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29 lines
3.1 KiB
Markdown
29 lines
3.1 KiB
Markdown
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---
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sidebar_position: 1
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sidebar_label: 2022
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---
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# 2022 Changelog
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### ClickHouse release v22.5.4.19-stable (c893bba830e) FIXME as compared to v22.5.3.21-stable (e03724efec5)
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#### Bug Fix
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* Backported in [#39748](https://github.com/ClickHouse/ClickHouse/issues/39748): Fix seeking while reading from encrypted disk. This PR fixes [#38381](https://github.com/ClickHouse/ClickHouse/issues/38381). [#39687](https://github.com/ClickHouse/ClickHouse/pull/39687) ([Vitaly Baranov](https://github.com/vitlibar)).
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#### Build/Testing/Packaging Improvement
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* Backported in [#39882](https://github.com/ClickHouse/ClickHouse/issues/39882): Former packages used to install systemd.service file to `/etc`. The files there are marked as `conf` and are not cleaned out, and not updated automatically. This PR cleans them out. [#39323](https://github.com/ClickHouse/ClickHouse/pull/39323) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
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#### Bug Fix (user-visible misbehavior in official stable or prestable release)
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* Backported in [#39209](https://github.com/ClickHouse/ClickHouse/issues/39209): Fix reading of sparse columns from `MergeTree` tables that store their data in S3. [#37978](https://github.com/ClickHouse/ClickHouse/pull/37978) ([Anton Popov](https://github.com/CurtizJ)).
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* Backported in [#39589](https://github.com/ClickHouse/ClickHouse/issues/39589): Fix data race and possible heap-buffer-overflow in Avro format. Closes [#39094](https://github.com/ClickHouse/ClickHouse/issues/39094) Closes [#33652](https://github.com/ClickHouse/ClickHouse/issues/33652). [#39498](https://github.com/ClickHouse/ClickHouse/pull/39498) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#39611](https://github.com/ClickHouse/ClickHouse/issues/39611): Fix bug with maxsplit argument for splitByChar, which was not working correctly. [#39552](https://github.com/ClickHouse/ClickHouse/pull/39552) ([filimonov](https://github.com/filimonov)).
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* Backported in [#39790](https://github.com/ClickHouse/ClickHouse/issues/39790): Fix wrong index analysis with tuples and operator `IN`, which could lead to wrong query result. [#39752](https://github.com/ClickHouse/ClickHouse/pull/39752) ([Anton Popov](https://github.com/CurtizJ)).
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* Backported in [#39835](https://github.com/ClickHouse/ClickHouse/issues/39835): Fix `CANNOT_READ_ALL_DATA` exception with `local_filesystem_read_method=pread_threadpool`. This bug affected only Linux kernel version 5.9 and 5.10 according to [man](https://manpages.debian.org/testing/manpages-dev/preadv2.2.en.html#BUGS). [#39800](https://github.com/ClickHouse/ClickHouse/pull/39800) ([Anton Popov](https://github.com/CurtizJ)).
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#### NOT FOR CHANGELOG / INSIGNIFICANT
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* Fix reading from s3 in some corner cases [#38239](https://github.com/ClickHouse/ClickHouse/pull/38239) ([Anton Popov](https://github.com/CurtizJ)).
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* Replace MemoryTrackerBlockerInThread to LockMemoryExceptionInThread [#39619](https://github.com/ClickHouse/ClickHouse/pull/39619) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
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* Change mysql-odbc url [#39702](https://github.com/ClickHouse/ClickHouse/pull/39702) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
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