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ClickHouse/docs/changelogs/v21.1.3.32-stable.md

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---
sidebar_position: 1
sidebar_label: 2022
---
# 2022 Changelog
### ClickHouse release v21.1.3.32-stable FIXME as compared to v21.1.2.15-stable
#### Bug Fix
* Backported in [#19654](https://github.com/ClickHouse/ClickHouse/issues/19654): fix data type convert issue for mysql engine ... [#18124](https://github.com/ClickHouse/ClickHouse/pull/18124) ([bo zeng](https://github.com/mis98zb)).
* Backported in [#19423](https://github.com/ClickHouse/ClickHouse/issues/19423): Disable constant folding for subqueries on the analysis stage, when the result cannot be calculated. [#18446](https://github.com/ClickHouse/ClickHouse/pull/18446) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#19458](https://github.com/ClickHouse/ClickHouse/issues/19458): Fixed `There is no checkpoint` error when inserting data through http interface using `Template` or `CustomSeparated` format. Fixes [#19021](https://github.com/ClickHouse/ClickHouse/issues/19021). [#19072](https://github.com/ClickHouse/ClickHouse/pull/19072) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#19271](https://github.com/ClickHouse/ClickHouse/issues/19271): Fix bug when concurrent `ALTER` and `DROP` queries may hang while processing ReplicatedMergeTree table. [#19237](https://github.com/ClickHouse/ClickHouse/pull/19237) ([alesapin](https://github.com/alesapin)).
* Backported in [#19425](https://github.com/ClickHouse/ClickHouse/issues/19425): Fix error `Cannot convert column now64() because it is constant but values of constants are different in source and result`. Continuation of [#7156](https://github.com/ClickHouse/ClickHouse/issues/7156). [#19316](https://github.com/ClickHouse/ClickHouse/pull/19316) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#19456](https://github.com/ClickHouse/ClickHouse/issues/19456): Fixed possible wrong result or segfault on aggregation when Materialized View and its target table have different structure. Fixes [#18063](https://github.com/ClickHouse/ClickHouse/issues/18063). [#19322](https://github.com/ClickHouse/ClickHouse/pull/19322) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#19554](https://github.com/ClickHouse/ClickHouse/issues/19554): Fix system.parts _state column (LOGICAL_ERROR when querying this column, due to incorrect order). [#19346](https://github.com/ClickHouse/ClickHouse/pull/19346) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#19506](https://github.com/ClickHouse/ClickHouse/issues/19506): Added `cast`, `accurateCast`, `accurateCastOrNull` performance tests. [#19354](https://github.com/ClickHouse/ClickHouse/pull/19354) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#19471](https://github.com/ClickHouse/ClickHouse/issues/19471): - Fix default value in join types with non-zero default (e.g. some Enums). Closes [#18197](https://github.com/ClickHouse/ClickHouse/issues/18197). [#19360](https://github.com/ClickHouse/ClickHouse/pull/19360) ([Vladimir C](https://github.com/vdimir)).
* Backported in [#19438](https://github.com/ClickHouse/ClickHouse/issues/19438): Fix possible buffer overflow in Uber H3 library. See https://github.com/uber/h3/issues/392. This closes [#19219](https://github.com/ClickHouse/ClickHouse/issues/19219). [#19383](https://github.com/ClickHouse/ClickHouse/pull/19383) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19485](https://github.com/ClickHouse/ClickHouse/issues/19485): Uninitialized memory read was possible in encrypt/decrypt functions if empty string was passed as IV. This closes [#19391](https://github.com/ClickHouse/ClickHouse/issues/19391). [#19397](https://github.com/ClickHouse/ClickHouse/pull/19397) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19615](https://github.com/ClickHouse/ClickHouse/issues/19615): Fixed very rare bug that might cause mutation to hang after `DROP/DETACH/REPLACE/MOVE PARTITION`. It was partially fixed by [#15537](https://github.com/ClickHouse/ClickHouse/issues/15537) for the most cases. [#19443](https://github.com/ClickHouse/ClickHouse/pull/19443) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#19507](https://github.com/ClickHouse/ClickHouse/issues/19507): Buffer overflow (on memory read) was possible if `addMonth` function was called with specifically crafted arguments. This fixes [#19441](https://github.com/ClickHouse/ClickHouse/issues/19441). This fixes [#19413](https://github.com/ClickHouse/ClickHouse/issues/19413). [#19472](https://github.com/ClickHouse/ClickHouse/pull/19472) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19539](https://github.com/ClickHouse/ClickHouse/issues/19539): Fix SIGSEGV with merge_tree_min_rows_for_concurrent_read/merge_tree_min_bytes_for_concurrent_read=0/UINT64_MAX. [#19528](https://github.com/ClickHouse/ClickHouse/pull/19528) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#19640](https://github.com/ClickHouse/ClickHouse/issues/19640): Query CREATE DICTIONARY id expression fix. [#19571](https://github.com/ClickHouse/ClickHouse/pull/19571) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#19636](https://github.com/ClickHouse/ClickHouse/issues/19636): `DROP/DETACH TABLE table ON CLUSTER cluster SYNC` query might hang, it's fixed. Fixes [#19568](https://github.com/ClickHouse/ClickHouse/issues/19568). [#19572](https://github.com/ClickHouse/ClickHouse/pull/19572) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#19650](https://github.com/ClickHouse/ClickHouse/issues/19650): Fix use-after-free of the CompressedWriteBuffer in Connection after disconnect. [#19599](https://github.com/ClickHouse/ClickHouse/pull/19599) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#19738](https://github.com/ClickHouse/ClickHouse/issues/19738): Fix wrong result of function `neighbor` for `LowCardinality` argument. Fixes [#10333](https://github.com/ClickHouse/ClickHouse/issues/10333). [#19617](https://github.com/ClickHouse/ClickHouse/pull/19617) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#19700](https://github.com/ClickHouse/ClickHouse/issues/19700): Some functions with big integers may cause segfault. Big integers is experimental feature. This closes [#19667](https://github.com/ClickHouse/ClickHouse/issues/19667). [#19672](https://github.com/ClickHouse/ClickHouse/pull/19672) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19742](https://github.com/ClickHouse/ClickHouse/issues/19742): Fix a segmentation fault in `bitmapAndnot` function. Fixes [#19668](https://github.com/ClickHouse/ClickHouse/issues/19668). [#19713](https://github.com/ClickHouse/ClickHouse/pull/19713) ([Maksim Kita](https://github.com/kitaisreal)).
* Backported in [#19782](https://github.com/ClickHouse/ClickHouse/issues/19782): Fix crash when nested column name was used in `WHERE` or `PREWHERE`. Fixes [#19755](https://github.com/ClickHouse/ClickHouse/issues/19755). [#19763](https://github.com/ClickHouse/ClickHouse/pull/19763) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#19870](https://github.com/ClickHouse/ClickHouse/issues/19870): Fixed stack overflow when using accurate comparison of arithmetic type with string type. [#19773](https://github.com/ClickHouse/ClickHouse/pull/19773) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#19814](https://github.com/ClickHouse/ClickHouse/issues/19814): In previous versions, unusual arguments for function arrayEnumerateUniq may cause crash or infinite loop. This closes [#19787](https://github.com/ClickHouse/ClickHouse/issues/19787). [#19788](https://github.com/ClickHouse/ClickHouse/pull/19788) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19835](https://github.com/ClickHouse/ClickHouse/issues/19835): Fix filtering by UInt8 greater than 127. [#19799](https://github.com/ClickHouse/ClickHouse/pull/19799) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#19910](https://github.com/ClickHouse/ClickHouse/issues/19910): Fix crash when pushing down predicates to union distinct subquery. This fixes [#19855](https://github.com/ClickHouse/ClickHouse/issues/19855). [#19861](https://github.com/ClickHouse/ClickHouse/pull/19861) ([Amos Bird](https://github.com/amosbird)).
* Backported in [#19938](https://github.com/ClickHouse/ClickHouse/issues/19938): Deadlock was possible if system.text_log is enabled. This fixes [#19874](https://github.com/ClickHouse/ClickHouse/issues/19874). [#19875](https://github.com/ClickHouse/ClickHouse/pull/19875) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#19934](https://github.com/ClickHouse/ClickHouse/issues/19934): BloomFilter index crash fix. Fixes [#19757](https://github.com/ClickHouse/ClickHouse/issues/19757). [#19884](https://github.com/ClickHouse/ClickHouse/pull/19884) ([Maksim Kita](https://github.com/kitaisreal)).
#### NOT FOR CHANGELOG / INSIGNIFICANT
* Update Dragonbox [#19218](https://github.com/ClickHouse/ClickHouse/pull/19218) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
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