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36 lines
5.1 KiB
Markdown
36 lines
5.1 KiB
Markdown
---
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sidebar_position: 1
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sidebar_label: 2022
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---
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# 2022 Changelog
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### ClickHouse release v21.11.6.7-stable FIXME as compared to v21.11.5.33-stable
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#### Bug Fix
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* Backported in [#32254](https://github.com/ClickHouse/ClickHouse/issues/32254): 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)).
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* Backported in [#32345](https://github.com/ClickHouse/ClickHouse/issues/32345): 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)).
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#### Bug Fix (user-visible misbehaviour in official stable release)
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* Backported in [#32152](https://github.com/ClickHouse/ClickHouse/issues/32152): 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)).
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* Backported in [#32298](https://github.com/ClickHouse/ClickHouse/issues/32298): Fix recursive user defined functions crash. Closes [#30856](https://github.com/ClickHouse/ClickHouse/issues/30856). [#31820](https://github.com/ClickHouse/ClickHouse/pull/31820) ([Maksim Kita](https://github.com/kitaisreal)).
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* Backported in [#32148](https://github.com/ClickHouse/ClickHouse/issues/32148): 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)).
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* Backported in [#32212](https://github.com/ClickHouse/ClickHouse/issues/32212): Fix `CAST` from `Nullable` with `cast_keep_nullable` (`PARAMETER_OUT_OF_BOUND` error before for i.e. `toUInt32OrDefault(toNullable(toUInt32(1)))`). [#32080](https://github.com/ClickHouse/ClickHouse/pull/32080) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#32283](https://github.com/ClickHouse/ClickHouse/issues/32283): 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)).
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* Backported in [#32482](https://github.com/ClickHouse/ClickHouse/issues/32482): 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)).
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* Backported in [#32217](https://github.com/ClickHouse/ClickHouse/issues/32217): 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)).
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* Backported in [#32311](https://github.com/ClickHouse/ClickHouse/issues/32311): 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)).
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* Backported in [#32354](https://github.com/ClickHouse/ClickHouse/issues/32354): 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)).
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* Backported in [#32392](https://github.com/ClickHouse/ClickHouse/issues/32392): 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)).
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* Backported in [#32418](https://github.com/ClickHouse/ClickHouse/issues/32418): Fixed the behavior when mutations that have nothing to do are stuck (with enabled setting `empty_result_for_aggregation_by_empty_set`). [#32358](https://github.com/ClickHouse/ClickHouse/pull/32358) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
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#### NO CL ENTRY
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* NO CL ENTRY: 'Manual backport of [#31766](https://github.com/ClickHouse/ClickHouse/issues/31766) into 21.11'. [#32202](https://github.com/ClickHouse/ClickHouse/pull/32202) ([Raúl Marín](https://github.com/Algunenano)).
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#### NOT FOR CHANGELOG / INSIGNIFICANT
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* Fix data race in `removePartAndEnqueueFetch(...)` [#32119](https://github.com/ClickHouse/ClickHouse/pull/32119) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Fix possible Pipeline stuck in case of StrictResize processor. [#32270](https://github.com/ClickHouse/ClickHouse/pull/32270) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
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