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2022 Changelog
ClickHouse release v21.12.3.32-stable FIXME as compared to v21.12.2.17-stable
Bug Fix
- Backported in #33018: - ClickHouse Keeper handler should remove operation when response sent. #32988 (JackyWoo).
Bug Fix (user-visible misbehaviour in official stable or prestable release)
- Backported in #32890: Fix LOGICAL_ERROR when the target of a materialized view is a JOIN or a SET table. #32669 (Raúl Marín).
- Backported in #33183: Server might fail to start if database with
MySQL
engine cannot connect to MySQL server, it's fixed. Fixes #14441. #32802 (Alexander Tokmakov). - Backported in #32904:
MergeTree
table engine might silently skip some mutations if there are too many running mutations or in case of high memory consumption, it's fixed. Fixes #17882. #32814 (Alexander Tokmakov). - Backported in #33047: Fix optimization with lazy seek for async reads from remote fs. Closes #32803. #32835 (Kseniia Sumarokova).
- Backported in #32932: Close #32487. #32914 (Vladimir C).
- Backported in #32962: Fix a regression in
replaceRegexpAll
function. The function worked incorrectly when matched substring was empty. This closes #32777. This closes #30245. #32945 (Alexey Milovidov). - Backported in #33067: Fix hdfs url check that didn't allow using HA namenode address. Bug was introduced in https://github.com/ClickHouse/ClickHouse/pull/31042. #32976 (Kruglov Pavel).
- Backported in #33100: Fix Context leak in case of cancel_http_readonly_queries_on_client_close (i.e. leaking of external tables that had been uploaded the the server and other resources). #32982 (Azat Khuzhin).
- Backported in #33123: Fix error
Invalid version for SerializationLowCardinality key column
in case of reading fromLowCardinality
column withlocal_filesystem_read_prefetch
orremote_filesystem_read_prefetch
enabled. #33046 (Nikolai Kochetov).
NOT FOR CHANGELOG / INSIGNIFICANT
- Improve quota's end-of-interval calculations. #32575 (Vitaly Baranov).
- Fix race in skipping index of type
hypothesis
#32756 (Anton Popov). - Always apply const-condition-if optimization. #32858 (Nikolai Kochetov).
- Merge #33024 #33061 (Alexey Milovidov).
- Merge #33022 #33062 (Alexey Milovidov).
- Merge #33050 #33065 (Alexey Milovidov).