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ClickHouse/docs/changelogs/v20.6.5.8-stable.md

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Add changelogs for 2020 where the script works
2022-05-24 22:01:42 +00:00
### ClickHouse release v20.6.5.8-stable FIXME as compared to v20.6.4.44-stable
#### Performance Improvement
* Backported in [#14189](https://github.com/ClickHouse/ClickHouse/issues/14189): Slightly optimize very short queries with LowCardinality. [#14129](https://github.com/ClickHouse/ClickHouse/pull/14129) ([Anton Popov](https://github.com/CurtizJ)).
#### Improvement
* Backported in [#13950](https://github.com/ClickHouse/ClickHouse/issues/13950): Fix wrong error for long queries. It was possible to get syntax error other than `Max query size exceeded` for correct query. [#13928](https://github.com/ClickHouse/ClickHouse/pull/13928) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
#### Bug Fix
* Backported in [#14090](https://github.com/ClickHouse/ClickHouse/issues/14090): Removed wrong auth access check when using ClickHouseDictionarySource to query remote tables. [#12756](https://github.com/ClickHouse/ClickHouse/pull/12756) ([sundyli](https://github.com/sundy-li)).
* Backported in [#13610](https://github.com/ClickHouse/ClickHouse/issues/13610): Fix missing or excessive headers in `TSV/CSVWithNames` formats. This fixes [#12504](https://github.com/ClickHouse/ClickHouse/issues/12504). [#13343](https://github.com/ClickHouse/ClickHouse/pull/13343) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#13413](https://github.com/ClickHouse/ClickHouse/issues/13413): Fixed the deadlock in textlog. It is a part of [#12339](https://github.com/ClickHouse/ClickHouse/issues/12339). This fixes [#12325](https://github.com/ClickHouse/ClickHouse/issues/12325). [#13386](https://github.com/ClickHouse/ClickHouse/pull/13386) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Backported in [#13537](https://github.com/ClickHouse/ClickHouse/issues/13537): Fix wrong code in function `netloc`. This fixes [#13335](https://github.com/ClickHouse/ClickHouse/issues/13335). [#13446](https://github.com/ClickHouse/ClickHouse/pull/13446) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#14016](https://github.com/ClickHouse/ClickHouse/issues/14016): Fix premature `ON CLUSTER` timeouts for queries that must be executed on a single replica. Fixes [#6704](https://github.com/ClickHouse/ClickHouse/issues/6704), Fixes [#7228](https://github.com/ClickHouse/ClickHouse/issues/7228), Fixes [#13361](https://github.com/ClickHouse/ClickHouse/issues/13361), Fixes [#11884](https://github.com/ClickHouse/ClickHouse/issues/11884). [#13450](https://github.com/ClickHouse/ClickHouse/pull/13450) ([alesapin](https://github.com/alesapin)).
* Backported in [#14000](https://github.com/ClickHouse/ClickHouse/issues/14000): Fixed the behaviour when sometimes cache-dictionary returned default value instead of present value from source. [#13624](https://github.com/ClickHouse/ClickHouse/pull/13624) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Backported in [#14108](https://github.com/ClickHouse/ClickHouse/issues/14108): Fix visible data clobbering by progress bar in client in interactive mode. This fixes [#12562](https://github.com/ClickHouse/ClickHouse/issues/12562) and [#13369](https://github.com/ClickHouse/ClickHouse/issues/13369) and [#13584](https://github.com/ClickHouse/ClickHouse/issues/13584) and fixes [#12964](https://github.com/ClickHouse/ClickHouse/issues/12964). [#13691](https://github.com/ClickHouse/ClickHouse/pull/13691) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#14081](https://github.com/ClickHouse/ClickHouse/issues/14081): Fixes /replicas_status endpoint response status code when verbose=1. [#13722](https://github.com/ClickHouse/ClickHouse/pull/13722) ([javi santana](https://github.com/javisantana)).
* Backported in [#13776](https://github.com/ClickHouse/ClickHouse/issues/13776): Fix logging Settings.Names/Values when log_queries_min_type > QUERY_START. [#13737](https://github.com/ClickHouse/ClickHouse/pull/13737) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#13772](https://github.com/ClickHouse/ClickHouse/issues/13772): Fix race condition between DETACH and background merges. Parts may revive after detach. This is continuation of [#8602](https://github.com/ClickHouse/ClickHouse/issues/8602) that did not fix the issue but introduced a test that started to fail in very rare cases, demonstrating the issue. [#13746](https://github.com/ClickHouse/ClickHouse/pull/13746) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#13788](https://github.com/ClickHouse/ClickHouse/issues/13788): Add range check for h3KRing function. This fixes [#13633](https://github.com/ClickHouse/ClickHouse/issues/13633). [#13752](https://github.com/ClickHouse/ClickHouse/pull/13752) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#13801](https://github.com/ClickHouse/ClickHouse/issues/13801): Fix step overflow in range(). [#13790](https://github.com/ClickHouse/ClickHouse/pull/13790) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#13810](https://github.com/ClickHouse/ClickHouse/issues/13810): Fix reading from MergeTree table with INDEX of type SET fails when comparing against NULL. This fixes [#13686](https://github.com/ClickHouse/ClickHouse/issues/13686). [#13793](https://github.com/ClickHouse/ClickHouse/pull/13793) ([Amos Bird](https://github.com/amosbird)).
* Backported in [#13833](https://github.com/ClickHouse/ClickHouse/issues/13833): Fix topK/topKWeighted merge (with non-default parameters). [#13817](https://github.com/ClickHouse/ClickHouse/pull/13817) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#13974](https://github.com/ClickHouse/ClickHouse/issues/13974): Fixed potential deadlock when renaming `Distributed` table. [#13922](https://github.com/ClickHouse/ClickHouse/pull/13922) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#14061](https://github.com/ClickHouse/ClickHouse/issues/14061): Fix wrong results in select queries with `DISTINCT` keyword in case `optimize_duplicate_order_by_and_distinct` setting is enabled. [#13925](https://github.com/ClickHouse/ClickHouse/pull/13925) ([Artem Zuikov](https://github.com/4ertus2)).
* Backported in [#14076](https://github.com/ClickHouse/ClickHouse/issues/14076): Fixed wrong mount point in extra info for `Poco::Exception: no space left on device`. [#14050](https://github.com/ClickHouse/ClickHouse/pull/14050) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#14138](https://github.com/ClickHouse/ClickHouse/issues/14138): Fix pointInPolygon with const 2d array as polygon. [#14079](https://github.com/ClickHouse/ClickHouse/pull/14079) ([Alexey Ilyukhov](https://github.com/livace)).
* Backported in [#14172](https://github.com/ClickHouse/ClickHouse/issues/14172): Fix creation of tables with named tuples. This fixes [#13027](https://github.com/ClickHouse/ClickHouse/issues/13027). [#14143](https://github.com/ClickHouse/ClickHouse/pull/14143) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#14294](https://github.com/ClickHouse/ClickHouse/issues/14294): Fix crash when INERT INTO Kafka engine table from an empty result set with a subquery. ... [#14203](https://github.com/ClickHouse/ClickHouse/pull/14203) ([Dongdong Yang](https://github.com/donge)).
* Backported in [#14243](https://github.com/ClickHouse/ClickHouse/issues/14243): Fixed incorrect sorting order if LowCardinality column. This fixes [#13958](https://github.com/ClickHouse/ClickHouse/issues/13958). [#14223](https://github.com/ClickHouse/ClickHouse/pull/14223) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov)).
* Backported in [#14306](https://github.com/ClickHouse/ClickHouse/issues/14306): Fix segfault in `clickhouse-odbc-bridge` during schema fetch from some external sources. This PR fixes [#13861](https://github.com/ClickHouse/ClickHouse/issues/13861). [#14267](https://github.com/ClickHouse/ClickHouse/pull/14267) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#14340](https://github.com/ClickHouse/ClickHouse/issues/14340): Fix crash during `ALTER` query for table which was created `AS table_function`. Fixes [#14212](https://github.com/ClickHouse/ClickHouse/issues/14212). [#14326](https://github.com/ClickHouse/ClickHouse/pull/14326) ([alesapin](https://github.com/alesapin)).
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