ClickHouse/docs/changelogs/v21.10.5.3-stable.md

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sidebar_label: 2022
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# 2022 Changelog

### ClickHouse release v21.10.5.3-stable FIXME as compared to v21.10.4.26-stable

#### Bug Fix
* Backported in [#32252](https://github.com/ClickHouse/ClickHouse/issues/32252): Fix skipping columns while writing protobuf. This PR fixes [#31160](https://github.com/ClickHouse/ClickHouse/issues/31160), see the comment [#31160](https://github.com/ClickHouse/ClickHouse/issues/31160)#issuecomment-980595318. [#31988](https://github.com/ClickHouse/ClickHouse/pull/31988) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#32346](https://github.com/ClickHouse/ClickHouse/issues/32346): Fix bug when remove unneeded columns in subquery. If there is an aggregation function in query without group by, do not remove if it is unneeded. [#32289](https://github.com/ClickHouse/ClickHouse/pull/32289) ([dongyifeng](https://github.com/dyf6372)).

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

* Backported in [#32151](https://github.com/ClickHouse/ClickHouse/issues/32151): Fix crash when function `dictGet` with type is used for dictionary attribute when type is `Nullable`. Fixes [#30980](https://github.com/ClickHouse/ClickHouse/issues/30980). [#31800](https://github.com/ClickHouse/ClickHouse/pull/31800) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#32093](https://github.com/ClickHouse/ClickHouse/issues/32093): 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 or `Date[Time]`. Fixes [#31485](https://github.com/ClickHouse/ClickHouse/issues/31485). [#31887](https://github.com/ClickHouse/ClickHouse/pull/31887) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#32147](https://github.com/ClickHouse/ClickHouse/issues/32147): Fixed `Directory ... already exists and is not empty` error when detaching part. [#32063](https://github.com/ClickHouse/ClickHouse/pull/32063) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#32216](https://github.com/ClickHouse/ClickHouse/issues/32216): Number of active replicas might be determined incorrectly when inserting with quorum if setting `replicated_can_become_leader` is disabled on some replicas. It's fixed. [#32157](https://github.com/ClickHouse/ClickHouse/pull/32157) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#32352](https://github.com/ClickHouse/ClickHouse/issues/32352): Fixed crash with SIGFPE in aggregate function `avgWeighted` with `Decimal` argument. Fixes [#32053](https://github.com/ClickHouse/ClickHouse/issues/32053). [#32303](https://github.com/ClickHouse/ClickHouse/pull/32303) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#32393](https://github.com/ClickHouse/ClickHouse/issues/32393): Fix `ALTER ... MATERIALIZE COLUMN ...` queries in case when data type of default expression is not equal to the data type of column. [#32348](https://github.com/ClickHouse/ClickHouse/pull/32348) ([Anton Popov](https://github.com/CurtizJ)).