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ClickHouse/docs/changelogs/v23.1.2.9-stable.md

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1 2023

2023 Changelog

ClickHouse release v23.1.2.9-stable (8dfb170085) FIXME as compared to v23.1.1.3077-stable (dcaac47702)

Performance Improvement

  • Backported in #45705: Fixed performance of short SELECT queries that read from tables with large number ofArray/Map/Nested columns. #45630 (Anton Popov).

Bug Fix

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

  • Backported in #45730: Fix key description when encountering duplicate primary keys. This can happen in projections. See #45590 for details. #45686 (Amos Bird).

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