as UInt128 big-endian.
### Basic Usage
@ -57,27 +57,6 @@ SELECT toTypeName(from), hex(from) FROM hits LIMIT 1;
└──────────────────┴──────────────────────────────────┘
```
Domain values are not implicitly convertible to types other than `FixedString(16)`.
If you want to convert `IPv6` value to a string, you have to do that explicitly with `IPv6NumToString()` function:
**See Also**
``` sql
SELECT toTypeName(s), IPv6NumToString(from) as s FROM hits LIMIT 1;
```
``` text
┌─toTypeName(IPv6NumToString(from))─┬─s─────────────────────────────┐
│ String │ 2001:44c8:129:2632:33:0:252:2 │
└───────────────────────────────────┴───────────────────────────────┘
```
Or cast to a `FixedString(16)` value:
``` sql
SELECT toTypeName(i), CAST(from as FixedString(16)) as i FROM hits LIMIT 1;
```
``` text
┌─toTypeName(CAST(from, 'FixedString(16)'))─┬─i───────┐
│ FixedString(16) │ <20><><EFBFBD> │
└───────────────────────────────────────────┴─────────┘
```
- [Functions for Working with IPv4 and IPv6 Addresses](../functions/ip-address-functions.md)

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@ -139,8 +139,8 @@ makeDateTime32(year, month, day, hour, minute, second[, fraction[, precision[, t
## timeZone
Returns the timezone of the server.
If the function is executed in the context of a distributed table, it generates a normal column with values relevant to each shard, otherwise it produces a constant value.
Returns the timezone of the current session, i.e. the value of setting [session_timezone](../../operations/settings/settings.md#session_timezone).
If the function is executed in the context of a distributed table, then it generates a normal column with values relevant to each shard, otherwise it produces a constant value.
**Syntax**
@ -156,6 +156,33 @@ Alias: `timezone`.
Type: [String](../../sql-reference/data-types/string.md).
**See also**
- [serverTimeZone](#serverTimeZone)
## serverTimeZone
Returns the timezone of the server, i.e. the value of setting [timezone](../../operations/server-configuration-parameters/settings.md#server_configuration_parameters-timezone).
If the function is executed in the context of a distributed table, then it generates a normal column with values relevant to each shard. Otherwise, it produces a constant value.
**Syntax**
``` sql
serverTimeZone()
```
Alias: `serverTimezone`.
**Returned value**
- Timezone.
Type: [String](../../sql-reference/data-types/string.md).
**See also**
- [timeZone](#timeZone)
## toTimeZone
Converts a date or date with time to the specified time zone. Does not change the internal value (number of unix seconds) of the data, only the value's time zone attribute and the value's string representation changes.

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@ -237,6 +237,43 @@ Result:
└────────────────────────────┘
```
## L2SquaredDistance
Calculates the sum of the squares of the difference between the corresponding elements of two vectors.
**Syntax**
```sql
L2SquaredDistance(vector1, vector2)
```
Alias: `distanceL2Squared`.
**Arguments**
- `vector1` — First vector. [Tuple](../../sql-reference/data-types/tuple.md) or [Array](../../sql-reference/data-types/array.md).
- `vector2` — Second vector. [Tuple](../../sql-reference/data-types/tuple.md) or [Array](../../sql-reference/data-types/array.md).
**Returned value**
Type: [Float](../../sql-reference/data-types/float.md).
**Example**
Query:
```sql
SELECT L2SquaredDistance([1, 2, 3], [0, 0, 0])
```
Result:
```response
┌─L2SquaredDistance([1, 2, 3], [0, 0, 0])─┐
│ 14 │
└─────────────────────────────────────────┘
```
## LinfDistance
Calculates the distance between two points (the values of the vectors are the coordinates) in `L_{inf}` space ([maximum norm](https://en.wikipedia.org/wiki/Norm_(mathematics)#Maximum_norm_(special_case_of:_infinity_norm,_uniform_norm,_or_supremum_norm))).

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@ -8,7 +8,7 @@ sidebar_label: Nullable
## isNull
Returns whether the argument is [NULL](../../sql-reference/syntax.md#null-literal).
Returns whether the argument is [NULL](../../sql-reference/syntax.md#null).
``` sql
isNull(x)

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@ -248,7 +248,7 @@ SELECT IPv6CIDRToRange(toIPv6('2001:0db8:0000:85a3:0000:0000:ac1f:8001'), 32);
## toIPv4(string)
An alias to `IPv4StringToNum()` that takes a string form of IPv4 address and returns value of [IPv4](../../sql-reference/data-types/domains/ipv4.md) type, which is binary equal to value returned by `IPv4StringToNum()`.
An alias to `IPv4StringToNum()` that takes a string form of IPv4 address and returns value of [IPv4](../../sql-reference/data-types/ipv4.md) type, which is binary equal to value returned by `IPv4StringToNum()`.
``` sql
WITH
@ -296,7 +296,7 @@ Same as `toIPv6`, but if the IPv6 address has an invalid format, it returns null
## toIPv6
Converts a string form of IPv6 address to [IPv6](../../sql-reference/data-types/domains/ipv6.md) type. If the IPv6 address has an invalid format, returns an empty value.
Converts a string form of IPv6 address to [IPv6](../../sql-reference/data-types/ipv6.md) type. If the IPv6 address has an invalid format, returns an empty value.
Similar to [IPv6StringToNum](#ipv6stringtonums) function, which converts IPv6 address to binary format.
If the input string contains a valid IPv4 address, then the IPv6 equivalent of the IPv4 address is returned.
@ -315,7 +315,7 @@ toIPv6(string)
- IP address.
Type: [IPv6](../../sql-reference/data-types/domains/ipv6.md).
Type: [IPv6](../../sql-reference/data-types/ipv6.md).
**Examples**

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@ -4,6 +4,8 @@ sidebar_position: 130
sidebar_label: NLP (experimental)
---
# Natural Language Processing (NLP) Functions
:::note
This is an experimental feature that is currently in development and is not ready for general use. It will change in unpredictable backwards-incompatible ways in future releases. Set `allow_experimental_nlp_functions = 1` to enable it.
:::

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@ -21,6 +21,9 @@ Expressions from `ON` clause and columns from `USING` clause are called “join
## Related Content
- Blog: [ClickHouse: A Blazingly Fast DBMS with Full SQL Join Support - Part 1](https://clickhouse.com/blog/clickhouse-fully-supports-joins)
- Blog: [ClickHouse: A Blazingly Fast DBMS with Full SQL Join Support - Under the Hood - Part 2](https://clickhouse.com/blog/clickhouse-fully-supports-joins-hash-joins-part2)
- Blog: [ClickHouse: A Blazingly Fast DBMS with Full SQL Join Support - Under the Hood - Part 3](https://clickhouse.com/blog/clickhouse-fully-supports-joins-full-sort-partial-merge-part3)
- Blog: [ClickHouse: A Blazingly Fast DBMS with Full SQL Join Support - Under the Hood - Part 4](https://clickhouse.com/blog/clickhouse-fully-supports-joins-direct-join-part4)
## Supported Types of JOIN

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@ -1,5 +1,6 @@
---
slug: /en/sql-reference/table-functions/azureBlobStorage
sidebar_position: 10
sidebar_label: azureBlobStorage
keywords: [azure blob storage]
---

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/table-functions/cluster
sidebar_position: 50
sidebar_position: 30
sidebar_label: cluster
title: "cluster, clusterAllReplicas"
---

3
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@ -1,6 +1,7 @@
---
slug: /en/sql-reference/table-functions/deltalake
sidebar_label: DeltaLake
sidebar_position: 45
sidebar_label: deltaLake
---
# deltaLake Table Function

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/table-functions/dictionary
sidebar_position: 54
sidebar_position: 47
sidebar_label: dictionary
title: dictionary
---

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@ -1,6 +1,6 @@
---
slug: /en/engines/table-functions/executable
sidebar_position: 55
sidebar_position: 50
sidebar_label: executable
keywords: [udf, user defined function, clickhouse, executable, table, function]
---

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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/table-functions/file
sidebar_position: 37
sidebar_position: 60
sidebar_label: file
---

2
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@ -1,6 +1,6 @@
---
slug: /en/sql-reference/table-functions/format
sidebar_position: 56
sidebar_position: 65
sidebar_label: format
---

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---
slug: /en/sql-reference/table-functions/gcs
sidebar_position: 45
sidebar_position: 70
sidebar_label: gcs
keywords: [gcs, bucket]
---

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---
slug: /en/sql-reference/table-functions/generate
sidebar_position: 47
sidebar_position: 75
sidebar_label: generateRandom
---

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---
slug: /en/sql-reference/table-functions/hdfs
sidebar_position: 45
sidebar_position: 80
sidebar_label: hdfs
---

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slug: /en/sql-reference/table-functions/hdfsCluster
sidebar_position: 55
sidebar_position: 81
sidebar_label: hdfsCluster
---

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---
slug: /en/sql-reference/table-functions/hudi
sidebar_label: Hudi
sidebar_position: 85
sidebar_label: hudi
---
# hudi Table Function

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---
slug: /en/sql-reference/table-functions/iceberg
sidebar_label: Iceberg
sidebar_position: 90
sidebar_label: iceberg
---
# iceberg Table Function

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---
slug: /en/sql-reference/table-functions/
sidebar_label: Table Functions
sidebar_position: 34
sidebar_position: 1
---
# Table Functions

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slug: /en/sql-reference/table-functions/input
sidebar_position: 46
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sidebar_label: input
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sidebar_position: 43
sidebar_position: 100
sidebar_label: jdbc
---

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slug: /en/sql-reference/table-functions/merge
sidebar_position: 38
sidebar_position: 130
sidebar_label: merge
---

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slug: /en/sql-reference/table-functions/mongodb
sidebar_position: 42
sidebar_position: 135
sidebar_label: mongodb
---

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slug: /en/sql-reference/table-functions/mysql
sidebar_position: 42
sidebar_position: 137
sidebar_label: mysql
---

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slug: /en/sql-reference/table-functions/null
sidebar_position: 53
sidebar_position: 140
sidebar_label: null function
title: 'null'
---

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slug: /en/sql-reference/table-functions/numbers
sidebar_position: 39
sidebar_position: 145
sidebar_label: numbers
---

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---
slug: /en/sql-reference/table-functions/odbc
sidebar_position: 44
sidebar_position: 150
sidebar_label: odbc
---

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slug: /en/sql-reference/table-functions/postgresql
sidebar_position: 42
sidebar_position: 160
sidebar_label: postgresql
---

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---
slug: /en/sql-reference/table-functions/redis
sidebar_position: 43
sidebar_position: 170
sidebar_label: redis
---

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---
slug: /en/sql-reference/table-functions/remote
sidebar_position: 40
sidebar_position: 175
sidebar_label: remote
---
@ -114,9 +114,8 @@ This example uses one table from a sample dataset. The database is `imdb`, and
`first_name` String,
`last_name` String,
`gender` FixedString(1))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{uuid}/{shard}', '{replica}')
ORDER BY (id, first_name, last_name, gender)
SETTINGS index_granularity = 8192
ENGINE = MergeTree
ORDER BY (id, first_name, last_name, gender);
```
#### On the destination ClickHouse system:
@ -132,9 +131,8 @@ This example uses one table from a sample dataset. The database is `imdb`, and
`first_name` String,
`last_name` String,
`gender` FixedString(1))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/{uuid}/{shard}', '{replica}')
ORDER BY (id, first_name, last_name, gender)
SETTINGS index_granularity = 8192
ENGINE = MergeTree
ORDER BY (id, first_name, last_name, gender);
```
#### Back on the source deployment:
@ -142,7 +140,7 @@ This example uses one table from a sample dataset. The database is `imdb`, and
Insert into the new database and table created on the remote system. You will need the host, port, username, password, destination database, and destination table.
```sql
INSERT INTO FUNCTION
remoteSecure('remote.clickhouse.cloud:9440', 'imdb.actors', 'USER', 'PASSWORD', rand())
remoteSecure('remote.clickhouse.cloud:9440', 'imdb.actors', 'USER', 'PASSWORD')
SELECT * from imdb.actors
```

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slug: /en/sql-reference/table-functions/s3
sidebar_position: 45
sidebar_position: 180
sidebar_label: s3
keywords: [s3, gcs, bucket]
---

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---
slug: /en/sql-reference/table-functions/s3Cluster
sidebar_position: 55
sidebar_position: 181
sidebar_label: s3Cluster
title: "s3Cluster Table Function"
---

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slug: /en/sql-reference/table-functions/sqlite
sidebar_position: 55
sidebar_position: 185
sidebar_label: sqlite
title: sqlite
---

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sidebar_position: 41
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sidebar_label: url
---

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sidebar_position: 55
sidebar_position: 201
sidebar_label: urlCluster
---

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sidebar_position: 51
sidebar_position: 210
sidebar_label: view
title: view
---

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@ -1,453 +1,6 @@
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functions/encoding_functions.md query-language/functions/encoding-functions.md
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functions/hash_functions.md query-language/functions/hash-functions.md
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functions/in_functions.md query-language/functions/in-functions.md
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functions/json_functions.md query-language/functions/json-functions.md
functions/logical_functions.md query-language/functions/logical-functions.md
functions/math_functions.md query-language/functions/math-functions.md
functions/other_functions.md query-language/functions/other-functions.md
functions/random_functions.md query-language/functions/random-functions.md
functions/rounding_functions.md query-language/functions/rounding-functions.md
functions/splitting_merging_functions.md query-language/functions/splitting-merging-functions.md
functions/string_functions.md query-language/functions/string-functions.md
functions/string_replace_functions.md query-language/functions/string-replace-functions.md
functions/string_search_functions.md query-language/functions/string-search-functions.md
functions/type_conversion_functions.md query-language/functions/type-conversion-functions.md
functions/url_functions.md query-language/functions/url-functions.md
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images/row_oriented.gif images/row-oriented.gif
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interfaces/third-party_gui.md interfaces/third-party/gui.md
interfaces/third_party/index.md interfaces/third-party/index.md
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operations/utils/index.md operations/utilities/index.md
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query_language/agg_functions/parametric_functions.md sql-reference/aggregate-functions/parametric-functions.md
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query_language/dicts/external_dicts.md sql-reference/dictionaries/external-dictionaries/external-dicts.md
query_language/dicts/external_dicts_dict.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict.md
query_language/dicts/external_dicts_dict_hierarchical.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-hierarchical.md
query_language/dicts/external_dicts_dict_layout.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-layout.md
query_language/dicts/external_dicts_dict_lifetime.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-lifetime.md
query_language/dicts/external_dicts_dict_sources.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-sources.md
query_language/dicts/external_dicts_dict_structure.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-structure.md
query_language/dicts/index.md sql-reference/dictionaries/index.md
query_language/dicts/internal_dicts.md sql-reference/dictionaries/internal-dicts.md
query_language/functions/arithmetic_functions.md sql-reference/functions/arithmetic-functions.md
query_language/functions/array_functions.md sql-reference/functions/array-functions.md
query_language/functions/array_join.md sql-reference/functions/array-join.md
query_language/functions/bit_functions.md sql-reference/functions/bit-functions.md
query_language/functions/bitmap_functions.md sql-reference/functions/bitmap-functions.md
query_language/functions/comparison_functions.md sql-reference/functions/comparison-functions.md
query_language/functions/conditional_functions.md sql-reference/functions/conditional-functions.md
query_language/functions/date_time_functions.md sql-reference/functions/date-time-functions.md
query_language/functions/encoding_functions.md sql-reference/functions/encoding-functions.md
query_language/functions/ext_dict_functions.md sql-reference/functions/ext-dict-functions.md
query_language/functions/functions_for_nulls.md sql-reference/functions/functions-for-nulls.md
query_language/functions/geo.md sql-reference/functions/geo.md
query_language/functions/hash_functions.md sql-reference/functions/hash-functions.md
query_language/functions/higher_order_functions.md sql-reference/functions/higher-order-functions.md
query_language/functions/in_functions.md sql-reference/functions/in-functions.md
query_language/functions/index.md sql-reference/functions/index.md
query_language/functions/introspection.md sql-reference/functions/introspection.md
query_language/functions/ip_address_functions.md sql-reference/functions/ip-address-functions.md
query_language/functions/json_functions.md sql-reference/functions/json-functions.md
query_language/functions/logical_functions.md sql-reference/functions/logical-functions.md
query_language/functions/machine_learning_functions.md sql-reference/functions/machine-learning-functions.md
query_language/functions/math_functions.md sql-reference/functions/math-functions.md
query_language/functions/other_functions.md sql-reference/functions/other-functions.md
query_language/functions/random_functions.md sql-reference/functions/random-functions.md
query_language/functions/rounding_functions.md sql-reference/functions/rounding-functions.md
query_language/functions/splitting_merging_functions.md sql-reference/functions/splitting-merging-functions.md
query_language/functions/string_functions.md sql-reference/functions/string-functions.md
query_language/functions/string_replace_functions.md sql-reference/functions/string-replace-functions.md
query_language/functions/string_search_functions.md sql-reference/functions/string-search-functions.md
query_language/functions/type_conversion_functions.md sql-reference/functions/type-conversion-functions.md
query_language/functions/url_functions.md sql-reference/functions/url-functions.md
query_language/functions/uuid_functions.md sql-reference/functions/uuid-functions.md
query_language/functions/ym_dict_functions.md sql-reference/functions/ym-dict-functions.md
query_language/index.md sql-reference/index.md
query_language/insert_into.md sql-reference/statements/insert-into.md
query_language/misc.md sql-reference/statements/misc.md
query_language/operators.md sql-reference/operators.md
query_language/queries.md query-language.md
query_language/select.md sql-reference/statements/select.md
query_language/show.md sql-reference/statements/show.md
query_language/syntax.md sql-reference/syntax.md
query_language/system.md sql-reference/statements/system.md
query_language/table_functions/file.md sql-reference/table-functions/file.md
query_language/table_functions/generate.md sql-reference/table-functions/generate.md
query_language/table_functions/hdfs.md sql-reference/table-functions/hdfs.md
query_language/table_functions/index.md sql-reference/table-functions/index.md
query_language/table_functions/input.md sql-reference/table-functions/input.md
query_language/table_functions/jdbc.md sql-reference/table-functions/jdbc.md
query_language/table_functions/merge.md sql-reference/table-functions/merge.md
query_language/table_functions/mysql.md sql-reference/table-functions/mysql.md
query_language/table_functions/numbers.md sql-reference/table-functions/numbers.md
query_language/table_functions/odbc.md sql-reference/table-functions/odbc.md
query_language/table_functions/remote.md sql-reference/table-functions/remote.md
query_language/table_functions/url.md sql-reference/table-functions/url.md
roadmap.md whats-new/roadmap.md
security_changelog.md whats-new/security-changelog.md
sql-reference/data-types/domains/overview.md sql-reference/data-types/domains/index.md
sql_reference/aggregate_functions/combinators.md sql-reference/aggregate-functions/combinators.md
sql_reference/aggregate_functions/index.md sql-reference/aggregate-functions/index.md
sql_reference/aggregate_functions/parametric_functions.md sql-reference/aggregate-functions/parametric-functions.md
sql_reference/aggregate_functions/reference.md sql-reference/aggregate-functions/reference.md
sql_reference/ansi.md sql-reference/ansi.md
sql_reference/data_types/aggregatefunction.md sql-reference/data-types/aggregatefunction.md
sql_reference/data_types/array.md sql-reference/data-types/array.md
sql_reference/data_types/boolean.md sql-reference/data-types/boolean.md
sql_reference/data_types/date.md sql-reference/data-types/date.md
sql_reference/data_types/datetime.md sql-reference/data-types/datetime.md
sql_reference/data_types/datetime64.md sql-reference/data-types/datetime64.md
sql_reference/data_types/decimal.md sql-reference/data-types/decimal.md
sql_reference/data_types/domains/index.md sql-reference/data-types/domains/index.md
sql_reference/data_types/domains/ipv4.md sql-reference/data-types/domains/ipv4.md
sql_reference/data_types/domains/ipv6.md sql-reference/data-types/domains/ipv6.md
sql_reference/data_types/domains/overview.md sql-reference/data-types/domains/overview.md
sql_reference/data_types/enum.md sql-reference/data-types/enum.md
sql_reference/data_types/fixedstring.md sql-reference/data-types/fixedstring.md
sql_reference/data_types/float.md sql-reference/data-types/float.md
sql_reference/data_types/index.md sql-reference/data-types/index.md
sql_reference/data_types/int_uint.md sql-reference/data-types/int-uint.md
sql_reference/data_types/nested_data_structures/index.md sql-reference/data-types/nested-data-structures/index.md
sql_reference/data_types/nested_data_structures/nested.md sql-reference/data-types/nested-data-structures/nested.md
sql_reference/data_types/nullable.md sql-reference/data-types/nullable.md
sql_reference/data_types/simpleaggregatefunction.md sql-reference/data-types/simpleaggregatefunction.md
sql_reference/data_types/special_data_types/expression.md sql-reference/data-types/special-data-types/expression.md
sql_reference/data_types/special_data_types/index.md sql-reference/data-types/special-data-types/index.md
sql_reference/data_types/special_data_types/interval.md sql-reference/data-types/special-data-types/interval.md
sql_reference/data_types/special_data_types/nothing.md sql-reference/data-types/special-data-types/nothing.md
sql_reference/data_types/special_data_types/set.md sql-reference/data-types/special-data-types/set.md
sql_reference/data_types/string.md sql-reference/data-types/string.md
sql_reference/data_types/tuple.md sql-reference/data-types/tuple.md
sql_reference/data_types/uuid.md sql-reference/data-types/uuid.md
sql_reference/dictionaries/external_dictionaries/external_dicts.md sql-reference/dictionaries/external-dictionaries/external-dicts.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict_hierarchical.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-hierarchical.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict_layout.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-layout.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict_lifetime.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-lifetime.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict_sources.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-sources.md
sql_reference/dictionaries/external_dictionaries/external_dicts_dict_structure.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict-structure.md
sql_reference/dictionaries/external_dictionaries/index.md sql-reference/dictionaries/external-dictionaries/index.md
sql_reference/dictionaries/index.md sql-reference/dictionaries/index.md
sql_reference/dictionaries/internal_dicts.md sql-reference/dictionaries/internal-dicts.md
sql_reference/functions/arithmetic_functions.md sql-reference/functions/arithmetic-functions.md
sql_reference/functions/array_functions.md sql-reference/functions/array-functions.md
sql_reference/functions/array_join.md sql-reference/functions/array-join.md
sql_reference/functions/bit_functions.md sql-reference/functions/bit-functions.md
sql_reference/functions/bitmap_functions.md sql-reference/functions/bitmap-functions.md
sql_reference/functions/comparison_functions.md sql-reference/functions/comparison-functions.md
sql_reference/functions/conditional_functions.md sql-reference/functions/conditional-functions.md
sql_reference/functions/date_time_functions.md sql-reference/functions/date-time-functions.md
sql_reference/functions/encoding_functions.md sql-reference/functions/encoding-functions.md
sql_reference/functions/ext_dict_functions.md sql-reference/functions/ext-dict-functions.md
sql_reference/functions/functions_for_nulls.md sql-reference/functions/functions-for-nulls.md
sql_reference/functions/geo.md sql-reference/functions/geo.md
sql_reference/functions/hash_functions.md sql-reference/functions/hash-functions.md
sql_reference/functions/higher_order_functions.md sql-reference/functions/higher-order-functions.md
sql_reference/functions/in_functions.md sql-reference/functions/in-functions.md
sql_reference/functions/index.md sql-reference/functions/index.md
sql_reference/functions/introspection.md sql-reference/functions/introspection.md
sql_reference/functions/ip_address_functions.md sql-reference/functions/ip-address-functions.md
sql_reference/functions/json_functions.md sql-reference/functions/json-functions.md
sql_reference/functions/logical_functions.md sql-reference/functions/logical-functions.md
sql_reference/functions/machine_learning_functions.md sql-reference/functions/machine-learning-functions.md
sql_reference/functions/math_functions.md sql-reference/functions/math-functions.md
sql_reference/functions/other_functions.md sql-reference/functions/other-functions.md
sql_reference/functions/random_functions.md sql-reference/functions/random-functions.md
sql_reference/functions/rounding_functions.md sql-reference/functions/rounding-functions.md
sql_reference/functions/splitting_merging_functions.md sql-reference/functions/splitting-merging-functions.md
sql_reference/functions/string_functions.md sql-reference/functions/string-functions.md
sql_reference/functions/string_replace_functions.md sql-reference/functions/string-replace-functions.md
sql_reference/functions/string_search_functions.md sql-reference/functions/string-search-functions.md
sql_reference/functions/type_conversion_functions.md sql-reference/functions/type-conversion-functions.md
sql_reference/functions/url_functions.md sql-reference/functions/url-functions.md
sql_reference/functions/uuid_functions.md sql-reference/functions/uuid-functions.md
sql_reference/functions/ym_dict_functions.md sql-reference/functions/ym-dict-functions.md
sql_reference/index.md sql-reference/index.md
sql_reference/operators.md sql-reference/operators.md
sql_reference/statements/alter.md sql-reference/statements/alter.md
sql_reference/statements/create.md sql-reference/statements/create.md
sql_reference/statements/index.md sql-reference/statements/index.md
sql_reference/statements/insert_into.md sql-reference/statements/insert-into.md
sql_reference/statements/misc.md sql-reference/statements/misc.md
sql_reference/statements/select.md sql-reference/statements/select.md
sql_reference/statements/show.md sql-reference/statements/show.md
sql_reference/statements/system.md sql-reference/statements/system.md
sql_reference/syntax.md sql-reference/syntax.md
sql_reference/table_functions/file.md sql-reference/table-functions/file.md
sql_reference/table_functions/generate.md sql-reference/table-functions/generate.md
sql_reference/table_functions/hdfs.md sql-reference/table-functions/hdfs.md
sql_reference/table_functions/index.md sql-reference/table-functions/index.md
sql_reference/table_functions/input.md sql-reference/table-functions/input.md
sql_reference/table_functions/jdbc.md sql-reference/table-functions/jdbc.md
sql_reference/table_functions/merge.md sql-reference/table-functions/merge.md
sql_reference/table_functions/mysql.md sql-reference/table-functions/mysql.md
sql_reference/table_functions/numbers.md sql-reference/table-functions/numbers.md
sql_reference/table_functions/odbc.md sql-reference/table-functions/odbc.md
sql_reference/table_functions/remote.md sql-reference/table-functions/remote.md
sql_reference/table_functions/url.md sql-reference/table-functions/url.md
system_tables.md operations/system-tables.md
system_tables/system.asynchronous_metrics.md operations/system-tables.md
system_tables/system.clusters.md operations/system-tables.md
system_tables/system.columns.md operations/system-tables.md
system_tables/system.databases.md operations/system-tables.md
system_tables/system.dictionaries.md operations/system-tables.md
system_tables/system.events.md operations/system-tables.md
system_tables/system.functions.md operations/system-tables.md
system_tables/system.merges.md operations/system-tables.md
system_tables/system.metrics.md operations/system-tables.md
system_tables/system.numbers.md operations/system-tables.md
system_tables/system.numbers_mt.md operations/system-tables.md
system_tables/system.one.md operations/system-tables.md
system_tables/system.parts.md operations/system-tables.md
system_tables/system.processes.md operations/system-tables.md
system_tables/system.replicas.md operations/system-tables.md
system_tables/system.settings.md operations/system-tables.md
system_tables/system.tables.md operations/system-tables.md
system_tables/system.zookeeper.md operations/system-tables.md
table_engines.md operations/table-engines.md
table_engines/aggregatingmergetree.md operations/table-engines/aggregatingmergetree.md
table_engines/buffer.md operations/table-engines/buffer.md
table_engines/collapsingmergetree.md operations/table-engines/collapsingmergetree.md
table_engines/custom_partitioning_key.md operations/table-engines/custom-partitioning-key.md
table_engines/dictionary.md operations/table-engines/dictionary.md
table_engines/distributed.md operations/table-engines/distributed.md
table_engines/external_data.md operations/table-engines/external-data.md
table_engines/file.md operations/table-engines/file.md
table_engines/graphitemergetree.md operations/table-engines/graphitemergetree.md
table_engines/index.md operations/table-engines/index.md
table_engines/join.md operations/table-engines/join.md
table_engines/kafka.md operations/table-engines/kafka.md
table_engines/log.md operations/table-engines/log.md
table_engines/materializedview.md operations/table-engines/materializedview.md
table_engines/memory.md operations/table-engines/memory.md
table_engines/merge.md operations/table-engines/merge.md
table_engines/mergetree.md operations/table-engines/mergetree.md
table_engines/mysql.md operations/table-engines/mysql.md
table_engines/null.md operations/table-engines/null.md
table_engines/replacingmergetree.md operations/table-engines/replacingmergetree.md
table_engines/replication.md operations/table-engines/replication.md
table_engines/set.md operations/table-engines/set.md
table_engines/summingmergetree.md operations/table-engines/summingmergetree.md
table_engines/tinylog.md operations/table-engines/tinylog.md
table_engines/view.md operations/table-engines/view.md
table_functions/file.md query-language/table-functions/file.md
table_functions/index.md query-language/table-functions/index.md
table_functions/merge.md query-language/table-functions/merge.md
table_functions/numbers.md query-language/table-functions/numbers.md
table_functions/remote.md query-language/table-functions/remote.md
utils.md operations/utils.md
utils/clickhouse-copier.md operations/utils/clickhouse-copier.md
utils/clickhouse-local.md operations/utils/clickhouse-local.md
whats_new/changelog/2017.md whats-new/changelog/2017.md
whats_new/changelog/2018.md whats-new/changelog/2018.md
whats_new/changelog/2019.md whats-new/changelog/2019.md
whats_new/changelog/index.md whats-new/changelog/index.md
whats_new/index.md whats-new/index.md
whats_new/roadmap.md whats-new/roadmap.md
whats_new/security_changelog.md whats-new/security-changelog.md
The redirects from this file were moved to the Docusaurus configuration file.
If you need to add a redirect please either open a PR in
https://github.com/clickhouse/clickhouse-docs adding the redirect to
https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
or open an issue in the same repo and provide the old URL and new URL to have
the redirect added.

6
docs/ru/operations/server-configuration-parameters/settings.md
View File

@ -1067,7 +1067,7 @@ ClickHouse использует потоки из глобального пул
- requireTLSv1_2 - Требование соединения TLSv1.2. Допустимые значения: `true`, `false`.
- fips - Активация режима OpenSSL FIPS. Поддерживается, если версия OpenSSL, с которой собрана библиотека поддерживает fips.
- privateKeyPassphraseHandler - Класс (подкласс PrivateKeyPassphraseHandler)запрашивающий кодовую фразу доступа к секретному ключу. Например, `<privateKeyPassphraseHandler>`, `<name>KeyFileHandler</name>`, `<options><password>test</password></options>`, `</privateKeyPassphraseHandler>`.
- invalidCertificateHandler - Класс (подкласс CertificateHandler) для подтверждения не валидных сертификатов. Например, `<invalidCertificateHandler> <name>ConsoleCertificateHandler</name> </invalidCertificateHandler>`.
- invalidCertificateHandler - Класс (подкласс CertificateHandler) для подтверждения не валидных сертификатов. Например, `<invalidCertificateHandler> <name>RejectCertificateHandler</name> </invalidCertificateHandler>`.
- disableProtocols - Запрещенные к использованию протоколы.
- preferServerCiphers - Предпочтение серверных шифров на клиенте.
@ -1355,6 +1355,10 @@ Parameters:
<timezone>Europe/Moscow</timezone>
```
**См. также**
- [session_timezone](../settings/settings.md#session_timezone)
## tcp_port {#server_configuration_parameters-tcp_port}
Порт для взаимодействия с клиентами по протоколу TCP.

57
docs/ru/operations/settings/settings.md
View File

@ -4127,6 +4127,63 @@ SELECT sum(number) FROM numbers(10000000000) SETTINGS partial_result_on_first_ca
Значение по умолчанию: `false`
## session_timezone {#session_timezone}
Задаёт значение часового пояса (session_timezone) по умолчанию для текущей сессии вместо [часового пояса сервера](../server-configuration-parameters/settings.md#server_configuration_parameters-timezone). То есть, все значения DateTime/DateTime64, для которых явно не задан часовой пояс, будут интерпретированы как относящиеся к указанной зоне.
При значении настройки `''` (пустая строка), будет совпадать с часовым поясом сервера.
Функции `timeZone()` and `serverTimezone()` возвращают часовой пояс текущей сессии и сервера соответственно.
Примеры:
```sql
SELECT timeZone(), serverTimezone() FORMAT TSV
Europe/Berlin Europe/Berlin
```
```sql
SELECT timeZone(), serverTimezone() SETTINGS session_timezone = 'Asia/Novosibirsk' FORMAT TSV
Asia/Novosibirsk Europe/Berlin
```
```sql
SELECT toDateTime64(toDateTime64('1999-12-12 23:23:23.123', 3), 3, 'Europe/Zurich') SETTINGS session_timezone = 'America/Denver' FORMAT TSV
1999-12-13 07:23:23.123
```
Возможные значения:
- Любая зона из `system.time_zones`, например `Europe/Berlin`, `UTC` или `Zulu`
Значение по умолчанию: `''`.
:::warning
Иногда при формировании значений типа `DateTime` и `DateTime64` параметр `session_timezone` может быть проигнорирован.
Это может привести к путанице. Пример и пояснение см. ниже.
:::
```sql
CREATE TABLE test_tz (`d` DateTime('UTC')) ENGINE = Memory AS SELECT toDateTime('2000-01-01 00:00:00', 'UTC');
SELECT *, timezone() FROM test_tz WHERE d = toDateTime('2000-01-01 00:00:00') SETTINGS session_timezone = 'Asia/Novosibirsk'
0 rows in set.
SELECT *, timezone() FROM test_tz WHERE d = '2000-01-01 00:00:00' SETTINGS session_timezone = 'Asia/Novosibirsk'
┌───────────────────d─┬─timezone()───────┐
│ 2000-01-01 00:00:00 │ Asia/Novosibirsk │
└─────────────────────┴──────────────────┘
```
Это происходит из-за различного происхождения значения, используемого для сравнения:
- В первом запросе функция `toDateTime()`, создавая значение типа `DateTime`, принимает во внимание параметр `session_timezone` из контекста запроса;
- Во втором запросе `DateTime` формируется из строки неявно, наследуя тип колонки `d` (в том числе и числовой пояс), и параметр `session_timezone` игнорируется.
**Смотрите также**
- [timezone](../server-configuration-parameters/settings.md#server_configuration_parameters-timezone)
## rename_files_after_processing
- **Тип:** Строка

4
docs/ru/operations/system-tables/query_log.md
View File

@ -69,11 +69,11 @@ ClickHouse не удаляет данные из таблица автомати
- 0 — запрос был инициирован другим запросом при выполнении распределенного запроса.
- `user` ([String](../../sql-reference/data-types/string.md)) — пользователь, запустивший текущий запрос.
- `query_id` ([String](../../sql-reference/data-types/string.md)) — ID запроса.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP адрес, с которого пришел запрос.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP адрес, с которого пришел запрос.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — порт, с которого клиент сделал запрос
- `initial_user` ([String](../../sql-reference/data-types/string.md)) — пользователь, запустивший первоначальный запрос (для распределенных запросов).
- `initial_query_id` ([String](../../sql-reference/data-types/string.md)) — ID родительского запроса.
- `initial_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP адрес, с которого пришел родительский запрос.
- `initial_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP адрес, с которого пришел родительский запрос.
- `initial_port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — порт, с которого клиент сделал родительский запрос.
- `initial_query_start_time` ([DateTime](../../sql-reference/data-types/datetime.md)) — время начала обработки запроса (для распределенных запросов).
- `initial_query_start_time_microseconds` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — время начала обработки запроса с точностью до микросекунд (для распределенных запросов).

4
docs/ru/operations/system-tables/query_thread_log.md
View File

@ -39,11 +39,11 @@ ClickHouse не удаляет данные из таблицы автомати
- 0 — запрос был инициирован другим запросом при распределенном запросе.
- `user` ([String](../../sql-reference/data-types/string.md)) — пользователь, запустивший текущий запрос.
- `query_id` ([String](../../sql-reference/data-types/string.md)) — ID запроса.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP адрес, с которого пришел запрос.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP адрес, с которого пришел запрос.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md#uint-ranges)) — порт, с которого пришел запрос.
- `initial_user` ([String](../../sql-reference/data-types/string.md)) — пользователь, запустивший первоначальный запрос (для распределенных запросов).
- `initial_query_id` ([String](../../sql-reference/data-types/string.md)) — ID родительского запроса.
- `initial_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP адрес, с которого пришел родительский запрос.
- `initial_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP адрес, с которого пришел родительский запрос.
- `initial_port` ([UInt16](../../sql-reference/data-types/int-uint.md#uint-ranges)) — порт, пришел родительский запрос.
- `interface` ([UInt8](../../sql-reference/data-types/int-uint.md#uint-ranges)) — интерфейс, с которого ушёл запрос. Возможные значения:
- 1 — TCP.

2
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@ -27,7 +27,7 @@ slug: /ru/operations/system-tables/session_log
- `profiles` ([Array](../../sql-reference/data-types/array.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md))) — список профилей, установленных для всех ролей и (или) пользователей.
- `roles` ([Array](../../sql-reference/data-types/array.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md))) — список ролей, к которым применяется данный профиль.
- `settings` ([Array](../../sql-reference/data-types/array.md)([Tuple](../../sql-reference/data-types/tuple.md)([LowCardinality(String)](../../sql-reference/data-types/lowcardinality.md), [String](../../sql-reference/data-types/string.md)))) — настройки, которые были изменены при входе или выходе клиента из системы.
- `client_address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP-адрес, который использовался для входа или выхода из системы.
- `client_address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP-адрес, который использовался для входа или выхода из системы.
- `client_port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — порт клиента, который использовался для входа или выхода из системы.
- `interface` ([Enum8](../../sql-reference/data-types/enum.md)) — интерфейс, с которого был инициирован вход в систему. Возможные значения:
- `TCP`

2
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@ -15,7 +15,7 @@ slug: /ru/operations/system-tables/zookeeper_log
- `Finalize` — соединение разорвано, ответ не получен.
- `event_date` ([Date](../../sql-reference/data-types/date.md)) — дата, когда произошло событие.
- `event_time` ([DateTime64](../../sql-reference/data-types/datetime64.md)) — дата и время, когда произошло событие.
- `address` ([IPv6](../../sql-reference/data-types/domains/ipv6.md)) — IP адрес сервера ZooKeeper, с которого был сделан запрос.
- `address` ([IPv6](../../sql-reference/data-types/ipv6.md)) — IP адрес сервера ZooKeeper, с которого был сделан запрос.
- `port` ([UInt16](../../sql-reference/data-types/int-uint.md)) — порт сервера ZooKeeper, с которого был сделан запрос.
- `session_id` ([Int64](../../sql-reference/data-types/int-uint.md)) — идентификатор сессии, который сервер ZooKeeper создает для каждого соединения.
- `xid` ([Int32](../../sql-reference/data-types/int-uint.md)) — идентификатор запроса внутри сессии. Обычно это последовательный номер запроса, одинаковый у строки запроса и у парной строки `response`/`finalize`.

4
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@ -66,6 +66,10 @@ WITH anySimpleState(number) AS c SELECT toTypeName(c), c FROM numbers(1);
В случае применения этого комбинатора, агрегатная функция возвращает не готовое значение (например, в случае функции [uniq](reference/uniq.md#agg_function-uniq) — количество уникальных значений), а промежуточное состояние агрегации (например, в случае функции `uniq` — хэш-таблицу для расчёта количества уникальных значений), которое имеет тип `AggregateFunction(...)` и может использоваться для дальнейшей обработки или может быть сохранено в таблицу для последующей доагрегации.
:::note
Промежуточное состояние для -MapState не является инвариантом для одних и тех же исходных данные т.к. порядок данных может меняться. Это не влияет, тем не менее, на загрузку таких данных.
:::
Для работы с промежуточными состояниями предназначены:
- Движок таблиц [AggregatingMergeTree](../../engines/table-engines/mergetree-family/aggregatingmergetree.md).

29
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@ -1,12 +1,12 @@
---
slug: /ru/sql-reference/data-types/domains/ipv4
slug: /ru/sql-reference/data-types/ipv4
sidebar_position: 59
sidebar_label: IPv4
---
## IPv4 {#ipv4}
`IPv4` — это домен, базирующийся на типе данных `UInt32` предназначенный для хранения адресов IPv4. Он обеспечивает компактное хранение данных с удобным для человека форматом ввода-вывода, и явно отображаемым типом данных в структуре таблицы.
IPv4-адреса. Хранится в 4 байтах как UInt32.
### Применение {#primenenie}
@ -57,27 +57,6 @@ SELECT toTypeName(from), hex(from) FROM hits LIMIT 1;
└──────────────────┴───────────┘
```
Значения с доменным типом данных не преобразуются неявно в другие типы данных, кроме `UInt32`.
Если необходимо преобразовать значение типа `IPv4` в строку, то это необходимо делать явно с помощью функции `IPv4NumToString()`:
**См. также**
``` sql
SELECT toTypeName(s), IPv4NumToString(from) AS s FROM hits LIMIT 1;
```
``` text
┌─toTypeName(IPv4NumToString(from))─┬─s──────────────┐
│ String │ 183.247.232.58 │
└───────────────────────────────────┴────────────────┘
```
Или приводить к типу данных `UInt32`:
``` sql
SELECT toTypeName(i), CAST(from AS UInt32) AS i FROM hits LIMIT 1;
```
``` text
┌─toTypeName(CAST(from, 'UInt32'))─┬──────────i─┐
│ UInt32 │ 3086477370 │
└──────────────────────────────────┴────────────┘
```
- [Functions for Working with IPv4 and IPv6 Addresses](../functions/ip-address-functions.md)

2
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@ -1,5 +1,5 @@
---
slug: /ru/sql-reference/data-types/domains/ipv6
slug: /ru/sql-reference/data-types/ipv6
sidebar_position: 60
sidebar_label: IPv6
---

30
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@ -26,7 +26,8 @@ SELECT
## timeZone {#timezone}
Возвращает часовой пояс сервера.
Возвращает часовой пояс сервера, считающийся умолчанием для текущей сессии: значение параметра [session_timezone](../../operations/settings/settings.md#session_timezone), если установлено.
Если функция вызывается в контексте распределенной таблицы, то она генерирует обычный столбец со значениями, актуальными для каждого шарда. Иначе возвращается константа.
**Синтаксис**
@ -43,6 +44,33 @@ timeZone()
Тип: [String](../../sql-reference/data-types/string.md).
**Смотрите также**
- [serverTimeZone](#servertimezone)
## serverTimeZone {#servertimezone}
Возвращает часовой пояс сервера по умолчанию, в т.ч. установленный [timezone](../../operations/server-configuration-parameters/settings.md#server_configuration_parameters-timezone)
Если функция вызывается в контексте распределенной таблицы, то она генерирует обычный столбец со значениями, актуальными для каждого шарда. Иначе возвращается константа.
**Синтаксис**
``` sql
serverTimeZone()
```
Синонимы: `serverTimezone`.
**Возвращаемое значение**
- Часовой пояс.
Тип: [String](../../sql-reference/data-types/string.md).
**Смотрите также**
- [timeZone](#timezone)
## toTimeZone {#totimezone}
Переводит дату или дату с временем в указанный часовой пояс. Часовой пояс - это атрибут типов `Date` и `DateTime`. Внутреннее значение (количество секунд) поля таблицы или результирующего столбца не изменяется, изменяется тип поля и, соответственно, его текстовое отображение.

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