ClickHouse/docs/changelogs/v21.10.6.2-stable.md

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1	2022

2022 Changelog

ClickHouse release v21.10.6.2-stable FIXME as compared to v21.10.5.3-stable

Bug Fix

• Backported in #32692: Quota limit was not reached, but the limit was exceeded. This PR fixes #31174. #31656 (sunny).

Bug Fix (user-visible misbehaviour in official stable or prestable release)

• Backported in #32680: Fix unexpected projection removal when detaching parts. #32067 (Amos Bird).
• Backported in #32285: Dictionaries fix cases when {condition} does not work for custom database queries. #32117 (Maksim Kita).
• Backported in #32730: Fix 'APPLY lambda' parsing which could lead to client/server crash. #32138 (Kruglov Pavel).
• Backported in #32313: XML dictionaries identifiers, used in table create query, can be qualified to default_database during upgrade to newer version. Closes #31963. #32187 (Maksim Kita).
• Backported in #32539: Some replication queue entries might hang for temporary_directories_lifetime (1 day by default) with Directory tmp_merge_<part_name> or Part ... (state Deleting) already exists, but it will be deleted soon or similar error. It's fixed. Fixes #29616. #32201 (Alexander Tokmakov).
• Backported in #32709: Fix failures in queries that are trying to use skipping indices, which are not materialized yet. Fixes #32292 and #30343. #32359 (Anton Popov).
• Backported in #32567: Fix crash in JoinCommon::removeColumnNullability, close #32458. #32508 (Vladimir C).
• Backported in #32794: fix crash when used fuzzBits with multiply same FixedString, Close #32737. #32755 (SuperDJY).
• Backported in #33182: 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 #33655: 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).

Bug Fix (user-visible misbehaviour in official stable or prestable release):

• Backported in #32657: Fix possible crash (or incorrect result) in case of LowCardinality arguments of window function. Fixes #31114. #31888 (Nikolai Kochetov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Fix data race in ProtobufSchemas #27822 (filimonov).
• Fix possible Pipeline stuck in case of StrictResize processor. #32270 (Nikolai Kochetov).
• Fix arraySlice with null args. #32456 (Nikolai Kochetov).
• Fix crash in case of MATERIALIZE COLUMN with no default expression. #32464 (Nikolai Kochetov).
• Fix queries with hasColumnInTable constant condition and non existing column #32506 (Nikolai Kochetov).
• Merge #33024 #33061 (Alexey Milovidov).
• Merge #33022 #33062 (Alexey Milovidov).