ClickHouse/docs/changelogs/v22.3.14.23-lts.md

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1	2022

2022 Changelog

ClickHouse release v22.3.14.23-lts (74956bfee4) FIXME as compared to v22.3.13.80-lts (e2708b01fb)

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 #42432: - Choose correct aggregation method for LowCardinality with BigInt. #42342 (Duc Canh Le).

Build/Testing/Packaging Improvement

• Backported in #42328: Update cctz to the latest master, update tzdb to 2020e. #42273 (Dom Del Nano).
• Backported in #42358: Update tzdata to 2022e to support the new timezone changes. Palestine transitions are now Saturdays at 02:00. Simplify three Ukraine zones into one. Jordan and Syria switch from +02/+03 with DST to year-round +03. (https://data.iana.org/time-zones/tzdb/NEWS). This closes #42252. #42327 (Alexey Milovidov).

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

• Backported in #42298: Fix a bug with projections and the aggregate_functions_null_for_empty setting. This bug is very rare and appears only if you enable the aggregate_functions_null_for_empty setting in the server's config. This closes #41647. #42198 (Alexey Milovidov).
• Backported in #42592: This closes #42453. #42573 (Alexey Milovidov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Add a warning message to release.py script, require release type #41975 (Mikhail f. Shiryaev).
• Revert #27787 #42136 (Nikolai Kochetov).