---
sidebar_position: 1
sidebar_label: 2022
---

# 2022 Changelog

### ClickHouse release v21.3.12.2-lts FIXME as compared to v21.3.11.5-lts

#### Bug Fix
* Backported in [#24189](https://github.com/ClickHouse/ClickHouse/issues/24189): Some `ALTER PARTITION` queries might cause `Part A intersects previous part B` and `Unexpected merged part C intersecting drop range D` errors in replication queue. It's fixed. Fixes [#23296](https://github.com/ClickHouse/ClickHouse/issues/23296). [#23997](https://github.com/ClickHouse/ClickHouse/pull/23997) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#24306](https://github.com/ClickHouse/ClickHouse/issues/24306): Fixed using const `DateTime` value vs `DateTime64` column in WHERE. ... [#24100](https://github.com/ClickHouse/ClickHouse/pull/24100) ([Vasily Nemkov](https://github.com/Enmk)).
* Backported in [#24140](https://github.com/ClickHouse/ClickHouse/issues/24140): Bug: explain pipeline with` select xxx final `shows wrong pipeline: ``` dell123 :) explain pipeline select z from prewhere_move_select_final final;. [#24116](https://github.com/ClickHouse/ClickHouse/pull/24116) ([hexiaoting](https://github.com/hexiaoting)).
* Backported in [#24190](https://github.com/ClickHouse/ClickHouse/issues/24190): Fix a rare bug that could lead to a partially initialized table that can serve write requests (insert/alter/so on). Now such tables will be in readonly mode. [#24122](https://github.com/ClickHouse/ClickHouse/pull/24122) ([alesapin](https://github.com/alesapin)).
* Backported in [#24235](https://github.com/ClickHouse/ClickHouse/issues/24235): Fix race condition which could happen in RBAC under a heavy load. This PR fixes [#24090](https://github.com/ClickHouse/ClickHouse/issues/24090), [#24134](https://github.com/ClickHouse/ClickHouse/issues/24134),. [#24176](https://github.com/ClickHouse/ClickHouse/pull/24176) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#24244](https://github.com/ClickHouse/ClickHouse/issues/24244): Fix abnormal server termination due to hdfs becoming not accessible during query execution. Closes [#24117](https://github.com/ClickHouse/ClickHouse/issues/24117). [#24191](https://github.com/ClickHouse/ClickHouse/pull/24191) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#24241](https://github.com/ClickHouse/ClickHouse/issues/24241): Fix wrong typo at StorageMemory, this bug was introduced at [#15127](https://github.com/ClickHouse/ClickHouse/issues/15127), now fixed, Closes [#24192](https://github.com/ClickHouse/ClickHouse/issues/24192). [#24193](https://github.com/ClickHouse/ClickHouse/pull/24193) ([张中南](https://github.com/plugine)).
* Backported in [#24353](https://github.com/ClickHouse/ClickHouse/issues/24353): Fixed a bug in moving Materialized View from Ordinary to Atomic database (`RENAME TABLE` query). Now inner table is moved to new database together with Materialized View. Fixes [#23926](https://github.com/ClickHouse/ClickHouse/issues/23926). [#24309](https://github.com/ClickHouse/ClickHouse/pull/24309) ([Alexander Tokmakov](https://github.com/tavplubix)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Fix segfault in TSan on _exit [#23616](https://github.com/ClickHouse/ClickHouse/pull/23616) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Use memmove in PODArray::insert to handle memory overlapping. [#24271](https://github.com/ClickHouse/ClickHouse/pull/24271) ([Fu Zhe](https://github.com/fuzhe1989)).
* Fix cli argument in clickhouse-server.init [#24449](https://github.com/ClickHouse/ClickHouse/pull/24449) ([Vladimir C](https://github.com/vdimir)).
