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

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sidebar_label: 2022
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# 2022 Changelog

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

#### Bug Fix
* Backported in [#32692](https://github.com/ClickHouse/ClickHouse/issues/32692): Quota limit was not reached, but the limit was exceeded. This PR fixes [#31174](https://github.com/ClickHouse/ClickHouse/issues/31174). [#31656](https://github.com/ClickHouse/ClickHouse/pull/31656) ([sunny](https://github.com/sunny19930321)).

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

* Backported in [#32680](https://github.com/ClickHouse/ClickHouse/issues/32680): Fix unexpected projection removal when detaching parts. [#32067](https://github.com/ClickHouse/ClickHouse/pull/32067) ([Amos Bird](https://github.com/amosbird)).
* Backported in [#32285](https://github.com/ClickHouse/ClickHouse/issues/32285): Dictionaries fix cases when `{condition}` does not work for custom database queries. [#32117](https://github.com/ClickHouse/ClickHouse/pull/32117) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#32730](https://github.com/ClickHouse/ClickHouse/issues/32730): Fix 'APPLY lambda' parsing which could lead to client/server crash. [#32138](https://github.com/ClickHouse/ClickHouse/pull/32138) ([Kruglov Pavel](https://github.com/Avogar)).
* Backported in [#32313](https://github.com/ClickHouse/ClickHouse/issues/32313): XML dictionaries identifiers, used in table create query, can be qualified to `default_database` during upgrade to newer version. Closes [#31963](https://github.com/ClickHouse/ClickHouse/issues/31963). [#32187](https://github.com/ClickHouse/ClickHouse/pull/32187) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#32539](https://github.com/ClickHouse/ClickHouse/issues/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](https://github.com/ClickHouse/ClickHouse/issues/29616). [#32201](https://github.com/ClickHouse/ClickHouse/pull/32201) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#32709](https://github.com/ClickHouse/ClickHouse/issues/32709): Fix failures in queries that are trying to use skipping indices, which are not materialized yet. Fixes [#32292](https://github.com/ClickHouse/ClickHouse/issues/32292) and [#30343](https://github.com/ClickHouse/ClickHouse/issues/30343). [#32359](https://github.com/ClickHouse/ClickHouse/pull/32359) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#32567](https://github.com/ClickHouse/ClickHouse/issues/32567): Fix crash in `JoinCommon::removeColumnNullability`, close [#32458](https://github.com/ClickHouse/ClickHouse/issues/32458). [#32508](https://github.com/ClickHouse/ClickHouse/pull/32508) ([Vladimir C](https://github.com/vdimir)).
* Backported in [#32794](https://github.com/ClickHouse/ClickHouse/issues/32794): fix crash when used fuzzBits with multiply same FixedString, Close [#32737](https://github.com/ClickHouse/ClickHouse/issues/32737). [#32755](https://github.com/ClickHouse/ClickHouse/pull/32755) ([SuperDJY](https://github.com/cmsxbc)).
* Backported in [#33182](https://github.com/ClickHouse/ClickHouse/issues/33182): Server might fail to start if database with `MySQL` engine cannot connect to MySQL server, it's fixed. Fixes [#14441](https://github.com/ClickHouse/ClickHouse/issues/14441). [#32802](https://github.com/ClickHouse/ClickHouse/pull/32802) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#33655](https://github.com/ClickHouse/ClickHouse/issues/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](https://github.com/ClickHouse/ClickHouse/pull/32976) ([Kruglov Pavel](https://github.com/Avogar)).

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

* Backported in [#32657](https://github.com/ClickHouse/ClickHouse/issues/32657): Fix possible crash (or incorrect result) in case of `LowCardinality` arguments of window function. Fixes [#31114](https://github.com/ClickHouse/ClickHouse/issues/31114). [#31888](https://github.com/ClickHouse/ClickHouse/pull/31888) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Fix data race in ProtobufSchemas [#27822](https://github.com/ClickHouse/ClickHouse/pull/27822) ([filimonov](https://github.com/filimonov)).
* Fix possible Pipeline stuck in case of StrictResize processor. [#32270](https://github.com/ClickHouse/ClickHouse/pull/32270) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix arraySlice with null args. [#32456](https://github.com/ClickHouse/ClickHouse/pull/32456) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix crash in case of MATERIALIZE COLUMN with no default expression. [#32464](https://github.com/ClickHouse/ClickHouse/pull/32464) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Fix queries with hasColumnInTable constant condition and non existing column [#32506](https://github.com/ClickHouse/ClickHouse/pull/32506) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Merge [#33024](https://github.com/ClickHouse/ClickHouse/issues/33024) [#33061](https://github.com/ClickHouse/ClickHouse/pull/33061) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Merge [#33022](https://github.com/ClickHouse/ClickHouse/issues/33022) [#33062](https://github.com/ClickHouse/ClickHouse/pull/33062) ([Alexey Milovidov](https://github.com/alexey-milovidov)).