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15 lines
3.3 KiB
Markdown
15 lines
3.3 KiB
Markdown
### ClickHouse release v20.12.4.5-stable FIXME as compared to v20.12.3.3-stable
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#### Bug Fix
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* Backported in [#18392](https://github.com/ClickHouse/ClickHouse/issues/18392): Fix empty `system.stack_trace` table when server is running in daemon mode. [#17630](https://github.com/ClickHouse/ClickHouse/pull/17630) ([Amos Bird](https://github.com/amosbird)).
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* Backported in [#18043](https://github.com/ClickHouse/ClickHouse/issues/18043): Fix possible segfault in `topK` aggregate function. This closes [#17404](https://github.com/ClickHouse/ClickHouse/issues/17404). [#17845](https://github.com/ClickHouse/ClickHouse/pull/17845) ([Maksim Kita](https://github.com/kitaisreal)).
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* Backported in [#18111](https://github.com/ClickHouse/ClickHouse/issues/18111): Fix max_distributed_connections (affects `prefer_localhost_replica=1` and `max_threads!=max_distributed_connections`). [#17848](https://github.com/ClickHouse/ClickHouse/pull/17848) ([Azat Khuzhin](https://github.com/azat)).
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* Backported in [#18021](https://github.com/ClickHouse/ClickHouse/issues/18021): Trivial query optimization was producing wrong result if query contains ARRAY JOIN (so query is actually non trivial). [#17887](https://github.com/ClickHouse/ClickHouse/pull/17887) ([sundyli](https://github.com/sundy-li)).
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* Backported in [#17981](https://github.com/ClickHouse/ClickHouse/issues/17981): fixes [#15187](https://github.com/ClickHouse/ClickHouse/issues/15187) fixes [#17912](https://github.com/ClickHouse/ClickHouse/issues/17912) support convert MySQL prefix index for MaterializeMySQL CC: @tavplubix. [#17944](https://github.com/ClickHouse/ClickHouse/pull/17944) ([Winter Zhang](https://github.com/zhang2014)).
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* Backported in [#18078](https://github.com/ClickHouse/ClickHouse/issues/18078): Fixed `std::out_of_range: basic_string` in S3 URL parsing. [#18059](https://github.com/ClickHouse/ClickHouse/pull/18059) ([Vladimir Chebotarev](https://github.com/excitoon)).
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* Backported in [#18179](https://github.com/ClickHouse/ClickHouse/issues/18179): Fix `Unknown setting profile` error on attempt to set settings profile. [#18167](https://github.com/ClickHouse/ClickHouse/pull/18167) ([Alexander Tokmakov](https://github.com/tavplubix)).
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* Backported in [#18359](https://github.com/ClickHouse/ClickHouse/issues/18359): fixes [#18186](https://github.com/ClickHouse/ClickHouse/issues/18186) fixes [#16372](https://github.com/ClickHouse/ClickHouse/issues/16372) fix unique key convert crash in MaterializeMySQL database engine. [#18211](https://github.com/ClickHouse/ClickHouse/pull/18211) ([Winter Zhang](https://github.com/zhang2014)).
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* Backported in [#18258](https://github.com/ClickHouse/ClickHouse/issues/18258): Fix key comparison between Enum and Int types. This fixes [#17989](https://github.com/ClickHouse/ClickHouse/issues/17989). [#18214](https://github.com/ClickHouse/ClickHouse/pull/18214) ([Amos Bird](https://github.com/amosbird)).
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* Backported in [#18296](https://github.com/ClickHouse/ClickHouse/issues/18296): - Fixed issue when `clickhouse-odbc-bridge` process is unreachable by server on machines with dual IPv4/IPv6 stack; - Fixed issue when ODBC dictionary updates are performed using malformed queries and/or cause crashes; Possibly closes [#14489](https://github.com/ClickHouse/ClickHouse/issues/14489). [#18278](https://github.com/ClickHouse/ClickHouse/pull/18278) ([Denis Glazachev](https://github.com/traceon)).
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