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Update changelog
This commit is contained in:
Ivan Lezhankin
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CHANGELOG.md
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CHANGELOG.md
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* Fix nullptr dereference in StorageBuffer if server was shutdown before table startup. [#10641](https://github.com/ClickHouse/ClickHouse/pull/10641) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Fixed `DROP` vs `OPTIMIZE` race in `ReplicatedMergeTree`. `DROP` could left some garbage in replica path in ZooKeeper if there was concurrent `OPTIMIZE` query. [#10312](https://github.com/ClickHouse/ClickHouse/pull/10312) ([tavplubix](https://github.com/tavplubix))
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* Fix 'Logical error: CROSS JOIN has expressions' error for queries with comma and names joins mix. Fixes [#9910](https://github.com/ClickHouse/ClickHouse/issues/9910) [#10311](https://github.com/ClickHouse/ClickHouse/pull/10311) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix queries with `max_bytes_before_external_group_by`. [#10302](https://github.com/ClickHouse/ClickHouse/pull/10302) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix the issue with limiting maximum recursion depth in parser in certain cases. This fixes [#10283](https://github.com/ClickHouse/ClickHouse/issues/10283) This fix may introduce minor incompatibility: long and deep queries via clickhouse-client may refuse to work, and you should adjust settings `max_query_size` and `max_parser_depth` accordingly. [#10295](https://github.com/ClickHouse/ClickHouse/pull/10295) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Allow to use `count(*)` with multiple JOINs. Fixes [#9853](https://github.com/ClickHouse/ClickHouse/issues/9853) [#10291](https://github.com/ClickHouse/ClickHouse/pull/10291) ([Artem Zuikov](https://github.com/4ertus2))
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* Remove converting ColumnFixedString to FixedString in MsgPack fromat and add performance test. ... [#10216](https://github.com/ClickHouse/ClickHouse/pull/10216) ([Kruglov Pavel](https://github.com/Avogar))
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* Fix error `Pipeline stuck` with `max_rows_to_group_by` and `group_by_overflow_mode = \'break\'`. [#10279](https://github.com/ClickHouse/ClickHouse/pull/10279) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix `\'Cannot add column\'` error while creating `range_hashed` dictionary using DDL query. Fixes [#10093](https://github.com/ClickHouse/ClickHouse/issues/10093). [#10235](https://github.com/ClickHouse/ClickHouse/pull/10235) ([alesapin](https://github.com/alesapin))
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* Fix rare possible exception `Cannot drain connections: cancel first`. ... [#10239](https://github.com/ClickHouse/ClickHouse/pull/10239) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fixed bug where ClickHouse would throw "Unknown function lambda." error message when user tries to run ALTER UPDATE/DELETE on tables with ENGINE = Replicated*. Check for nondeterministic functions now handles lambda expressions correctly. ... [#10237](https://github.com/ClickHouse/ClickHouse/pull/10237) ([Alexander Kazakov](https://github.com/Akazz))
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* Remove converting ColumnFixedString to FixedString in MsgPack format and add performance test. [#10216](https://github.com/ClickHouse/ClickHouse/pull/10216) ([Kruglov Pavel](https://github.com/Avogar))
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* Fix error `Pipeline stuck` with `max_rows_to_group_by` and `group_by_overflow_mode = 'break'`. [#10279](https://github.com/ClickHouse/ClickHouse/pull/10279) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix 'Cannot add column' error while creating `range_hashed` dictionary using DDL query. Fixes [#10093](https://github.com/ClickHouse/ClickHouse/issues/10093). [#10235](https://github.com/ClickHouse/ClickHouse/pull/10235) ([alesapin](https://github.com/alesapin))
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* Fix rare possible exception `Cannot drain connections: cancel first`. [#10239](https://github.com/ClickHouse/ClickHouse/pull/10239) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fixed bug where ClickHouse would throw "Unknown function lambda." error message when user tries to run ALTER UPDATE/DELETE on tables with ENGINE = Replicated*. Check for nondeterministic functions now handles lambda expressions correctly. [#10237](https://github.com/ClickHouse/ClickHouse/pull/10237) ([Alexander Kazakov](https://github.com/Akazz))
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* Fixed reasonably rare segfault in StorageSystemTables that happens when SELECT ... FROM system.tables is run on a database with Lazy engine. [#10209](https://github.com/ClickHouse/ClickHouse/pull/10209) ([Alexander Kazakov](https://github.com/Akazz))
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* Fix possible inifinite query execution when the query actually should stop on LIMIT, while reading from infinite source like `system.numbers` or `system.zeros`. ... [#10206](https://github.com/ClickHouse/ClickHouse/pull/10206) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix possible infinite query execution when the query actually should stop on LIMIT, while reading from infinite source like `system.numbers` or `system.zeros`. [#10206](https://github.com/ClickHouse/ClickHouse/pull/10206) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fixed "generateRandom" function for Date type. This fixes [#9973](https://github.com/ClickHouse/ClickHouse/issues/9973). Fix an edge case when dates with year 2106 are inserted to MergeTree tables with old-style partitioning but partitions are named with year 1970. [#10218](https://github.com/ClickHouse/ClickHouse/pull/10218) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Convert types if the table definition of a View does not correspond to the SELECT query. This fixes [#10180](https://github.com/ClickHouse/ClickHouse/issues/10180) and [#10022](https://github.com/ClickHouse/ClickHouse/issues/10022) [#10217](https://github.com/ClickHouse/ClickHouse/pull/10217) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Fix `parseDateTimeBestEffort` for strings in RFC-2822 when day of week is Tuesday or Thursday. This fixes [#10082](https://github.com/ClickHouse/ClickHouse/issues/10082) [#10214](https://github.com/ClickHouse/ClickHouse/pull/10214) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Fix column names of constants inside JOIN that may clash with names of constants outside of JOIN. [#10207](https://github.com/ClickHouse/ClickHouse/pull/10207) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Fix move-to-prewhere optimization in presense of arrayJoin functions (in certain cases). This fixes [#10092](https://github.com/ClickHouse/ClickHouse/issues/10092) [#10195](https://github.com/ClickHouse/ClickHouse/pull/10195) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Fix scramble issue for native mysql-connector-java(JDBC) [#10140](https://github.com/ClickHouse/ClickHouse/pull/10140) ([BohuTANG](https://github.com/BohuTANG))
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* Fix using the current database for access checking when the database isn\'t specified. [#10192](https://github.com/ClickHouse/ClickHouse/pull/10192) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix some kinds of alters with compact parts. ... [#10130](https://github.com/ClickHouse/ClickHouse/pull/10130) ([Anton Popov](https://github.com/CurtizJ))
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* Fix issue with separator appearing in SCRAMBLE for native mysql-connector-java(JDBC) [#10140](https://github.com/ClickHouse/ClickHouse/pull/10140) ([BohuTANG](https://github.com/BohuTANG))
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* Fix using the current database for an access checking when the database isn't specified. [#10192](https://github.com/ClickHouse/ClickHouse/pull/10192) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix ALTER of tables with compact parts. [#10130](https://github.com/ClickHouse/ClickHouse/pull/10130) ([Anton Popov](https://github.com/CurtizJ))
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* Add the ability to relax the restriction on non-deterministic functions usage in mutations with `allow_nondeterministic_mutations` setting. [#10186](https://github.com/ClickHouse/ClickHouse/pull/10186) ([filimonov](https://github.com/filimonov))
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* Do not break DROP DICTIONARY with DROP TABLE (otherwise after this error you will not be able to remove database) [#10165](https://github.com/ClickHouse/ClickHouse/pull/10165) ([Azat Khuzhin](https://github.com/azat))
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* Revert resetting the settings to their defaults after each query in TCPHandler. This PR reverts https://github.com/ClickHouse/ClickHouse/pull/9970 [#10181](https://github.com/ClickHouse/ClickHouse/pull/10181) ([Vitaly Baranov](https://github.com/vitlibar))
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* Convert blocks if structure does not match on INSERT into Distributed() ... [#10135](https://github.com/ClickHouse/ClickHouse/pull/10135) ([Azat Khuzhin](https://github.com/azat))
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* Fix `DROP TABLE` invoked for dictionary [#10165](https://github.com/ClickHouse/ClickHouse/pull/10165) ([Azat Khuzhin](https://github.com/azat))
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* Convert blocks if structure does not match when doing `INSERT` into Distributed table [#10135](https://github.com/ClickHouse/ClickHouse/pull/10135) ([Azat Khuzhin](https://github.com/azat))
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* The number of rows was logged incorrectly (as sum across all parts) when inserted block is split by parts with partition key. [#10138](https://github.com/ClickHouse/ClickHouse/pull/10138) ([alexey-milovidov](https://github.com/alexey-milovidov))
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* Add some arguments check and support identifier arguments for MySQL Database Engine [#10077](https://github.com/ClickHouse/ClickHouse/pull/10077) ([Winter Zhang](https://github.com/zhang2014))
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* Fix incorrect `index_granularity_bytes` check while creating new replica. Fixes [#10098](https://github.com/ClickHouse/ClickHouse/issues/10098). [#10121](https://github.com/ClickHouse/ClickHouse/pull/10121) ([alesapin](https://github.com/alesapin))
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* Fix bug in `CHECK TABLE` query when table contain skip indices. [#10068](https://github.com/ClickHouse/ClickHouse/pull/10068) ([alesapin](https://github.com/alesapin))
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* Fix SIGSEGV on INSERT into Distributed table when its structure differs from the underlying tables. ... [#10105](https://github.com/ClickHouse/ClickHouse/pull/10105) ([Azat Khuzhin](https://github.com/azat))
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* Fix Distributed-over-Distributed with one only shard in nested table ... [#9997](https://github.com/ClickHouse/ClickHouse/pull/9997) ([Azat Khuzhin](https://github.com/azat))
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* Fix Distributed-over-Distributed with the only one shard in a nested table [#9997](https://github.com/ClickHouse/ClickHouse/pull/9997) ([Azat Khuzhin](https://github.com/azat))
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* Fix possible rows loss for queries with `JOIN` and `UNION ALL`. Fixes [#9826](https://github.com/ClickHouse/ClickHouse/issues/9826), [#10113](https://github.com/ClickHouse/ClickHouse/issues/10113). ... [#10099](https://github.com/ClickHouse/ClickHouse/pull/10099) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix bug in clickhouse dictionary source from localhost clickhouse server. The bug may lead to memory corruption if types in dictionary and source are not compatible. [#10071](https://github.com/ClickHouse/ClickHouse/pull/10071) ([alesapin](https://github.com/alesapin))
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* Fixed replicated tables startup when updating from an old ClickHouse version where `/table/replicas/replica_name/metadata` node doesn\'t exist. Fixes [#10037](https://github.com/ClickHouse/ClickHouse/issues/10037). [#10095](https://github.com/ClickHouse/ClickHouse/pull/10095) ([alesapin](https://github.com/alesapin))
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* Fix error `Cannot clone block with columns because block has 0 columns ... While executing GroupingAggregatedTransform`. It happened when setting `distributed_aggregation_memory_efficient` was enabled, and distributed query read aggregating data with different level from different shards (mixed single and two level aggregation). ... [#10063](https://github.com/ClickHouse/ClickHouse/pull/10063) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix deadlock on failed database attach at start with materialized view [#10054](https://github.com/ClickHouse/ClickHouse/pull/10054) ([Azat Khuzhin](https://github.com/azat))
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* Fix bug in dictionary when local clickhouse server is used as source. It may caused memory corruption if types in dictionary and source are not compatible. [#10071](https://github.com/ClickHouse/ClickHouse/pull/10071) ([alesapin](https://github.com/alesapin))
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* Fixed replicated tables startup when updating from an old ClickHouse version where `/table/replicas/replica_name/metadata` node doesn't exist. Fixes [#10037](https://github.com/ClickHouse/ClickHouse/issues/10037). [#10095](https://github.com/ClickHouse/ClickHouse/pull/10095) ([alesapin](https://github.com/alesapin))
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* Fix error `Cannot clone block with columns because block has 0 columns ... While executing GroupingAggregatedTransform`. It happened when setting `distributed_aggregation_memory_efficient` was enabled, and distributed query read aggregating data with mixed single and two-level aggregation from different shards. [#10063](https://github.com/ClickHouse/ClickHouse/pull/10063) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix deadlock when database with materialized view failed attach at start [#10054](https://github.com/ClickHouse/ClickHouse/pull/10054) ([Azat Khuzhin](https://github.com/azat))
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* Fix a segmentation fault that could occur in GROUP BY over string keys containing trailing zero bytes ([#8636](https://github.com/ClickHouse/ClickHouse/issues/8636), [#8925](https://github.com/ClickHouse/ClickHouse/issues/8925)). ... [#10025](https://github.com/ClickHouse/ClickHouse/pull/10025) ([Alexander Kuzmenkov](https://github.com/akuzm))
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* Fix parallel distributed INSERT SELECT for remote table. This PR fixes the solution provided in [#9759](https://github.com/ClickHouse/ClickHouse/pull/9759) ... [#9999](https://github.com/ClickHouse/ClickHouse/pull/9999) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix wrong results of distributed queries when alias could override qualified column name. Fixes [#9672](https://github.com/ClickHouse/ClickHouse/issues/9672) [#9714](https://github.com/ClickHouse/ClickHouse/issues/9714) [#9972](https://github.com/ClickHouse/ClickHouse/pull/9972) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix possible deadlock in `SYSTEM RESTART REPLICAS` [#9955](https://github.com/ClickHouse/ClickHouse/pull/9955) ([tavplubix](https://github.com/tavplubix))
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* Fix the number of threads used for remote query execution (performance regression, since 20.3). This happened when query from `Distributed` table was executed simultaneously on local and remote shards. Fixes [#9965](https://github.com/ClickHouse/ClickHouse/issues/9965) [#9971](https://github.com/ClickHouse/ClickHouse/pull/9971) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix reusing connection after changing user\'s default settings via `ALTER USER` or `ALTER SETTINGS PROFILE`. This fixes integration test `test_settings_constraints_distributed`. [#9970](https://github.com/ClickHouse/ClickHouse/pull/9970) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fixed `DeleteOnDestroy` logic in `ATTACH PART` which could lead to automatic removal of attached part and added few tests [#9410](https://github.com/ClickHouse/ClickHouse/pull/9410) ([Vladimir Chebotarev](https://github.com/excitoon))
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* Fix a bug with `ON CLUSTER` DDL queries freezing on server startup. [#9927](https://github.com/ClickHouse/ClickHouse/pull/9927) ([Gagan Arneja](https://github.com/garneja))
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* Fix two bugs in `windowFunnel` ... [#9938](https://github.com/ClickHouse/ClickHouse/pull/9938) ([achimbab](https://github.com/achimbab))
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* Fix bug in which the necessary tables weren\'t retrieved at one of the processing stages of queries to some databases. Fixes [#9699](https://github.com/ClickHouse/ClickHouse/issues/9699). [#9949](https://github.com/ClickHouse/ClickHouse/pull/9949) ([achulkov2](https://github.com/achulkov2))
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* Fix \'Not found column in block\' error when `JOIN` appears with `TOTALS`. Fixes [#9839](https://github.com/ClickHouse/ClickHouse/issues/9839) [#9939](https://github.com/ClickHouse/ClickHouse/pull/9939) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix parsing multiple hosts set in the CREATE USER command, e.g. ... [#9924](https://github.com/ClickHouse/ClickHouse/pull/9924) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix bug in which the necessary tables weren't retrieved at one of the processing stages of queries to some databases. Fixes [#9699](https://github.com/ClickHouse/ClickHouse/issues/9699). [#9949](https://github.com/ClickHouse/ClickHouse/pull/9949) ([achulkov2](https://github.com/achulkov2))
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* Fix 'Not found column in block' error when `JOIN` appears with `TOTALS`. Fixes [#9839](https://github.com/ClickHouse/ClickHouse/issues/9839) [#9939](https://github.com/ClickHouse/ClickHouse/pull/9939) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix parsing multiple hosts set in the CREATE USER command [#9924](https://github.com/ClickHouse/ClickHouse/pull/9924) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix `TRUNCATE` for Join table engine ([#9917](https://github.com/ClickHouse/ClickHouse/issues/9917)). [#9920](https://github.com/ClickHouse/ClickHouse/pull/9920) ([Amos Bird](https://github.com/amosbird))
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* Fix race condition between drop and optimize in `ReplicatedMergeTree`. [#9901](https://github.com/ClickHouse/ClickHouse/pull/9901) ([alesapin](https://github.com/alesapin))
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* Fix DISTINCT for Distributed when `optimize_skip_unused_shards` is set. [#9808](https://github.com/ClickHouse/ClickHouse/pull/9808) ([Azat Khuzhin](https://github.com/azat))
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* Fix "scalar doesn\'t exist" error in ALTERs ([#9878](https://github.com/ClickHouse/ClickHouse/issues/9878)). ... [#9904](https://github.com/ClickHouse/ClickHouse/pull/9904) ([Amos Bird](https://github.com/amosbird))
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* Fix `DISTINCT` for Distributed when `optimize_skip_unused_shards` is set. [#9808](https://github.com/ClickHouse/ClickHouse/pull/9808) ([Azat Khuzhin](https://github.com/azat))
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* Fix "scalar doesn't exist" error in ALTERs ([#9878](https://github.com/ClickHouse/ClickHouse/issues/9878)). ... [#9904](https://github.com/ClickHouse/ClickHouse/pull/9904) ([Amos Bird](https://github.com/amosbird))
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* Fix error with qualified names in `distributed_product_mode=\'local\'`. Fixes [#4756](https://github.com/ClickHouse/ClickHouse/issues/4756) [#9891](https://github.com/ClickHouse/ClickHouse/pull/9891) ([Artem Zuikov](https://github.com/4ertus2))
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* For INSERT queries shard now clamps the settings got from the initiator to the shard\'s constaints instead of throwing an exception. This fix allows to send INSERT queries to a shard with another constraints. This change improves fix [#9447](https://github.com/ClickHouse/ClickHouse/issues/9447). [#9852](https://github.com/ClickHouse/ClickHouse/pull/9852) ([Vitaly Baranov](https://github.com/vitlibar))
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* Introduce commit retry logic to decrease the possibility of getting duplicates from Kafka in rare cases when offset commit was failed. [#9884](https://github.com/ClickHouse/ClickHouse/pull/9884) ([filimonov](https://github.com/filimonov))
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* Sometimes broker can reject commit if during `offsets.commit.timeout.ms` (broker setting, 5000 by default) there were no enough replicas available for the `__consumer_offsets` topic, also some other temporary issues like client-server connectivity problems are possible. Retries make that part more robust. ... [#10144](https://github.com/ClickHouse/ClickHouse/pull/10144) ([Vladimir Chebotarev](https://github.com/excitoon))
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* Fix Distributed engine with virtual columns of the underlying table in WHERE after [#8846](https://github.com/ClickHouse/ClickHouse/issues/8846) (requires `optimize_skip_unused_shards`) [#9847](https://github.com/ClickHouse/ClickHouse/pull/9847) ([Azat Khuzhin](https://github.com/azat))
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* Fixed a few cases when timezone of the function argument wasn\'t used properly. [#9574](https://github.com/ClickHouse/ClickHouse/pull/9574) ([Vasily Nemkov](https://github.com/Enmk))
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* Fix \'Different expressions with the same alias\' error when query has PREWHERE and WHERE on distributed table and `SET distributed_product_mode = \'local\'`. [#9871](https://github.com/ClickHouse/ClickHouse/pull/9871) ([Artem Zuikov](https://github.com/4ertus2))
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* For INSERT queries shards now do clamp the settings from the initiator to their constraints instead of throwing an exception. This fix allows to send INSERT queries to a shard with another constraints. This change improves fix [#9447](https://github.com/ClickHouse/ClickHouse/issues/9447). [#9852](https://github.com/ClickHouse/ClickHouse/pull/9852) ([Vitaly Baranov](https://github.com/vitlibar))
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* Add some retries when commiting offsets to Kafka broker, since it can reject commit if during `offsets.commit.timeout.ms` there were no enough replicas available for the `__consumer_offsets` topic [#9884](https://github.com/ClickHouse/ClickHouse/pull/9884) ([filimonov](https://github.com/filimonov))
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* Fix Distributed engine behavior when virtual columns of the underlying table used in `WHERE` [#9847](https://github.com/ClickHouse/ClickHouse/pull/9847) ([Azat Khuzhin](https://github.com/azat))
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* Fixed some cases when timezone of the function argument wasn't used properly. [#9574](https://github.com/ClickHouse/ClickHouse/pull/9574) ([Vasily Nemkov](https://github.com/Enmk))
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* Fix 'Different expressions with the same alias' error when query has PREWHERE and WHERE on distributed table and `SET distributed_product_mode = 'local'`. [#9871](https://github.com/ClickHouse/ClickHouse/pull/9871) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix mutations excessive memory consumption for tables with a composite primary key. This fixes [#9850](https://github.com/ClickHouse/ClickHouse/issues/9850). [#9860](https://github.com/ClickHouse/ClickHouse/pull/9860) ([alesapin](https://github.com/alesapin))
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* Fix calculating grants for introspection functions from the setting \'allow_introspection_functions\'. [#9840](https://github.com/ClickHouse/ClickHouse/pull/9840) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix calculating grants for introspection functions from the setting `allow_introspection_functions`. [#9840](https://github.com/ClickHouse/ClickHouse/pull/9840) ([Vitaly Baranov](https://github.com/vitlibar))
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* Fix max_distributed_connections (w/ and w/o Processors) [#9673](https://github.com/ClickHouse/ClickHouse/pull/9673) ([Azat Khuzhin](https://github.com/azat))
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* Fix possible exception `Got 0 in totals chunk, expected 1` on client. It happened for queries with `JOIN` in case if right joined table had zero rows. Example: `select * from system.one t1 join system.one t2 on t1.dummy = t2.dummy limit 0 FORMAT TabSeparated;`. Fixes [#9777](https://github.com/ClickHouse/ClickHouse/issues/9777). ... [#9823](https://github.com/ClickHouse/ClickHouse/pull/9823) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix \'COMMA to CROSS JOIN rewriter is not enabled or cannot rewrite query\' error in case of subqueries with COMMA JOIN out of tables lists (i.e. in WHERE). Fixes [#9782](https://github.com/ClickHouse/ClickHouse/issues/9782) [#9830](https://github.com/ClickHouse/ClickHouse/pull/9830) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix SIGSEGV with optimize_skip_unused_shards when type cannot be converted [#9804](https://github.com/ClickHouse/ClickHouse/pull/9804) ([Azat Khuzhin](https://github.com/azat))
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* Fix 'COMMA to CROSS JOIN rewriter is not enabled or cannot rewrite query' error in case of subqueries with COMMA JOIN out of tables lists (i.e. in WHERE). Fixes [#9782](https://github.com/ClickHouse/ClickHouse/issues/9782) [#9830](https://github.com/ClickHouse/ClickHouse/pull/9830) ([Artem Zuikov](https://github.com/4ertus2))
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* Fix server crashing when `optimize_skip_unused_shards` is set and expression for key can't be converted to its field type [#9804](https://github.com/ClickHouse/ClickHouse/pull/9804) ([Azat Khuzhin](https://github.com/azat))
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* Fix empty string handling in `splitByString`. [#9767](https://github.com/ClickHouse/ClickHouse/pull/9767) ([hcz](https://github.com/hczhcz))
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* Fix broken `ALTER TABLE DELETE COLUMN` query for compact parts. [#9779](https://github.com/ClickHouse/ClickHouse/pull/9779) ([alesapin](https://github.com/alesapin))
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* Fixed missing `rows_before_limit_at_least` for queries over http (with processors pipeline ). Fixes [#9730](https://github.com/ClickHouse/ClickHouse/issues/9730) [#9757](https://github.com/ClickHouse/ClickHouse/pull/9757) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
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* Fix completion highlighting issue when case insensitive matches are found. Do not include in changelog as the regression was not in any release. [#9753](https://github.com/ClickHouse/ClickHouse/pull/9753) ([Amos Bird](https://github.com/amosbird))
|
||||
* Fixed missing `rows_before_limit_at_least` for queries over http (with processors pipeline). Fixes [#9730](https://github.com/ClickHouse/ClickHouse/issues/9730) [#9757](https://github.com/ClickHouse/ClickHouse/pull/9757) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* Fix excessive memory consumption in `ALTER` queries (mutations). This fixes [#9533](https://github.com/ClickHouse/ClickHouse/issues/9533) and [#9670](https://github.com/ClickHouse/ClickHouse/issues/9670). [#9754](https://github.com/ClickHouse/ClickHouse/pull/9754) ([alesapin](https://github.com/alesapin))
|
||||
* Fix possible permanent "Cannot schedule a task" error (due to unhandled exception in `ParallelAggregatingBlockInputStream::Handler::onFinish/onFinishThread`) ... [#9154](https://github.com/ClickHouse/ClickHouse/pull/9154) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Fix possible permanent "Cannot schedule a task" error. [#9154](https://github.com/ClickHouse/ClickHouse/pull/9154) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Fix bug in backquoting in external dictionaries DDL. Fixes [#9619](https://github.com/ClickHouse/ClickHouse/issues/9619). [#9734](https://github.com/ClickHouse/ClickHouse/pull/9734) ([alesapin](https://github.com/alesapin))
|
||||
* Fixed data race in `text_log`. It does not correspond to any real bug. [#9726](https://github.com/ClickHouse/ClickHouse/pull/9726) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix bug in a replication that doesn\'t allow replication to work if the user has executed mutations on the previous version. This fixes [#9645](https://github.com/ClickHouse/ClickHouse/issues/9645). [#9652](https://github.com/ClickHouse/ClickHouse/pull/9652) ([alesapin](https://github.com/alesapin))
|
||||
* Fixed incorrect internal function names for `sumKahan` and `sumWithOverflow`. I lead to exception while using this functions in remote queries. ... [#9636](https://github.com/ClickHouse/ClickHouse/pull/9636) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Fix bug in a replication that doesn't allow replication to work if the user has executed mutations on the previous version. This fixes [#9645](https://github.com/ClickHouse/ClickHouse/issues/9645). [#9652](https://github.com/ClickHouse/ClickHouse/pull/9652) ([alesapin](https://github.com/alesapin))
|
||||
* Fixed incorrect internal function names for `sumKahan` and `sumWithOverflow`. It led to exception while using this functions in remote queries. [#9636](https://github.com/ClickHouse/ClickHouse/pull/9636) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Add setting `use_compact_format_in_distributed_parts_names` which allows to write files for `INSERT` queries into `Distributed` table with more compact format. This fixes [#9647](https://github.com/ClickHouse/ClickHouse/issues/9647). [#9653](https://github.com/ClickHouse/ClickHouse/pull/9653) ([alesapin](https://github.com/alesapin))
|
||||
* Fix RIGHT and FULL JOIN with LowCardinality in JOIN keys. [#9610](https://github.com/ClickHouse/ClickHouse/pull/9610) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Fix possible exceptions `Size of filter doesn\'t match size of column` and `Invalid number of rows in Chunk` in `MergeTreeRangeReader`. They could appear while executing `PREWHERE` in some cases. ... [#9612](https://github.com/ClickHouse/ClickHouse/pull/9612) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Allow ALTER ON CLUSTER of Distributed tables with internal replication. This fixes [#3268](https://github.com/ClickHouse/ClickHouse/issues/3268) [#9617](https://github.com/ClickHouse/ClickHouse/pull/9617) ([shinoi2](https://github.com/shinoi2))
|
||||
* Fixed the issue: timezone was not preserved if you write a simple arithmetic expression like `time + 1` (in contrast to an expression like `time + INTERVAL 1 SECOND`). This fixes [#5743](https://github.com/ClickHouse/ClickHouse/issues/5743) [#9323](https://github.com/ClickHouse/ClickHouse/pull/9323) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix possible exceptions `Size of filter doesn't match size of column` and `Invalid number of rows in Chunk` in `MergeTreeRangeReader`. They could appear while executing `PREWHERE` in some cases. [#9612](https://github.com/ClickHouse/ClickHouse/pull/9612) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Allow `ALTER ON CLUSTER` of Distributed tables with internal replication. This fixes [#3268](https://github.com/ClickHouse/ClickHouse/issues/3268) [#9617](https://github.com/ClickHouse/ClickHouse/pull/9617) ([shinoi2](https://github.com/shinoi2))
|
||||
* Fix issue when timezone was not preserved if you write a simple arithmetic expression like `time + 1` (in contrast to an expression like `time + INTERVAL 1 SECOND`). This fixes [#5743](https://github.com/ClickHouse/ClickHouse/issues/5743) [#9323](https://github.com/ClickHouse/ClickHouse/pull/9323) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
|
||||
#### Improvement
|
||||
* Use AWS SDK libraries from ClickHouse-Extras [#10527](https://github.com/ClickHouse/ClickHouse/pull/10527) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* Use time zone when comparing DateTime with string literal. This fixes [#5206](https://github.com/ClickHouse/ClickHouse/issues/5206). [#10515](https://github.com/ClickHouse/ClickHouse/pull/10515) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Print verbose diagnostic info if Decimal value cannot be parsed from text input format. [#10205](https://github.com/ClickHouse/ClickHouse/pull/10205) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add tasks/memory metrics for distributed/buffer schedule pools ... [#10449](https://github.com/ClickHouse/ClickHouse/pull/10449) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Display result as soon as it\'s ready for SELECT DISTINCT queries in clickhouse-local and HTTP interface. This fixes [#8951](https://github.com/ClickHouse/ClickHouse/issues/8951) [#9559](https://github.com/ClickHouse/ClickHouse/pull/9559) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add tasks/memory metrics for distributed/buffer schedule pools [#10449](https://github.com/ClickHouse/ClickHouse/pull/10449) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Display result as soon as it's ready for SELECT DISTINCT queries in clickhouse-local and HTTP interface. This fixes [#8951](https://github.com/ClickHouse/ClickHouse/issues/8951) [#9559](https://github.com/ClickHouse/ClickHouse/pull/9559) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Allow to use `SAMPLE OFFSET` query instead of `cityHash64(PRIMARY KEY) % N == n` for splitting in `clickhouse-copier`. To use this feature, pass `--experimental-use-sample-offset 1` as a command line argument. [#10414](https://github.com/ClickHouse/ClickHouse/pull/10414) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov))
|
||||
* Allow to parse BOM in TSV if the first column cannot contain BOM in its value. This fixes [#10301](https://github.com/ClickHouse/ClickHouse/issues/10301) [#10424](https://github.com/ClickHouse/ClickHouse/pull/10424) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Avro nested fields insert support [#10354](https://github.com/ClickHouse/ClickHouse/pull/10354) ([Andrew Onyshchuk](https://github.com/oandrew))
|
||||
* Allowed to alter column in non-modifying data mode when the same type is specified. ... [#10382](https://github.com/ClickHouse/ClickHouse/pull/10382) ([Vladimir Chebotarev](https://github.com/excitoon))
|
||||
* Auto distributed_group_by_no_merge on GROUP BY sharding key (if `optimize_skip_unused_shards` is set) ... [#10341](https://github.com/ClickHouse/ClickHouse/pull/10341) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Add Avro nested fields insert support [#10354](https://github.com/ClickHouse/ClickHouse/pull/10354) ([Andrew Onyshchuk](https://github.com/oandrew))
|
||||
* Allowed to alter column in non-modifying data mode when the same type is specified. [#10382](https://github.com/ClickHouse/ClickHouse/pull/10382) ([Vladimir Chebotarev](https://github.com/excitoon))
|
||||
* Auto `distributed_group_by_no_merge` on GROUP BY sharding key (if `optimize_skip_unused_shards` is set) [#10341](https://github.com/ClickHouse/ClickHouse/pull/10341) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Optimize queries with LIMIT/LIMIT BY/ORDER BY for distributed with GROUP BY sharding_key [#10373](https://github.com/ClickHouse/ClickHouse/pull/10373) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Added a setting `max_server_memory_usage` to limit total memory usage of the server. The metric `MemoryTracking` is now calculated without a drift. The setting `max_memory_usage_for_all_queries` is now obsolete and does nothing. This closes [#10293](https://github.com/ClickHouse/ClickHouse/issues/10293). Note: on servers with very low memory amount and swap you may have to add `max_server_memory_usage_to_ram_ratio` in config.xml and set it to a value larger than one. [#10362](https://github.com/ClickHouse/ClickHouse/pull/10362) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add config option `system_tables_lazy_load` that, if set to false, loads system tables with logs at the server startup. [Alexander Burmak](https://github.com/Alex-Burmak), [Svyatoslav Tkhon Il Pak](https://github.com/DeifyTheGod), [#9642](https://github.com/ClickHouse/ClickHouse/pull/9642) [#10359](https://github.com/ClickHouse/ClickHouse/pull/10359) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added a setting `max_server_memory_usage` to limit total memory usage of the server. The metric `MemoryTracking` is now calculated without a drift. The setting `max_memory_usage_for_all_queries` is now obsolete and does nothing. This closes [#10293](https://github.com/ClickHouse/ClickHouse/issues/10293). [#10362](https://github.com/ClickHouse/ClickHouse/pull/10362) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add config option `system_tables_lazy_load`. If it's set to false, then system tables with logs are loaded at the server startup. [Alexander Burmak](https://github.com/Alex-Burmak), [Svyatoslav Tkhon Il Pak](https://github.com/DeifyTheGod), [#9642](https://github.com/ClickHouse/ClickHouse/pull/9642) [#10359](https://github.com/ClickHouse/ClickHouse/pull/10359) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Use background thread pool (background_schedule_pool_size) for distributed sends [#10263](https://github.com/ClickHouse/ClickHouse/pull/10263) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Use background thread pool for background buffer flushes (this will allow to avoid occupation threads when there are no insert\'s) ... [#10315](https://github.com/ClickHouse/ClickHouse/pull/10315) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Use background thread pool for background buffer flushes. [#10315](https://github.com/ClickHouse/ClickHouse/pull/10315) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Support ReplicatedMergeTree over S3 [#10126](https://github.com/ClickHouse/ClickHouse/pull/10126) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* Support for one special case of removing incompletely written parts. This fixes [#9940](https://github.com/ClickHouse/ClickHouse/issues/9940). [#10221](https://github.com/ClickHouse/ClickHouse/pull/10221) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Use isInjective() over manual list of such functions for GROUP BY optimization ... [#10342](https://github.com/ClickHouse/ClickHouse/pull/10342) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Improve MsgPack input format by addition msgpack::visitor concept instead of msgpack::unpack concept. [#10325](https://github.com/ClickHouse/ClickHouse/pull/10325) ([Kruglov Pavel](https://github.com/Avogar))
|
||||
* Use isInjective() over manual list of such functions for GROUP BY optimization. [#10342](https://github.com/ClickHouse/ClickHouse/pull/10342) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Improve MsgPack input format by adding msgpack::visitor concept instead of msgpack::unpack concept. [#10325](https://github.com/ClickHouse/ClickHouse/pull/10325) ([Kruglov Pavel](https://github.com/Avogar))
|
||||
* Avoid printing error message in log if client sends RST packet immediately on connect. It is typical behaviour of IPVS balancer with keepalived and VRRP. This fixes [#1851](https://github.com/ClickHouse/ClickHouse/issues/1851) [#10274](https://github.com/ClickHouse/ClickHouse/pull/10274) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Allow to parse `+inf` for floating point types. This closes [#1839](https://github.com/ClickHouse/ClickHouse/issues/1839) [#10272](https://github.com/ClickHouse/ClickHouse/pull/10272) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Followup PR for https://github.com/yandex/ClickHouse/pull/5045. ... [#6256](https://github.com/ClickHouse/ClickHouse/pull/6256) ([Guillaume Tassery](https://github.com/YiuRULE))
|
||||
* Followup PR for [#5045](https://github.com/ClickHouse/ClickHouse/issues/5045). ... [#10269](https://github.com/ClickHouse/ClickHouse/pull/10269) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Implemented `generateRandom` table function for Nested types. This closes [#9903](https://github.com/ClickHouse/ClickHouse/issues/9903) [#10219](https://github.com/ClickHouse/ClickHouse/pull/10219) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Provide `max_allowed_packed` in MySQL compatibility interface that will help some clients to communicate with ClickHouse via MySQL protocol. ... [#10199](https://github.com/ClickHouse/ClickHouse/pull/10199) ([BohuTANG](https://github.com/BohuTANG))
|
||||
* Allow literals for GLOBAL IN (i.e. `SELECT * FROM remote(\'localhost\', system.one) WHERE dummy global in (0)`) [#10196](https://github.com/ClickHouse/ClickHouse/pull/10196) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Provide `max_allowed_packed` in MySQL compatibility interface that will help some clients to communicate with ClickHouse via MySQL protocol. [#10199](https://github.com/ClickHouse/ClickHouse/pull/10199) ([BohuTANG](https://github.com/BohuTANG))
|
||||
* Allow literals for GLOBAL IN (i.e. `SELECT * FROM remote('localhost', system.one) WHERE dummy global in (0)`) [#10196](https://github.com/ClickHouse/ClickHouse/pull/10196) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Fix various small issues in interactive mode of clickhouse-client [#10194](https://github.com/ClickHouse/ClickHouse/pull/10194) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Avoid superfluous dictionaries load (system.tables, DROP/SHOW CREATE TABLE) [#10164](https://github.com/ClickHouse/ClickHouse/pull/10164) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Update to RWLock: timeout parameter for getLock() + implementation reworked to be phase fair [#10073](https://github.com/ClickHouse/ClickHouse/pull/10073) ([Alexander Kazakov](https://github.com/Akazz))
|
||||
* Enhanced compatibility with native mysql-connector-java(JDBC) [#10021](https://github.com/ClickHouse/ClickHouse/pull/10021) ([BohuTANG](https://github.com/BohuTANG))
|
||||
* The function `toString` is considered monotonic and can be used for index analysis even when applied in tautological cases with String or LowCardinality(String) argument. ... [#10110](https://github.com/ClickHouse/ClickHouse/pull/10110) ([Amos Bird](https://github.com/amosbird))
|
||||
* Add `ON CLUSTER` clause to commands `{CREATE|DROP} USER/ROLE/ROW POLICY/SETTINGS PROFILE/QUOTA`, `GRANT`. ... [#9811](https://github.com/ClickHouse/ClickHouse/pull/9811) ([Vitaly Baranov](https://github.com/vitlibar))
|
||||
* The function `toString` is considered monotonic and can be used for index analysis even when applied in tautological cases with String or LowCardinality(String) argument. [#10110](https://github.com/ClickHouse/ClickHouse/pull/10110) ([Amos Bird](https://github.com/amosbird))
|
||||
* Add `ON CLUSTER` clause support to commands `{CREATE|DROP} USER/ROLE/ROW POLICY/SETTINGS PROFILE/QUOTA`, `GRANT`. [#9811](https://github.com/ClickHouse/ClickHouse/pull/9811) ([Vitaly Baranov](https://github.com/vitlibar))
|
||||
* Virtual hosted-style support for S3 URI [#9998](https://github.com/ClickHouse/ClickHouse/pull/9998) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* Now layout type for dictionaries with no arguments can be specified without round brackets in dictionaries DDL-queries. Fixes [#10057](https://github.com/ClickHouse/ClickHouse/issues/10057). [#10064](https://github.com/ClickHouse/ClickHouse/pull/10064) ([alesapin](https://github.com/alesapin))
|
||||
* Add ability to use number ranges with leading zeros in filepath [#9989](https://github.com/ClickHouse/ClickHouse/pull/9989) ([Olga Khvostikova](https://github.com/stavrolia))
|
||||
* Better memory usage in CROSS JOIN. [#10029](https://github.com/ClickHouse/ClickHouse/pull/10029) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Use DFA algorithm for sequenceMatch without `(?t)`. [#4004](https://github.com/ClickHouse/ClickHouse/pull/4004) ([L\xc3\xa9o Ercolanelli](https://github.com/LeoErcolanelli))
|
||||
* The `clickhouse-format` tool is now able to format multiple queries when the `-n` argument is used. [#10852](https://github.com/ClickHouse/ClickHouse/pull/10852) ([Dar\xc3\xado](https://github.com/dgrr))
|
||||
* Try to all shards in cluster when getting structure of remote table and skip_unavailable_shards is set. ... [#7278](https://github.com/ClickHouse/ClickHouse/pull/7278) ([nvartolomei](https://github.com/nvartolomei))
|
||||
* Use DFA algorithm for sequenceMatch without `(?t)`. [#4004](https://github.com/ClickHouse/ClickHouse/pull/4004) ([Léo Ercolanelli](https://github.com/LeoErcolanelli))
|
||||
* The `clickhouse-format` tool is now able to format multiple queries when the `-n` argument is used. [#10852](https://github.com/ClickHouse/ClickHouse/pull/10852) ([Darío](https://github.com/dgrr))
|
||||
* Try to connect to all shards in cluster when getting structure of remote table and skip_unavailable_shards is set. [#7278](https://github.com/ClickHouse/ClickHouse/pull/7278) ([nvartolomei](https://github.com/nvartolomei))
|
||||
* Add `total_rows`/`total_bytes` into the `system.tables` table. [#9919](https://github.com/ClickHouse/ClickHouse/pull/9919) ([Azat Khuzhin](https://github.com/azat))
|
||||
* System log tables now use polymorpic parts by default. [#9905](https://github.com/ClickHouse/ClickHouse/pull/9905) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Add type column into system.settings/merge_tree_settings [#9909](https://github.com/ClickHouse/ClickHouse/pull/9909) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Check for available CPU instructions at server startup as early as possible. [#9888](https://github.com/ClickHouse/ClickHouse/pull/9888) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Remove order by stage from mutations because we read from a single ordered part in a single thread. Also add check that the order of rows in mutation is ordered in sorting key order and this order is not violated. [#9886](https://github.com/ClickHouse/ClickHouse/pull/9886) ([alesapin](https://github.com/alesapin))
|
||||
* Remove `ORDER BY` stage from mutations because we read from a single ordered part in a single thread. Also add check that the rows in mutation are ordered by sorting key and this order is not violated. [#9886](https://github.com/ClickHouse/ClickHouse/pull/9886) ([alesapin](https://github.com/alesapin))
|
||||
* Implement operator LIKE for FixedString at left hand side. This is needed to better support TPC-DS queries. [#9890](https://github.com/ClickHouse/ClickHouse/pull/9890) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add force_optimize_skip_unused_shards_no_nested that will disable force_optimize_skip_unused_shards for nested Distributed table [#9812](https://github.com/ClickHouse/ClickHouse/pull/9812) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Now columns size calculated only once for MergeTree data parts. [#9827](https://github.com/ClickHouse/ClickHouse/pull/9827) ([alesapin](https://github.com/alesapin))
|
||||
* Evaluate constant expressions for optimize_skip_unused_shards (i.e. `SELECT * FROM foo_dist WHERE key=xxHash32(0)`) [#8846](https://github.com/ClickHouse/ClickHouse/pull/8846) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Add `force_optimize_skip_unused_shards_no_nested` that will disable `force_optimize_skip_unused_shards` for nested Distributed table [#9812](https://github.com/ClickHouse/ClickHouse/pull/9812) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Now columns size is calculated only once for MergeTree data parts. [#9827](https://github.com/ClickHouse/ClickHouse/pull/9827) ([alesapin](https://github.com/alesapin))
|
||||
* Evaluate constant expressions for `optimize_skip_unused_shards` (i.e. `SELECT * FROM foo_dist WHERE key=xxHash32(0)`) [#8846](https://github.com/ClickHouse/ClickHouse/pull/8846) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Check for using `Date` or `DateTime` column from TTL expressions was removed. [#9967](https://github.com/ClickHouse/ClickHouse/pull/9967) ([Vladimir Chebotarev](https://github.com/excitoon))
|
||||
* DiskS3 hard links optimal implementation. [#9760](https://github.com/ClickHouse/ClickHouse/pull/9760) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* If `set multiple_joins_rewriter_version = 2` enables second version of multiple JOIN rewrites that keeps not clashed column names as is. It supports multiple JOINs with `USING` and allow `select *` for JOINs with subqueries. ... [#9739](https://github.com/ClickHouse/ClickHouse/pull/9739) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* If `set multiple_joins_rewriter_version = 2` enables second version of multiple JOIN rewrites that keeps not clashed column names as is. It supports multiple JOINs with `USING` and allow `select *` for JOINs with subqueries. [#9739](https://github.com/ClickHouse/ClickHouse/pull/9739) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Implementation of "non-blocking" alter for StorageMergeTree [#9606](https://github.com/ClickHouse/ClickHouse/pull/9606) ([alesapin](https://github.com/alesapin))
|
||||
* MergeTree full support for DiskS3 [#9646](https://github.com/ClickHouse/ClickHouse/pull/9646) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* Add MergeTree full support for DiskS3 [#9646](https://github.com/ClickHouse/ClickHouse/pull/9646) ([Pavel Kovalenko](https://github.com/Jokser))
|
||||
* Extend `splitByString` to support empty strings as separators. [#9742](https://github.com/ClickHouse/ClickHouse/pull/9742) ([hcz](https://github.com/hczhcz))
|
||||
* Add a `timestamp_ns` column to `system.trace_log`. It contains a high-definition timestamp of the trace event, and allows to build timelines of thread profiles ("flame charts"). [#9696](https://github.com/ClickHouse/ClickHouse/pull/9696) ([Alexander Kuzmenkov](https://github.com/akuzm))
|
||||
* When the setting `send_logs_level` is enabled, avoid intermixing of log messages and query progress. [#9634](https://github.com/ClickHouse/ClickHouse/pull/9634) ([Azat Khuzhin](https://github.com/azat))
|
||||
* Added MATERIALIZE TTL IN PARTITION. [#9581](https://github.com/ClickHouse/ClickHouse/pull/9581) ([Vladimir Chebotarev](https://github.com/excitoon))
|
||||
* Added support of `MATERIALIZE TTL IN PARTITION`. [#9581](https://github.com/ClickHouse/ClickHouse/pull/9581) ([Vladimir Chebotarev](https://github.com/excitoon))
|
||||
|
||||
#### Performance Improvement
|
||||
* Better insert logic for right table for Partial MergeJoin. [#10467](https://github.com/ClickHouse/ClickHouse/pull/10467) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Improved performance of row-oriented formats (more than 10% for CSV and more than 35% for Avro in case of narrow tables). [#10503](https://github.com/ClickHouse/ClickHouse/pull/10503) ([Andrew Onyshchuk](https://github.com/oandrew))
|
||||
* Improved performance of queries with explicitly defined sets at right side of IN operator and tuples in the left side. [#10385](https://github.com/ClickHouse/ClickHouse/pull/10385) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Improved performance of queries with explicitly defined sets at right side of IN operator and tuples on the left side. [#10385](https://github.com/ClickHouse/ClickHouse/pull/10385) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Use less memory for hash table in HashJoin. [#10416](https://github.com/ClickHouse/ClickHouse/pull/10416) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Special HashJoin over StorageDictionary. Allow rewrite `dictGet()` functions with JOINs. It\'s not backward incompatible itself but could uncover [#8400](https://github.com/ClickHouse/ClickHouse/issues/8400) on some installations. [#10133](https://github.com/ClickHouse/ClickHouse/pull/10133) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Special HashJoin over StorageDictionary. Allow rewrite `dictGet()` functions with JOINs. It's not backward incompatible itself but could uncover [#8400](https://github.com/ClickHouse/ClickHouse/issues/8400) on some installations. [#10133](https://github.com/ClickHouse/ClickHouse/pull/10133) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* Enable parallel insert of materialized view when its target table supports. [#10052](https://github.com/ClickHouse/ClickHouse/pull/10052) ([vxider](https://github.com/Vxider))
|
||||
* Improved performance of index analisys with monotonic functions. [#9607](https://github.com/ClickHouse/ClickHouse/pull/9607) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Improve performance of index analisys with monotonic functions. [#10026](https://github.com/ClickHouse/ClickHouse/pull/10026) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Using SSE2 or SSE4.2 SIMD intrinsics to speed up tokenization in bloom filters. ... [#9968](https://github.com/ClickHouse/ClickHouse/pull/9968) ([Vasily Nemkov](https://github.com/Enmk))
|
||||
* Optimize Volnitsky searcher by inlining, should be about 5-10% search improvement for queries with many needles or many similar bigrams ... [#4862](https://github.com/ClickHouse/ClickHouse/pull/4862) ([Danila Kutenin](https://github.com/danlark1))
|
||||
* Improved performance of index analysis with monotonic functions. [#9607](https://github.com/ClickHouse/ClickHouse/pull/9607)[#10026](https://github.com/ClickHouse/ClickHouse/pull/10026) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Using SSE2 or SSE4.2 SIMD intrinsics to speed up tokenization in bloom filters. [#9968](https://github.com/ClickHouse/ClickHouse/pull/9968) ([Vasily Nemkov](https://github.com/Enmk))
|
||||
* Optimize Volnitsky searcher by inlining, should be about 5-10% search improvement for queries with many needles or many similar bigrams [#4862](https://github.com/ClickHouse/ClickHouse/pull/4862) ([Danila Kutenin](https://github.com/danlark1))
|
||||
* Optimize count() [#6028](https://github.com/ClickHouse/ClickHouse/pull/6028) ([Amos Bird](https://github.com/amosbird))
|
||||
* Now prewhere should be at least as efficient as where. As a result, any viable predicates can be moved into prewhere without fancy heuristic ... [#7769](https://github.com/ClickHouse/ClickHouse/pull/7769) ([Amos Bird](https://github.com/amosbird))
|
||||
* Enable SSO for IN operator. Improvements varies from 4% - **257%** . Should be merged after https://github.com/ClickHouse/ClickHouse/pull/7662 ... [#7782](https://github.com/ClickHouse/ClickHouse/pull/7782) ([Amos Bird](https://github.com/amosbird))
|
||||
* Now `PREWHERE` should be at least as efficient as where. As a result, any viable predicates can be moved into `PREWHERE` expression without fancy heuristic [#7769](https://github.com/ClickHouse/ClickHouse/pull/7769) ([Amos Bird](https://github.com/amosbird))
|
||||
* Enable SSO for IN operator. Improvements varies from 4% to **257%**. [#7782](https://github.com/ClickHouse/ClickHouse/pull/7782) ([Amos Bird](https://github.com/amosbird))
|
||||
* Improved performance of queries with explicitly defined sets at right side of `IN` operator. This fixes performance regression in version 20.3. [#9740](https://github.com/ClickHouse/ClickHouse/pull/9740) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Now clickhouse-copier splits each partition in number of pieces and copies them independently. [#9075](https://github.com/ClickHouse/ClickHouse/pull/9075) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov))
|
||||
* Adding more aggregation methods. For example TPCH query 1 will now pick `FixedHashMap<UInt16, AggregateDataPtr>` and gets 25% performance gain [#9829](https://github.com/ClickHouse/ClickHouse/pull/9829) ([Amos Bird](https://github.com/amosbird))
|
||||
* Adding more aggregation methods. For example TPC-H query 1 will now pick `FixedHashMap<UInt16, AggregateDataPtr>` and gets 25% performance gain [#9829](https://github.com/ClickHouse/ClickHouse/pull/9829) ([Amos Bird](https://github.com/amosbird))
|
||||
* Use single row counter for multiple streams in pre-limit transform. This helps to avoid uniting pipeline streams in queries with `limit` but without `order by` (like `select f(x) from (select x from t limit 1000000000)`) and use multiple threads for further processing. [#9602](https://github.com/ClickHouse/ClickHouse/pull/9602) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
|
||||
#### Build/Testing/Packaging Improvement
|
||||
* Adding integration tests for new ALTER RENAME COLUMN query. [#10654](https://github.com/ClickHouse/ClickHouse/pull/10654) ([vzakaznikov](https://github.com/vzakaznikov))
|
||||
* Fixed possible signed integer overflow in invocation of function `now64` with wrong arguments. This fixes [#8973](https://github.com/ClickHouse/ClickHouse/issues/8973) [#10511](https://github.com/ClickHouse/ClickHouse/pull/10511) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add integration tests for new ALTER RENAME COLUMN query. [#10654](https://github.com/ClickHouse/ClickHouse/pull/10654) ([vzakaznikov](https://github.com/vzakaznikov))
|
||||
* Fix possible signed integer overflow in invocation of function `now64` with wrong arguments. This fixes [#8973](https://github.com/ClickHouse/ClickHouse/issues/8973) [#10511](https://github.com/ClickHouse/ClickHouse/pull/10511) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Split fuzzer and sanitizer configurations to make build config compatible with Oss-fuzz. [#10494](https://github.com/ClickHouse/ClickHouse/pull/10494) ([kyprizel](https://github.com/kyprizel))
|
||||
* Fixes for clang-tidy on clang-10. [#10420](https://github.com/ClickHouse/ClickHouse/pull/10420) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Display absolute paths in error messages. Otherwise KDevelop fails to navigate to correct file and opens a new file instead. [#10434](https://github.com/ClickHouse/ClickHouse/pull/10434) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
@ -252,16 +241,15 @@
|
||||
* Enable ThinLTO for clang builds (experimental). [#10435](https://github.com/ClickHouse/ClickHouse/pull/10435) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Remove accidential dependency on Z3 that may be introduced if the system has Z3 solver installed. [#10426](https://github.com/ClickHouse/ClickHouse/pull/10426) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Move integration tests docker files to docker/ directory. [#10335](https://github.com/ClickHouse/ClickHouse/pull/10335) ([Ilya Yatsishin](https://github.com/qoega))
|
||||
* Allow to use `clang-10` in CI. This is to ensure that [#10238](https://github.com/ClickHouse/ClickHouse/issues/10238) is fixed. [#10384](https://github.com/ClickHouse/ClickHouse/pull/10384) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Allow to use `clang-10` in CI. It ensures that [#10238](https://github.com/ClickHouse/ClickHouse/issues/10238) is fixed. [#10384](https://github.com/ClickHouse/ClickHouse/pull/10384) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Update OpenSSL to upstream master. Fixed the issue when TLS connections may fail with the message `OpenSSL SSL_read: error:14094438:SSL routines:ssl3_read_bytes:tlsv1 alert internal error` and `SSL Exception: error:2400006E:random number generator::error retrieving entropy`. The issue was present in version 20.1. [#8956](https://github.com/ClickHouse/ClickHouse/pull/8956) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix clang-10 build. https://github.com/ClickHouse/ClickHouse/issues/10238 [#10370](https://github.com/ClickHouse/ClickHouse/pull/10370) ([Amos Bird](https://github.com/amosbird))
|
||||
* Fixing 00964_live_view_watch_events_heartbeat.py test. [#10356](https://github.com/ClickHouse/ClickHouse/pull/10356) ([vzakaznikov](https://github.com/vzakaznikov))
|
||||
* This PR adds the performance test for [Parallel INSERT for materialized view](https://github.com/ClickHouse/ClickHouse/pull/10052). [#10345](https://github.com/ClickHouse/ClickHouse/pull/10345) ([vxider](https://github.com/Vxider))
|
||||
* Add performance test for [Parallel INSERT for materialized view](https://github.com/ClickHouse/ClickHouse/pull/10052). [#10345](https://github.com/ClickHouse/ClickHouse/pull/10345) ([vxider](https://github.com/Vxider))
|
||||
* Fix flaky test `test_settings_constraints_distributed.test_insert_clamps_settings`. [#10346](https://github.com/ClickHouse/ClickHouse/pull/10346) ([Vitaly Baranov](https://github.com/vitlibar))
|
||||
* Add util to test results upload in CI ClickHouse [#10330](https://github.com/ClickHouse/ClickHouse/pull/10330) ([Ilya Yatsishin](https://github.com/qoega))
|
||||
* Convert test results to JSONEachRow format in junit_to_html tool [#10323](https://github.com/ClickHouse/ClickHouse/pull/10323) ([Ilya Yatsishin](https://github.com/qoega))
|
||||
* Update cctz just in case. [#10215](https://github.com/ClickHouse/ClickHouse/pull/10215) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Allow to create HTML report from purest JUnit XML report. [#10247](https://github.com/ClickHouse/ClickHouse/pull/10247) ([Ilya Yatsishin](https://github.com/qoega))
|
||||
* Update cctz. [#10215](https://github.com/ClickHouse/ClickHouse/pull/10215) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Allow to create HTML report from the purest JUnit XML report. [#10247](https://github.com/ClickHouse/ClickHouse/pull/10247) ([Ilya Yatsishin](https://github.com/qoega))
|
||||
* Update the check for minimal compiler version. Fix the root cause of the issue [#10250](https://github.com/ClickHouse/ClickHouse/issues/10250) [#10256](https://github.com/ClickHouse/ClickHouse/pull/10256) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Initial support for live view tables over distributed [#10179](https://github.com/ClickHouse/ClickHouse/pull/10179) ([vzakaznikov](https://github.com/vzakaznikov))
|
||||
* Fix (false) MSan report in MergeTreeIndexFullText. The issue first appeared in [#9968](https://github.com/ClickHouse/ClickHouse/issues/9968). [#10801](https://github.com/ClickHouse/ClickHouse/pull/10801) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
@ -270,29 +258,25 @@
|
||||
* Update libdivide to v3.0 [#10169](https://github.com/ClickHouse/ClickHouse/pull/10169) ([Ivan](https://github.com/abyss7))
|
||||
* Add check with enabled polymorphic parts. [#10086](https://github.com/ClickHouse/ClickHouse/pull/10086) ([Anton Popov](https://github.com/CurtizJ))
|
||||
* Add cross-compile build for FreeBSD. This fixes [#9465](https://github.com/ClickHouse/ClickHouse/issues/9465) [#9643](https://github.com/ClickHouse/ClickHouse/pull/9643) ([Ivan](https://github.com/abyss7))
|
||||
* performance test for [#6924](https://github.com/ClickHouse/ClickHouse/issues/6924) [#6980](https://github.com/ClickHouse/ClickHouse/pull/6980) ([filimonov](https://github.com/filimonov))
|
||||
* support `StorageFile(<format>, null) ` to deser block into given format file without actually write to disk. It\'s used to perf test format parsers. ... [#8455](https://github.com/ClickHouse/ClickHouse/pull/8455) ([Amos Bird](https://github.com/amosbird))
|
||||
* Add performance test for [#6924](https://github.com/ClickHouse/ClickHouse/issues/6924) [#6980](https://github.com/ClickHouse/ClickHouse/pull/6980) ([filimonov](https://github.com/filimonov))
|
||||
* Add support of `/dev/null` in the `File` engine for better performance testing [#8455](https://github.com/ClickHouse/ClickHouse/pull/8455) ([Amos Bird](https://github.com/amosbird))
|
||||
* Move all folders inside /dbms one level up [#9974](https://github.com/ClickHouse/ClickHouse/pull/9974) ([Ivan](https://github.com/abyss7))
|
||||
* Added a test that checks that read from MergeTree with single thread is performed in order. Addition to [#9670](https://github.com/ClickHouse/ClickHouse/issues/9670) [#9762](https://github.com/ClickHouse/ClickHouse/pull/9762) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Add a test that checks that read from MergeTree with single thread is performed in order. Addition to [#9670](https://github.com/ClickHouse/ClickHouse/issues/9670) [#9762](https://github.com/ClickHouse/ClickHouse/pull/9762) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix the `00964_live_view_watch_events_heartbeat.py` test to avoid race condition. [#9944](https://github.com/ClickHouse/ClickHouse/pull/9944) ([vzakaznikov](https://github.com/vzakaznikov))
|
||||
* Fix integration test `test_settings_constraints`. ... [#9962](https://github.com/ClickHouse/ClickHouse/pull/9962) ([Vitaly Baranov](https://github.com/vitlibar))
|
||||
* Fix integration test `test_settings_constraints` [#9962](https://github.com/ClickHouse/ClickHouse/pull/9962) ([Vitaly Baranov](https://github.com/vitlibar))
|
||||
* Every function in its own file, part 12. [#9922](https://github.com/ClickHouse/ClickHouse/pull/9922) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added performance test for the case of extremely slow analysis of array of tuples. [#9872](https://github.com/ClickHouse/ClickHouse/pull/9872) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Update zstd to 1.4.4. It has some minor improvements in performance and compression ratio. If you run replicas with different versions of ClickHouse you may see reasonable error messages `Data after merge is not byte-identical to data on another replicas.` with explanation. These messages are Ok and you should not worry. ... [#10663](https://github.com/ClickHouse/ClickHouse/pull/10663) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Update zstd to 1.4.4. It has some minor improvements in performance and compression ratio. If you run replicas with different versions of ClickHouse you may see reasonable error messages `Data after merge is not byte-identical to data on another replicas.` with explanation. These messages are Ok and you should not worry. [#10663](https://github.com/ClickHouse/ClickHouse/pull/10663) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix TSan report in `system.stack_trace`. [#9832](https://github.com/ClickHouse/ClickHouse/pull/9832) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Removed dependency on `clock_getres`. [#9833](https://github.com/ClickHouse/ClickHouse/pull/9833) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Preparation to fix https://clickhouse-test-reports.s3.yandex.net/9813/622bca235848bf1a7950d6eeb10241204aa069eb/stress_test_(thread)/stderr.log [#9825](https://github.com/ClickHouse/ClickHouse/pull/9825) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added identifier names check with clang-tidy. [#9799](https://github.com/ClickHouse/ClickHouse/pull/9799) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Update "builder" docker image. This image is not used in CI but is useful for developers. [#9809](https://github.com/ClickHouse/ClickHouse/pull/9809) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Remove old `performance-test` tool that is no longer used in CI. `clickhouse-performance-test` is great but now we are using way superior tool that is doing comparison testing with sophisticated statistical formulas to achieve confident results regardless to various changes in environment. [#9796](https://github.com/ClickHouse/ClickHouse/pull/9796) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added most of clang-static-analyzer checks. [#9765](https://github.com/ClickHouse/ClickHouse/pull/9765) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Update Poco to 1.9.3 in preparation for MongoDB URI support. [#6892](https://github.com/ClickHouse/ClickHouse/pull/6892) ([Alexander Kuzmenkov](https://github.com/akuzm))
|
||||
* Added even more clang-tidy checks. [#9719](https://github.com/ClickHouse/ClickHouse/pull/9719) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added more clang-tidy checks. [#9718](https://github.com/ClickHouse/ClickHouse/pull/9718) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Added more clang-tidy checks. [#9717](https://github.com/ClickHouse/ClickHouse/pull/9717) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
* Fix build with `-DUSE_STATIC_LIBRARIES=0 -DENABLE_JEMALLOC=0` [#9651](https://github.com/ClickHouse/ClickHouse/pull/9651) ([Artem Zuikov](https://github.com/4ertus2))
|
||||
* For change log script, if merge commit was cherry-picked to release branch, take pr name from commit description. [#9708](https://github.com/ClickHouse/ClickHouse/pull/9708) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* Support `vX.X-conflicts` tag in backport script. ... [#9705](https://github.com/ClickHouse/ClickHouse/pull/9705) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* For change log script, if merge commit was cherry-picked to release branch, take PR name from commit description. [#9708](https://github.com/ClickHouse/ClickHouse/pull/9708) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* Support `vX.X-conflicts` tag in backport script. [#9705](https://github.com/ClickHouse/ClickHouse/pull/9705) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* Fix `auto-label` for backporting script. [#9685](https://github.com/ClickHouse/ClickHouse/pull/9685) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
|
||||
* Use libc++ in Darwin cross-build to make it consistent with native build. [#9665](https://github.com/ClickHouse/ClickHouse/pull/9665) ([Hui Wang](https://github.com/huiwang))
|
||||
* Fix flacky test `01017_uniqCombined_memory_usage`. Continuation of [#7236](https://github.com/ClickHouse/ClickHouse/issues/7236). [#9667](https://github.com/ClickHouse/ClickHouse/pull/9667) ([alexey-milovidov](https://github.com/alexey-milovidov))
|
||||
@ -366,7 +350,6 @@
|
||||
* Fix bug in `CHECK TABLE` query when table contain skip indices. [#10068](https://github.com/ClickHouse/ClickHouse/pull/10068) ([alesapin](https://github.com/alesapin)).
|
||||
* Fix error `Cannot clone block with columns because block has 0 columns ... While executing GroupingAggregatedTransform`. It happened when setting `distributed_aggregation_memory_efficient` was enabled, and distributed query read aggregating data with different level from different shards (mixed single and two level aggregation). [#10063](https://github.com/ClickHouse/ClickHouse/pull/10063) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
|
||||
* Fix a segmentation fault that could occur in GROUP BY over string keys containing trailing zero bytes ([#8636](https://github.com/ClickHouse/ClickHouse/issues/8636), [#8925](https://github.com/ClickHouse/ClickHouse/issues/8925)). [#10025](https://github.com/ClickHouse/ClickHouse/pull/10025) ([Alexander Kuzmenkov](https://github.com/akuzm)).
|
||||
* Fix parallel distributed INSERT SELECT for remote table. This PR fixes the solution provided in [#9759](https://github.com/ClickHouse/ClickHouse/pull/9759). [#9999](https://github.com/ClickHouse/ClickHouse/pull/9999) ([Vitaly Baranov](https://github.com/vitlibar)).
|
||||
* Fix the number of threads used for remote query execution (performance regression, since 20.3). This happened when query from `Distributed` table was executed simultaneously on local and remote shards. Fixes [#9965](https://github.com/ClickHouse/ClickHouse/issues/9965). [#9971](https://github.com/ClickHouse/ClickHouse/pull/9971) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
|
||||
* Fix bug in which the necessary tables weren't retrieved at one of the processing stages of queries to some databases. Fixes [#9699](https://github.com/ClickHouse/ClickHouse/issues/9699). [#9949](https://github.com/ClickHouse/ClickHouse/pull/9949) ([achulkov2](https://github.com/achulkov2)).
|
||||
* Fix 'Not found column in block' error when `JOIN` appears with `TOTALS`. Fixes [#9839](https://github.com/ClickHouse/ClickHouse/issues/9839). [#9939](https://github.com/ClickHouse/ClickHouse/pull/9939) ([Artem Zuikov](https://github.com/4ertus2)).
|
||||
|
||||
Loading…
Reference in New Issue
Block a user