ClickHouse/docs/changelogs/v24.8.8.17-lts.md

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1 2024

2024 Changelog

ClickHouse release v24.8.8.17-lts (81036bd118) FIXME as compared to v24.8.7.41-lts (e28553d4f2)

Improvement

Bug Fix (user-visible misbehavior in an official stable release)

  • Backported in #71981: After this issue there are quite a few table replicas in production such that their metadata_version node value is both equal to 0 and is different from the respective table's metadata node version. This leads to alter queries failing on such replicas. #69274 (Miсhael Stetsyuk).
  • Backported in #72142: Acquiring zero-copy shared lock before moving a part to zero-copy disk to prevent possible data loss if Keeper is unavailable. #71845 (Aleksei Filatov).
  • Backported in #72038: Fix exception for toDayOfWeek on WHERE condition with primary key of DateTime64 type. #71849 (Yakov Olkhovskiy).
  • Backported in #72032: Fix Illegal type error for MergeTree tables with binary monotonic function in ORDER BY when the first argument is constant. Fixes #71941. #71966 (Nikolai Kochetov).
  • Backported in #72155: Allow only SELECT queries in EXPLAIN AST used inside subquery. Other types of queries lead to logical error: 'Bad cast from type DB::ASTCreateQuery to DB::ASTSelectWithUnionQuery' or Inconsistent AST formatting. #71982 (Pavel Kruglov).
  • Backported in #72114: Fix formatting of MOVE PARTITION ... TO TABLE ... alter commands when format_alter_commands_with_parentheses is enabled. #72080 (János Benjamin Antal).

NOT FOR CHANGELOG / INSIGNIFICANT