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2023 Changelog
ClickHouse release v22.3.16.1190-lts (bb4e0934e5) FIXME as compared to v22.10.1.1877-stable (98ab5a3c18)
Improvement
- Backported in #42527: Fix issue with passing MySQL timeouts for MySQL database engine and MySQL table function. Closes #34168?notification_referrer_id=NT_kwDOAzsV57MzMDMxNjAzNTY5OjU0MjAzODc5. #40751 (Kseniia Sumarokova).
Bug Fix
- Backported in #43829: Updated normaliser to clone the alias ast. resolves #42452 Implementation: * Updated QueryNormalizer to clone alias ast, when its replaced. Previously just assigning the same leads to exception in LogicalExpressinsOptimizer as it would be the same parent being inserted again. * This bug is not seen with new analyser (allow_experimental_analyzer), so no changes for it. I added a test for the same. #42827 (SmitaRKulkarni).
Build/Testing/Packaging Improvement
- Backported in #44109: Bring sha512 sums back to the building step. #44017 (Mikhail f. Shiryaev).
- Backported in #44431: Kill stress tests after 2.5h in case of hanging process. #44214 (Mikhail f. Shiryaev).
- Backported in #44557: Retry the integration tests on compressing errors. #44529 (Mikhail f. Shiryaev).
Bug Fix (user-visible misbehavior in official stable release)
- Backported in #43512: - Fix several buffer over-reads. #43159 (Raúl Marín).
- Backported in #43750: An issue with the following exception has been reported while trying to read a Parquet file from S3 into ClickHouse:. #43297 (Arthur Passos).
- Backported in #43616: Fix sumMap() for Nullable(Decimal()). #43414 (Azat Khuzhin).
- Backported in #43885: Fixed
ALTER ... RESET SETTINGwithON CLUSTER. It could be applied to one replica only. Fixes #43843. #43848 (Elena Torró). - Backported in #44179: Fix undefined behavior in the
quantilesfunction, which might lead to uninitialized memory. Found by fuzzer. This closes #44066. #44067 (Alexey Milovidov). - Backported in #44283: Prevent
ReadonlyReplicametric from having negative values. #44220 (Antonio Andelic).