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ClickHouse/docs/changelogs/v21.6.5.37-stable.md
Mikhail f. Shiryaev 352c7d6c21
Add changelogs for 2021
2022-05-25 00:05:54 +02:00

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ClickHouse release v21.6.5.37-stable FIXME as compared to v21.6.4.26-stable

Improvement

Bug Fix

  • Backported in #25480: Fix "Missing columns" exception when joining Distributed Materialized View. #24870 (Azat Khuzhin).
  • Backported in #25366: Fix serialization of splitted nested messages in Protobuf format. This PR fixes #24647. #25000 (Vitaly Baranov).
  • Backported in #25102: Distinguish KILL MUTATION for different tables (fixes unexpected Cancelled mutating parts error). #25025 (Azat Khuzhin).
  • Backported in #25213: Fixed an error which occurred while inserting a subset of columns using CSVWithNames format. Fixes #25129. #25169 (Nikita Mikhaylov).
  • Backported in #25352: Fix TOCTOU error in installation script. #25277 (Alexey Milovidov).
  • Backported in #25385: Fix incorrect behaviour and UBSan report in big integers. In previous versions CAST(1e19 AS UInt128) returned zero. #25279 (Alexey Milovidov).
  • Backported in #25470: Fix joinGetOrNull with not-nullable columns. This fixes #24261. #25288 (Amos Bird).
  • Backported in #25360: Fix error Bad cast from type DB::ColumnLowCardinality to DB::ColumnVector<char8_t> for queries where LowCardinality argument was used for IN (this bug appeared in 21.6). Fixes #25187. #25290 (Nikolai Kochetov).
  • Backported in #25356: Fix Logical Error Cannot sum Array/Tuple in min/maxMap. #25298 (Kruglov Pavel).
  • Backported in #25436: Support SimpleAggregateFunction(LowCardinality) for SummingMergeTree. Fixes #25134. #25300 (Nikolai Kochetov).
  • Backported in #25363: On ZooKeeper connection loss ReplicatedMergeTree table might wait for background operations to complete before trying to reconnect. It's fixed, now background operations are stopped forcefully. #25306 (Alexander Tokmakov).
  • Backported in #25388: Fix the possibility of non-deterministic behaviour of the quantileDeterministic function and similar. This closes #20480. #25313 (Alexey Milovidov).
  • Backported in #25448: Fix lost WHERE condition in expression-push-down optimization of query plan (setting query_plan_filter_push_down = 1 by default). Fixes #25368. #25370 (Nikolai Kochetov).
  • Backported in #25407: Fix REPLACE column transformer when used in DDL by correctly quoting the formated query. This fixes #23925. #25391 (Amos Bird).