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ClickHouse/docs/changelogs/v20.12.8.5-stable.md

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ClickHouse release v20.12.8.5-stable FIXME as compared to v20.12.7.3-stable

Bug Fix

  • Backported in #20592: Fixed inconsistent behavior of dictionary in case of queries where we look for absent keys in dictionary. #20578 (Nikita Mikhaylov).
  • Backported in #21048: Fix usage of -Distinct combinator with -State combinator in aggregate functions. #20866 (Anton Popov).
  • Backported in #21133: Fixed behaviour, when ALTER MODIFY COLUMN created mutation, that will knowingly fail. #21007 (Anton Popov).
  • Backported in #21249: - Block parallel insertions into storage join. #21009 (Vladimir C).
  • Backported in #21230: Fixes #21112. Fixed bug that could cause duplicates with insert query (if one of the callbacks came a little too late). #21138 (Kseniia Sumarokova).