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22 lines
2.5 KiB
Markdown
22 lines
2.5 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 v21.3.3.14-lts FIXME as compared to v21.3.2.5-lts
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#### Bug Fix
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* Backported in [#21644](https://github.com/ClickHouse/ClickHouse/issues/21644): Fix that S3 table holds old credentials after config update. [#21457](https://github.com/ClickHouse/ClickHouse/pull/21457) ([Pervakov Grigorii](https://github.com/GrigoryPervakov)).
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* Backported in [#21854](https://github.com/ClickHouse/ClickHouse/issues/21854): Fix possible error ` Cannot find column` when `optimize_skip_unused_shards` is enabled and zero shards are used. [#21579](https://github.com/ClickHouse/ClickHouse/pull/21579) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#21687](https://github.com/ClickHouse/ClickHouse/issues/21687): Fix fsync_part_directory for horizontal merge. [#21642](https://github.com/ClickHouse/ClickHouse/pull/21642) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#21796](https://github.com/ClickHouse/ClickHouse/issues/21796): Fix distributed requests cancellation (for example simple select from multiple shards with limit, i.e. `select * from remote('127.{2,3}', system.numbers) limit 100`) with `async_socket_for_remote=1`. [#21643](https://github.com/ClickHouse/ClickHouse/pull/21643) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#21811](https://github.com/ClickHouse/ClickHouse/issues/21811): Fix bug for ReplicatedMerge table engines when `ALTER MODIFY COLUMN` query doesn't change the type of decimal column if its size (32 bit or 64 bit) doesn't change. [#21728](https://github.com/ClickHouse/ClickHouse/pull/21728) ([alesapin](https://github.com/alesapin)).
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* Backported in [#21883](https://github.com/ClickHouse/ClickHouse/issues/21883): Reverted S3 connection pools. [#21737](https://github.com/ClickHouse/ClickHouse/pull/21737) ([Vladimir Chebotarev](https://github.com/excitoon)).
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* Backported in [#21874](https://github.com/ClickHouse/ClickHouse/issues/21874): Fix incorrect query result (and possible crash) which could happen when `WHERE` or `HAVING` condition is pushed before `GROUP BY`. Fixes [#21773](https://github.com/ClickHouse/ClickHouse/issues/21773). [#21841](https://github.com/ClickHouse/ClickHouse/pull/21841) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
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#### NOT FOR CHANGELOG / INSIGNIFICANT
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* fix incorrect number of rows for Chunks with no columns in PartialSor… [#21761](https://github.com/ClickHouse/ClickHouse/pull/21761) ([Alexander Kuzmenkov](https://github.com/akuzm)).
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