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ClickHouse/docs/changelogs/v21.6.6.51-stable.md

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1 2022

2022 Changelog

ClickHouse release v21.6.6.51-stable FIXME as compared to v21.6.5.37-stable

Bug Fix

  • Backported in #25850: CAST from Date to DateTime (or DateTime64) was not using the timezone of the DateTime type. It can also affect the comparison between Date and DateTime. Inference of the common type for Date and DateTime also was not using the corresponding timezone. It affected the results of function if and array construction. Closes #24128. #24129 (Maksim Kita).
  • Backported in #25677: Fixed bug in deserialization of random generator state with might cause some data types such as AggregateFunction(groupArraySample(N), T)) to behave in a non-deterministic way. #24538 (Alexander Tokmakov).
  • Backported in #25535: Fixed possible error 'Cannot read from istream at offset 0' when reading a file from DiskS3. #24885 (Pavel Kovalenko).
  • Backported in #25557: Fix potential crash when calculating aggregate function states by aggregation of aggregate function states of other aggregate functions (not a practical use case). See #24523. #25015 (Alexey Milovidov).
  • Backported in #25506: Fix segfault when sharding_key is absent in task config for copier. #25419 (Nikita Mikhaylov).
  • Backported in #25765: Fix assertion in PREWHERE with non-uint8 type, close #19589. #25484 (Vladimir C).
  • Backported in #25635: Fix wrong totals for query WITH TOTALS and WITH FILL. Fixes #20872. #25539 (Anton Popov).
  • Backported in #25652: Fix null pointer dereference in EXPLAIN AST without query. #25631 (Nikolai Kochetov).
  • Backported in #25717: REPLACE PARTITION might be ignored in rare cases if the source partition was empty. It's fixed. Fixes #24869. #25665 (Alexander Tokmakov).
  • Backported in #25696: Fixed No such file or directory error on moving Distributed table between databases. Fixes #24971. #25667 (Alexander Tokmakov).
  • Backported in #25755: Fix data race when querying system.clusters while reloading the cluster configuration at the same time. #25737 (Amos Bird).

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