ClickHouse/docs/changelogs/v22.9.7.34-stable.md

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1	2022

2022 Changelog

ClickHouse release v22.9.7.34-stable (613fe09ca2) FIXME as compared to v22.9.6.20-stable (ef6343f957)

Bug Fix

• Backported in #43099: 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 #44111: Bring sha512 sums back to the building step. #44017 (Mikhail f. Shiryaev).

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

• Backported in #43612: Fix bad inefficiency of remote_filesystem_read_method=read with filesystem cache. Closes #42125. #42129 (Kseniia Sumarokova).
• Backported in #43526: Fix incorrect UserTimeMicroseconds/SystemTimeMicroseconds accounting. #42791 (Azat Khuzhin).
• Backported in #43518: Fix rare possible hung on query cancellation. #42874 (Azat Khuzhin).
• Backported in #43752: 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 #43618: Fix sumMap() for Nullable(Decimal()). #43414 (Azat Khuzhin).
• Backported in #43887: Fixed ALTER ... RESET SETTING with ON CLUSTER. It could be applied to one replica only. Fixes #43843. #43848 (Elena Torró).
• Backported in #44145: Fix undefined behavior in the quantiles function, which might lead to uninitialized memory. Found by fuzzer. This closes #44066. #44067 (Alexey Milovidov).

NO CL ENTRY

• NO CL ENTRY: 'Fix multipart upload for large S3 object, backport to 22.9'. #44219 (ianton-ru).

NOT FOR CHANGELOG / INSIGNIFICANT

• Yet another fix for AggregateFunctionMinMaxAny #43778 (Alexander Tokmakov).
• Use only PRs to our repository in pr_info on push #43895 (Mikhail f. Shiryaev).
• Fix tags workflow #43942 (Mikhail f. Shiryaev).
• Assign release PRs #44055 (Mikhail f. Shiryaev).
• Fix another bug in AggregateFunctionMinMaxAny #44091 (Alexander Tokmakov).