ClickHouse/docs/changelogs/v21.12.2.17-stable.md
2022-05-25 00:05:54 +02:00

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ClickHouse release v21.12.2.17-stable FIXME as compared to v21.12.1.9017-prestable

Bug Fix

  • Backported in #32693: Quota limit was not reached, but the limit was exceeded. This PR fixes #31174. #31656 (sunny).

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

  • Backported in #32681: Fix unexpected projection removal when detaching parts. #32067 (Amos Bird).
  • Backported in #32483: Fix 'APPLY lambda' parsing which could lead to client/server crash. #32138 (Kruglov Pavel).
  • Backported in #32542: Some replication queue entries might hang for temporary_directories_lifetime (1 day by default) with Directory tmp_merge_<part_name> or Part ... (state Deleting) already exists, but it will be deleted soon or similar error. It's fixed. Fixes #29616. #32201 (Alexander Tokmakov).
  • Backported in #32710: Fix failures in queries that are trying to use skipping indices, which are not materialized yet. Fixes #32292 and #30343. #32359 (Anton Popov).
  • Backported in #32569: Fix crash in JoinCommon::removeColumnNullability, close #32458. #32508 (Vladimir C).
  • Backported in #32770: Fix sparse_hashed dict performance with sequential keys (wrong hash function). #32536 (Azat Khuzhin).
  • Backported in #32634: Fix table lifetime (i.e. possible use-after-free) in case of parallel DROP TABLE and INSERT. #32572 (Azat Khuzhin).
  • Backported in #32632: Fix possible exception at RabbitMQ storage startup by delaying channel creation. #32584 (Kseniia Sumarokova).
  • Backported in #32733: Fix surprisingly bad code in function file. #32640 (Alexey Milovidov).
  • Backported in #32793: fix crash when used fuzzBits with multiply same FixedString, Close #32737. #32755 (SuperDJY).

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