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ClickHouse/docs/changelogs/v21.3.17.2-lts.md

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1 2022

2022 Changelog

ClickHouse release v21.3.17.2-lts FIXME as compared to v21.3.16.5-lts

Bug Fix

  • Backported in #28647: Fix a rare bug in DROP PART which can lead to the error Unexpected merged part intersects drop range. #27807 (alesapin).

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

  • Backported in #28569: Fix bug which can lead to error Existing table metadata in ZooKeeper differs in sorting key expression. after alter of ReplicatedVersionedCollapsingMergeTree. Fixes #28515. #28528 (alesapin).
  • Backported in #28857: Fix benign race condition in ReplicatedMergeTreeQueue. Shouldn't be visible for user, but can lead to subtle bugs. #28734 (alesapin).
  • Backported in #28995: Fix reading of subcolumns from compact parts. #28873 (Anton Popov).
  • Backported in #28929: Fix higher-order array functions (SIGSEGV for arrayCompact/ILLEGAL_COLUMN for arrayDifference/arrayCumSumNonNegative) with consts. #28904 (Azat Khuzhin).