ClickHouse/docs/changelogs/v21.5.3.1-prestable.md

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1	2022

2022 Changelog

ClickHouse release v21.5.3.1-prestable FIXME as compared to v21.5.2.25-prestable

Bug Fix

• Backported in #23818: Fix crash when PREWHERE and row policy filter are both in effect with empty result. #23763 (Amos Bird).
• Backported in #23798: Fixed remote JDBC bridge timeout connection issue. Closes #9609. #23771 (Maksim Kita).
• Backported in #23815: Fix CLEAR COLUMN does not work when it is referenced by materialized view. Close #23764. #23781 (flynn).
• Backported in #23832: Fix error Can't initialize pipeline with empty pipe for queries with GLOBAL IN/JOIN and use_hedged_requests. Fixes #23431. #23805 (Nikolai Kochetov).
• Backported in #23927: HashedDictionary complex key update field initial load fix. Closes #23800. #23824 (Maksim Kita).

NOT FOR CHANGELOG / INSIGNIFICANT

• Flat, Hashed dictionary include update field bytes into bytes_allocated #23825 (Maksim Kita).