ClickHouse/docs/changelogs/v21.7.9.7-stable.md
Alexey Milovidov e0252db8d4 No prestable
2023-03-27 12:19:32 +02:00

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1 2022

2022 Changelog

ClickHouse release v21.7.9.7-stable FIXME as compared to v21.7.8.58-stable

Improvement

Bug Fix

Build/Testing/Packaging Improvement

  • Backported in #28032: Temporarily switched ubuntu apt repository to mirror ru.archive.ubuntu.com as default one(archive.ubuntu.com) is not responding from our CI. #28016 (Ilya Yatsishin).

Bug Fix (user-visible misbehaviour in official stable release)

  • Backported in #28116: Fix extremely rare segfaults on shutdown due to incorrect order of context/config reloader shutdown. #28088 (nvartolomei).
  • Backported in #28183: Fixed possible excessive number of conditions moved from WHERE to PREWHERE (optimization controlled by settings optimize_move_to_prewhere). #28139 (lthaooo).
  • Backported in #28255: Fix incorrect behavior in clickhouse-keeper when list watches (getChildren) triggered with set requests for children. #28190 (alesapin).
  • Backported in #28265: Fix possible read of uninitialized memory for queries with Nullable(LowCardinality) type and extremes. Fixes #28165. #28205 (Nikolai Kochetov).
  • Backported in #28288: Fix reading of custom TLD w/o new line at EOF. #28213 (Azat Khuzhin).
  • Backported in #28295: Fix inconsistent result in queries with ORDER BY and Merge tables with enabled setting optimize_read_in_order. #28266 (Anton Popov).

NOT FOR CHANGELOG / INSIGNIFICANT