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19 lines
2.8 KiB
Markdown
19 lines
2.8 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 v21.2.5.5-stable FIXME as compared to v21.2.4.6-stable
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#### Bug Fix
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* Backported in [#20574](https://github.com/ClickHouse/ClickHouse/issues/20574): Fix crash which could happen if unknown packet was received from remove query (was introduced in [#17868](https://github.com/ClickHouse/ClickHouse/issues/17868)). [#20547](https://github.com/ClickHouse/ClickHouse/pull/20547) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#21006](https://github.com/ClickHouse/ClickHouse/issues/21006): Fix 'Empty task was returned from async task queue' on query cancellation. [#20881](https://github.com/ClickHouse/ClickHouse/pull/20881) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#21132](https://github.com/ClickHouse/ClickHouse/issues/21132): Fixed behaviour, when `ALTER MODIFY COLUMN` created mutation, that will knowingly fail. [#21007](https://github.com/ClickHouse/ClickHouse/pull/21007) ([Anton Popov](https://github.com/CurtizJ)).
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* Backported in [#21251](https://github.com/ClickHouse/ClickHouse/issues/21251): - Block parallel insertions into storage join. [#21009](https://github.com/ClickHouse/ClickHouse/pull/21009) ([Vladimir C](https://github.com/vdimir)).
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* Backported in [#21069](https://github.com/ClickHouse/ClickHouse/issues/21069): Out of bound memory access was possible when formatting specifically crafted out of range value of type `DateTime64`. This closes [#20494](https://github.com/ClickHouse/ClickHouse/issues/20494). This closes [#20543](https://github.com/ClickHouse/ClickHouse/issues/20543). [#21023](https://github.com/ClickHouse/ClickHouse/pull/21023) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
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* Backported in [#21160](https://github.com/ClickHouse/ClickHouse/issues/21160): Fix `input_format_null_as_default` take effective when types are nullable. This fixes [#21116](https://github.com/ClickHouse/ClickHouse/issues/21116) . [#21121](https://github.com/ClickHouse/ClickHouse/pull/21121) ([Amos Bird](https://github.com/amosbird)).
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* Backported in [#21228](https://github.com/ClickHouse/ClickHouse/issues/21228): Fixes [#21112](https://github.com/ClickHouse/ClickHouse/issues/21112). Fixed bug that could cause duplicates with insert query (if one of the callbacks came a little too late). [#21138](https://github.com/ClickHouse/ClickHouse/pull/21138) ([Kseniia Sumarokova](https://github.com/kssenii)).
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* Backported in [#21276](https://github.com/ClickHouse/ClickHouse/issues/21276): Fix bug with `join_use_nulls` and joining `TOTALS` from subqueries. This closes [#19362](https://github.com/ClickHouse/ClickHouse/issues/19362) and [#21137](https://github.com/ClickHouse/ClickHouse/issues/21137). [#21248](https://github.com/ClickHouse/ClickHouse/pull/21248) ([Vladimir C](https://github.com/vdimir)).
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