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ClickHouse/docs/changelogs/v21.7.6.39-stable.md

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1 2022

2022 Changelog

ClickHouse release v21.7.6.39-stable FIXME as compared to v21.7.5.29-stable

Bug Fix

  • Backported in #26854: ParallelFormattingOutputFormat: Use mutex to handle the join to the collector_thread (https://github.com/ClickHouse/ClickHouse/issues/26694). #26703 (Raúl Marín).
  • Backported in #26938: Do not remove data on ReplicatedMergeTree table shutdown to avoid creating data to metadata inconsistency. #26716 (nvartolomei).
  • Backported in #26986: Aggregate function parameters might be lost when applying some combinators causing exceptions like Conversion from AggregateFunction(topKArray, Array(String)) to AggregateFunction(topKArray(10), Array(String)) is not supported. It's fixed. Fixes #26196 and #26433. #26814 (Alexander Tokmakov).
  • Backported in #26944: Fix error Missing columns: 'xxx' when DEFAULT column references other non materialized column without DEFAULT expression. Fixes #26591. #26900 (alesapin).
  • Backported in #26999: Fix reading of custom TLDs (stops processing with lower buffer or bigger file). #26948 (Azat Khuzhin).
  • Backported in #27029: Now partition ID in queries like ALTER TABLE ... PARTITION ID xxx validates for correctness. Fixes #25718. #26963 (alesapin).
  • Backported in #27050: [RFC] Fix possible mutation stack due to race with DROP_RANGE. #27002 (Azat Khuzhin).
  • Backported in #27105: Fixed cache, complex_key_cache, ssd_cache, complex_key_ssd_cache configuration parsing. Options allow_read_expired_keys, max_update_queue_size, update_queue_push_timeout_milliseconds, query_wait_timeout_milliseconds were not parsed for dictionaries with non cache type. #27032 (Maksim Kita).
  • Backported in #27156: Fix synchronization in GRPCServer This PR fixes #27024. #27064 (Vitaly Baranov).
  • Backported in #27261: In rare cases system.detached_parts table might contain incorrect information for some parts, it's fixed. Fixes #27114. #27183 (Alexander Tokmakov).

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