ClickHouse/docs/changelogs/v21.3.12.2-lts.md

sidebar_position	sidebar_label
1	2022

2022 Changelog

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

Bug Fix

• Backported in #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. #23997 (Alexander Tokmakov).
• Backported in #24306: Fixed using const DateTime value vs DateTime64 column in WHERE. ... #24100 (Vasily Nemkov).
• Backported in #24140: Bug: explain pipeline withselect xxx finalshows wrong pipeline: ``` dell123 :) explain pipeline select z from prewhere_move_select_final final;. #24116 (hexiaoting).
• Backported in #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 (alesapin).
• Backported in #24235: Fix race condition which could happen in RBAC under a heavy load. This PR fixes #24090, #24134,. #24176 (Vitaly Baranov).
• Backported in #24244: Fix abnormal server termination due to hdfs becoming not accessible during query execution. Closes #24117. #24191 (Kseniia Sumarokova).
• Backported in #24241: Fix wrong typo at StorageMemory, this bug was introduced at #15127, now fixed, Closes #24192. #24193 (张中南).
• Backported in #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. #24309 (Alexander Tokmakov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Fix segfault in TSan on _exit #23616 (Alexey Milovidov).
• Use memmove in PODArray::insert to handle memory overlapping. #24271 (Fu Zhe).
• Fix cli argument in clickhouse-server.init #24449 (Vladimir C).