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25 lines
4.9 KiB
Markdown
25 lines
4.9 KiB
Markdown
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### ClickHouse release v21.8.12.29-lts FIXME as compared to v21.8.11.4-lts
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#### Performance Improvement
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* Backported in [#31732](https://github.com/ClickHouse/ClickHouse/issues/31732): Improve performance of JSON and XML output formats. [#31673](https://github.com/ClickHouse/ClickHouse/pull/31673) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
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#### Bug Fix
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* Backported in [#31575](https://github.com/ClickHouse/ClickHouse/issues/31575): Quota limit was not reached, but the limit was exceeded. This PR fixes [#31174](https://github.com/ClickHouse/ClickHouse/issues/31174). [#31337](https://github.com/ClickHouse/ClickHouse/pull/31337) ([sunny](https://github.com/sunny19930321)).
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#### Bug Fix (user-visible misbehaviour in official stable or prestable release)
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* Backported in [#31204](https://github.com/ClickHouse/ClickHouse/issues/31204): Fix abort in debug server and `DB::Exception: std::out_of_range: basic_string` error in release server in case of bad hdfs url by adding additional check of hdfs url structure. [#31042](https://github.com/ClickHouse/ClickHouse/pull/31042) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#31253](https://github.com/ClickHouse/ClickHouse/issues/31253): Fix bug in Keeper which can lead to inability to start when some coordination logs was lost and we have more fresh snapshot than our latest log. [#31150](https://github.com/ClickHouse/ClickHouse/pull/31150) ([alesapin](https://github.com/alesapin)).
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* Backported in [#31521](https://github.com/ClickHouse/ClickHouse/issues/31521): Remove not like function into RPNElement. [#31169](https://github.com/ClickHouse/ClickHouse/pull/31169) ([sundyli](https://github.com/sundy-li)).
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* Backported in [#31552](https://github.com/ClickHouse/ClickHouse/issues/31552): Resolve `nullptr` in STS credentials provider for S3. [#31409](https://github.com/ClickHouse/ClickHouse/pull/31409) ([Vladimir Chebotarev](https://github.com/excitoon)).
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* Backported in [#31582](https://github.com/ClickHouse/ClickHouse/issues/31582): * Disable `partial_merge_join_left_table_buffer_bytes` before bug in this optimization is fixed. See [#31009](https://github.com/ClickHouse/ClickHouse/issues/31009)). * Remove redundant option `partial_merge_join_optimizations`. [#31528](https://github.com/ClickHouse/ClickHouse/pull/31528) ([Vladimir C](https://github.com/vdimir)).
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* Backported in [#31599](https://github.com/ClickHouse/ClickHouse/issues/31599): Fix invalid generated JSON when only column names contain invalid UTF-8 sequences. [#31534](https://github.com/ClickHouse/ClickHouse/pull/31534) ([Kevin Michel](https://github.com/kmichel-aiven)).
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* Backported in [#31779](https://github.com/ClickHouse/ClickHouse/issues/31779): `RENAME TABLE` query worked incorrectly on attempt to rename an DDL dictionary in `Ordinary` database, it's fixed. [#31638](https://github.com/ClickHouse/ClickHouse/pull/31638) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31790](https://github.com/ClickHouse/ClickHouse/issues/31790): Settings `input_format_allow_errors_num` and `input_format_allow_errors_ratio` did not work for parsing of domain types, such as `IPv4`, it's fixed. Fixes [#31686](https://github.com/ClickHouse/ClickHouse/issues/31686). [#31697](https://github.com/ClickHouse/ClickHouse/pull/31697) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31829](https://github.com/ClickHouse/ClickHouse/issues/31829): Fixed `there are no such cluster here` error on execution of `ON CLUSTER` query if specified cluster name is name of `Replicated` database. [#31723](https://github.com/ClickHouse/ClickHouse/pull/31723) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#31813](https://github.com/ClickHouse/ClickHouse/issues/31813): Fix race in JSONEachRowWithProgress output format when data and lines with progress are mixed in output. [#31736](https://github.com/ClickHouse/ClickHouse/pull/31736) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#31761](https://github.com/ClickHouse/ClickHouse/issues/31761): Fix usage of `Buffer` table engine with type `Map`. Fixes [#30546](https://github.com/ClickHouse/ClickHouse/issues/30546). [#31742](https://github.com/ClickHouse/ClickHouse/pull/31742) ([Anton Popov](https://github.com/CurtizJ)).
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* Backported in [#31890](https://github.com/ClickHouse/ClickHouse/issues/31890): Fix possible assertion `../src/IO/ReadBuffer.h:58: bool DB::ReadBuffer::next(): Assertion '!hasPendingData()' failed.` in TSKV format. [#31804](https://github.com/ClickHouse/ClickHouse/pull/31804) ([Kruglov Pavel](https://github.com/Avogar)).
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* Backported in [#31910](https://github.com/ClickHouse/ClickHouse/issues/31910): Fix functions `empty` and `notEmpty` with arguments of `UUID` type. Fixes [#31819](https://github.com/ClickHouse/ClickHouse/issues/31819). [#31883](https://github.com/ClickHouse/ClickHouse/pull/31883) ([Anton Popov](https://github.com/CurtizJ)).
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