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37 lines
5.5 KiB
Markdown
37 lines
5.5 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 v21.10.4.26-stable FIXME as compared to v21.10.3.9-stable
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#### Performance Improvement
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* Backported in [#31731](https://github.com/ClickHouse/ClickHouse/issues/31731): Improve performance of JSON and XML output formats. [#31673](https://github.com/ClickHouse/ClickHouse/pull/31673) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
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#### Bug Fix
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* Backported in [#31573](https://github.com/ClickHouse/ClickHouse/issues/31573): Quota limit was not reached, but the limit was exceeded. This PR fixes [#31174](https://github.com/ClickHouse/ClickHouse/issues/31174). [#31337](https://github.com/ClickHouse/ClickHouse/pull/31337) ([sunny](https://github.com/sunny19930321)).
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#### Bug Fix (user-visible misbehaviour in official stable or prestable release)
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* Backported in [#31518](https://github.com/ClickHouse/ClickHouse/issues/31518): Remove not like function into RPNElement. [#31169](https://github.com/ClickHouse/ClickHouse/pull/31169) ([sundyli](https://github.com/sundy-li)).
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* Backported in [#31554](https://github.com/ClickHouse/ClickHouse/issues/31554): Resolve `nullptr` in STS credentials provider for S3. [#31409](https://github.com/ClickHouse/ClickHouse/pull/31409) ([Vladimir Chebotarev](https://github.com/excitoon)).
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* Backported in [#31579](https://github.com/ClickHouse/ClickHouse/issues/31579): * Disable `partial_merge_join_left_table_buffer_bytes` before bug in this optimization is fixed. See [#31009](https://github.com/ClickHouse/ClickHouse/issues/31009)). * Remove redundant option `partial_merge_join_optimizations`. [#31528](https://github.com/ClickHouse/ClickHouse/pull/31528) ([Vladimir C](https://github.com/vdimir)).
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* Backported in [#31745](https://github.com/ClickHouse/ClickHouse/issues/31745): `RENAME TABLE` query worked incorrectly on attempt to rename an DDL dictionary in `Ordinary` database, it's fixed. [#31638](https://github.com/ClickHouse/ClickHouse/pull/31638) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31794](https://github.com/ClickHouse/ClickHouse/issues/31794): Settings `input_format_allow_errors_num` and `input_format_allow_errors_ratio` did not work for parsing of domain types, such as `IPv4`, it's fixed. Fixes [#31686](https://github.com/ClickHouse/ClickHouse/issues/31686). [#31697](https://github.com/ClickHouse/ClickHouse/pull/31697) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31830](https://github.com/ClickHouse/ClickHouse/issues/31830): Fixed `there are no such cluster here` error on execution of `ON CLUSTER` query if specified cluster name is name of `Replicated` database. [#31723](https://github.com/ClickHouse/ClickHouse/pull/31723) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31815](https://github.com/ClickHouse/ClickHouse/issues/31815): Fix race in JSONEachRowWithProgress output format when data and lines with progress are mixed in output. [#31736](https://github.com/ClickHouse/ClickHouse/pull/31736) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#32016](https://github.com/ClickHouse/ClickHouse/issues/32016): Fix group by / order by / limit by aliases with positional arguments enabled. Closes [#31173](https://github.com/ClickHouse/ClickHouse/issues/31173). [#31741](https://github.com/ClickHouse/ClickHouse/pull/31741) ([Kseniia Sumarokova](https://github.com/kssenii)).
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* Backported in [#31762](https://github.com/ClickHouse/ClickHouse/issues/31762): Fix usage of `Buffer` table engine with type `Map`. Fixes [#30546](https://github.com/ClickHouse/ClickHouse/issues/30546). [#31742](https://github.com/ClickHouse/ClickHouse/pull/31742) ([Anton Popov](https://github.com/CurtizJ)).
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* Backported in [#31892](https://github.com/ClickHouse/ClickHouse/issues/31892): Fix possible assertion `../src/IO/ReadBuffer.h:58: bool DB::ReadBuffer::next(): Assertion '!hasPendingData()' failed.` in TSKV format. [#31804](https://github.com/ClickHouse/ClickHouse/pull/31804) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#32031](https://github.com/ClickHouse/ClickHouse/issues/32031): Fix invalid cast of nullable type when nullable primary key is used. This fixes [#31075](https://github.com/ClickHouse/ClickHouse/issues/31075). [#31823](https://github.com/ClickHouse/ClickHouse/pull/31823) ([Amos Bird](https://github.com/amosbird)).
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* Backported in [#32074](https://github.com/ClickHouse/ClickHouse/issues/32074): Fix a bug about function transform with decimal args. [#31839](https://github.com/ClickHouse/ClickHouse/pull/31839) ([Shuai li](https://github.com/loneylee)).
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* Backported in [#31939](https://github.com/ClickHouse/ClickHouse/issues/31939): - Change configuration path from `keeper_server.session_timeout_ms` to `keeper_server.coordination_settings.session_timeout_ms` when constructing a `KeeperTCPHandler` - Same with `operation_timeout`. [#31859](https://github.com/ClickHouse/ClickHouse/pull/31859) ([JackyWoo](https://github.com/JackyWoo)).
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* Backported in [#31909](https://github.com/ClickHouse/ClickHouse/issues/31909): Fix functions `empty` and `notEmpty` with arguments of `UUID` type. Fixes [#31819](https://github.com/ClickHouse/ClickHouse/issues/31819). [#31883](https://github.com/ClickHouse/ClickHouse/pull/31883) ([Anton Popov](https://github.com/CurtizJ)).
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#### NOT FOR CHANGELOG / INSIGNIFICANT
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* Support toUInt8/toInt8 for if constant condition optimization. [#31866](https://github.com/ClickHouse/ClickHouse/pull/31866) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
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