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2022 Changelog
ClickHouse release v21.11.5.33-stable FIXME as compared to v21.11.4.14-stable
Performance Improvement
- Backported in #31735: Improve performance of JSON and XML output formats. #31673 (Alexey Milovidov).
Bug Fix
- Backported in #31572: Quota limit was not reached, but the limit was exceeded. This PR fixes #31174. #31337 (sunny).
Bug Fix (user-visible misbehaviour in official stable or prestable release)
- Backported in #31517: Remove not like function into RPNElement. #31169 (sundyli).
- Backported in #31551: Resolve
nullptr
in STS credentials provider for S3. #31409 (Vladimir Chebotarev). - Backported in #31580: * 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 #31600: Fix invalid generated JSON when only column names contain invalid UTF-8 sequences. #31534 (Kevin Michel).
- Backported in #31593: All non-x86 builds were broken, because we don't have tests for them. This closes #31417. This closes #31524. #31574 (Alexey Milovidov).
- Backported in #31795: Fix sparkbars are not aligned, see: #26175#issuecomment-960353867, comment. #31624 (小路).
- Backported in #31747:
RENAME TABLE
query worked incorrectly on attempt to rename an DDL dictionary inOrdinary
database, it's fixed. #31638 (Alexander Tokmakov). - Backported in #31791: 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 #31895: * Fixed function ngrams when string contains utf8 characters. #31706 (yandd).
- Backported in #31831: 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 #31814: Fix race in JSONEachRowWithProgress output format when data and lines with progress are mixed in output. #31736 (Kruglov Pavel).
- Backported in #32015: Fixed rare segfault on concurrent
ATTACH PARTITION
queries. #31738 (Alexander Tokmakov). - Backported in #32017: Fix group by / order by / limit by aliases with positional arguments enabled. Closes #31173. #31741 (Kseniia Sumarokova).
- Backported in #31760: Fix usage of
Buffer
table engine with typeMap
. Fixes #30546. #31742 (Anton Popov). - Backported in #31891: Fix possible assertion
../src/IO/ReadBuffer.h:58: bool DB::ReadBuffer::next(): Assertion '!hasPendingData()' failed.
in TSKV format. #31804 (Kruglov Pavel). - Backported in #32029: Fix invalid cast of nullable type when nullable primary key is used. This fixes #31075. #31823 (Amos Bird).
- Backported in #31920: Fix reading from
MergeTree
tables with enableduse_uncompressed_cache
. #31826 (Anton Popov). - Backported in #32076: Fix a bug about function transform with decimal args. #31839 (Shuai li).
- Backported in #31938: - 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 #31908: Fix functions
empty
andnotEmpty
with arguments ofUUID
type. Fixes #31819. #31883 (Anton Popov). - Backported in #32091: Some
GET_PART
entry might hang in replication queue if part is lost on all replicas and there are no other parts in the same partition. It's fixed in cases when partition key contains only columns of integer types orDate[Time]
. Fixes #31485. #31887 (Alexander Tokmakov). - Backported in #32020: Fix FileLog engine unnesessary create meta data directory when create table failed. Fix #31962. #31967 (flynn).
NOT FOR CHANGELOG / INSIGNIFICANT
- Support toUInt8/toInt8 for if constant condition optimization. #31866 (Nikolai Kochetov).