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2022 Changelog
ClickHouse release v21.10.4.26-stable FIXME as compared to v21.10.3.9-stable
Performance Improvement
- Backported in #31731: Improve performance of JSON and XML output formats. #31673 (Alexey Milovidov).
Bug Fix
- Backported in #31573: Quota limit was not reached, but the limit was exceeded. This PR fixes #31174. #31337 (sunny).
Bug Fix (user-visible misbehaviour in official stable release)
- Backported in #31518: Remove not like function into RPNElement. #31169 (sundyli).
- Backported in #31554: Resolve
nullptr
in STS credentials provider for S3. #31409 (Vladimir Chebotarev). - Backported in #31579: * Disable
partial_merge_join_left_table_buffer_bytes
before bug in this optimization is fixed. See #31009). * Remove redundant optionpartial_merge_join_optimizations
. #31528 (Vladimir C). - Backported in #31745:
RENAME TABLE
query worked incorrectly on attempt to rename an DDL dictionary inOrdinary
database, it's fixed. #31638 (Alexander Tokmakov). - Backported in #31794: Settings
input_format_allow_errors_num
andinput_format_allow_errors_ratio
did not work for parsing of domain types, such asIPv4
, it's fixed. Fixes #31686. #31697 (Alexander Tokmakov). - Backported in #31830: Fixed
there are no such cluster here
error on execution ofON CLUSTER
query if specified cluster name is name ofReplicated
database. #31723 (Alexander Tokmakov). - Backported in #31815: Fix race in JSONEachRowWithProgress output format when data and lines with progress are mixed in output. #31736 (Kruglov Pavel).
- Backported in #32016: Fix group by / order by / limit by aliases with positional arguments enabled. Closes #31173. #31741 (Kseniia Sumarokova).
- Backported in #31762: Fix usage of
Buffer
table engine with typeMap
. Fixes #30546. #31742 (Anton Popov). - Backported in #31892: Fix possible assertion
../src/IO/ReadBuffer.h:58: bool DB::ReadBuffer::next(): Assertion '!hasPendingData()' failed.
in TSKV format. #31804 (Kruglov Pavel). - Backported in #32031: Fix invalid cast of nullable type when nullable primary key is used. This fixes #31075. #31823 (Amos Bird).
- Backported in #32074: Fix a bug about function transform with decimal args. #31839 (Shuai li).
- Backported in #31939: - Change configuration path from
keeper_server.session_timeout_ms
tokeeper_server.coordination_settings.session_timeout_ms
when constructing aKeeperTCPHandler
- Same withoperation_timeout
. #31859 (JackyWoo). - Backported in #31909: Fix functions
empty
andnotEmpty
with arguments ofUUID
type. Fixes #31819. #31883 (Anton Popov).
NOT FOR CHANGELOG / INSIGNIFICANT
- Support toUInt8/toInt8 for if constant condition optimization. #31866 (Nikolai Kochetov).