* This release also contains all bug fixes from 19.14.6.12.
* Fixed possible inconsistent state of table while executing `DROP` query for replicated table while zookeeper is not accessible. [#6045](https://github.com/yandex/ClickHouse/issues/6045)[#6413](https://github.com/yandex/ClickHouse/pull/6413) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov))
* Fix for data race in StorageMerge [#6717](https://github.com/yandex/ClickHouse/pull/6717)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix bug introduced in query profiler which leads to endless recv from socket. [#6386](https://github.com/yandex/ClickHouse/pull/6386)([alesapin](https://github.com/alesapin))
* Fix excessive CPU usage while executing `JSONExtractRaw` function over a boolean value. [#6208](https://github.com/yandex/ClickHouse/pull/6208)([Vitaly Baranov](https://github.com/vitlibar))
* Fixes the regression while pushing to materialized view. [#6415](https://github.com/yandex/ClickHouse/pull/6415)([Ivan](https://github.com/abyss7))
* Table function `url` had the vulnerability allowed the attacker to inject arbitrary HTTP headers in the request. This issue was found by [Nikita Tikhomirov](https://github.com/NSTikhomirov). [#6466](https://github.com/yandex/ClickHouse/pull/6466)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix useless `AST` check in Set index. [#6510](https://github.com/yandex/ClickHouse/issues/6510)[#6651](https://github.com/yandex/ClickHouse/pull/6651) ([Nikita Vasilev](https://github.com/nikvas0))
* Fixed parsing of `AggregateFunction` values embedded in query. [#6575](https://github.com/yandex/ClickHouse/issues/6575)[#6773](https://github.com/yandex/ClickHouse/pull/6773) ([Zhichang Yu](https://github.com/yuzhichang))
* Fixed wrong behaviour of `trim` functions family. [#6647](https://github.com/yandex/ClickHouse/pull/6647)([alexey-milovidov](https://github.com/alexey-milovidov))
## ClickHouse release 19.14.6.12, 2019-09-19
### Bug Fix
...
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@@ -49,15 +63,12 @@
* Fix `Key expression contains comparison between inconvertible types` exception in `bitmapContains` function. [#6136](https://github.com/yandex/ClickHouse/issues/6136)[#6146](https://github.com/yandex/ClickHouse/issues/6146) [#6156](https://github.com/yandex/ClickHouse/pull/6156)([dimarub2000](https://github.com/dimarub2000))
* Fix segfault with enabled `optimize_skip_unused_shards` and missing sharding key. [#6384](https://github.com/yandex/ClickHouse/pull/6384)([Anton Popov](https://github.com/CurtizJ))
* Fixed wrong code in mutations that may lead to memory corruption. Fixed segfault with read of address `0x14c0` that may happed due to concurrent `DROP TABLE` and `SELECT` from `system.parts` or `system.parts_columns`. Fixed race condition in preparation of mutation queries. Fixed deadlock caused by `OPTIMIZE` of Replicated tables and concurrent modification operations like ALTERs. [#6514](https://github.com/yandex/ClickHouse/pull/6514)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix bug introduced in query profiler which leads to endless recv from socket. [#6386](https://github.com/yandex/ClickHouse/pull/6386)([alesapin](https://github.com/alesapin))
* Removed extra verbose logging in MySQL interface [#6389](https://github.com/yandex/ClickHouse/pull/6389)([alexey-milovidov](https://github.com/alexey-milovidov))
* Return ability to parse boolean settings from 'true' and 'false' in configuration file. [#6278](https://github.com/yandex/ClickHouse/pull/6278)([alesapin](https://github.com/alesapin))
* Fix crash in `quantile` and `median` function over `Nullable(Decimal128)`. [#6378](https://github.com/yandex/ClickHouse/pull/6378)([Artem Zuikov](https://github.com/4ertus2))
* Fixed possible incomplete result returned by `SELECT` query with `WHERE` condition on primary key contained conversion to Float type. It was caused by incorrect checking of monotonicity in `toFloat` function. [#6248](https://github.com/yandex/ClickHouse/issues/6248)[#6374](https://github.com/yandex/ClickHouse/pull/6374) ([dimarub2000](https://github.com/dimarub2000))
* Check `max_expanded_ast_elements` setting for mutations. Clear mutations after `TRUNCATE TABLE`. [#6205](https://github.com/yandex/ClickHouse/pull/6205)([Winter Zhang](https://github.com/zhang2014))
* Fix excessive CPU usage while executing `JSONExtractRaw` function over a boolean value. [#6208](https://github.com/yandex/ClickHouse/pull/6208)([Vitaly Baranov](https://github.com/vitlibar))
* Fix JOIN results for key columns when used with `join_use_nulls`. Attach Nulls instead of columns defaults. [#6249](https://github.com/yandex/ClickHouse/pull/6249)([Artem Zuikov](https://github.com/4ertus2))
* Fix for data race in StorageMerge [#6717](https://github.com/yandex/ClickHouse/pull/6717)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix for skip indices with vertical merge and alter. Fix for `Bad size of marks file` exception. [#6594](https://github.com/yandex/ClickHouse/issues/6594)[#6713](https://github.com/yandex/ClickHouse/pull/6713) ([alesapin](https://github.com/alesapin))
* Fix rare crash in `ALTER MODIFY COLUMN` and vertical merge when one of merged/altered parts is empty (0 rows) [#6746](https://github.com/yandex/ClickHouse/issues/6746)[#6780](https://github.com/yandex/ClickHouse/pull/6780) ([alesapin](https://github.com/alesapin))
* Fixed bug in conversion of `LowCardinality` types in `AggregateFunctionFactory`. This fixes [#6257](https://github.com/yandex/ClickHouse/issues/6257). [#6281](https://github.com/yandex/ClickHouse/pull/6281)([Nikolai Kochetov](https://github.com/KochetovNicolai))
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@@ -74,17 +85,13 @@
* Allow to use not nullable types in JOINs with `join_use_nulls` enabled. [#6705](https://github.com/yandex/ClickHouse/pull/6705)([Artem Zuikov](https://github.com/4ertus2))
* Disable `Poco::AbstractConfiguration` substitutions in query in `clickhouse-client`. [#6706](https://github.com/yandex/ClickHouse/pull/6706)([alexey-milovidov](https://github.com/alexey-milovidov))
* Avoid deadlock in `REPLACE PARTITION`. [#6677](https://github.com/yandex/ClickHouse/pull/6677)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed parsing of `AggregateFunction` values embedded in query. [6575](https://github.com/yandex/ClickHouse/issues/6575)[#6773](https://github.com/yandex/ClickHouse/pull/6773) ([Zhichang Yu](https://github.com/yuzhichang))
* Using `arrayReduce` for constant arguments may lead to segfault. [#6242](https://github.com/yandex/ClickHouse/issues/6242)[#6326](https://github.com/yandex/ClickHouse/pull/6326) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix inconsistent parts which can appear if replica was restored after `DROP PARTITION`. [#6522](https://github.com/yandex/ClickHouse/issues/6522)[#6523](https://github.com/yandex/ClickHouse/pull/6523) ([tavplubix](https://github.com/tavplubix))
* Fixed hang in `JSONExtractRaw` function. [#6195](https://github.com/yandex/ClickHouse/issues/6195)[#6198](https://github.com/yandex/ClickHouse/pull/6198) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixes the regression while pushing to materialized view. [#6415](https://github.com/yandex/ClickHouse/pull/6415)([Ivan](https://github.com/abyss7))
* Fixed possible inconsistent state of table while executing `DROP` query for replicated table while zookeeper is not accessible. [#6045](https://github.com/yandex/ClickHouse/issues/6045)[#6413](https://github.com/yandex/ClickHouse/pull/6413) ([Nikita Mikhaylov](https://github.com/nikitamikhaylov))
* Fix bug with incorrect skip indices serialization and aggregation with adaptive granularity. [#6594](https://github.com/yandex/ClickHouse/issues/6594). [#6748](https://github.com/yandex/ClickHouse/pull/6748)([alesapin](https://github.com/alesapin))
* Fix `WITH ROLLUP` and `WITH CUBE` modifiers of `GROUP BY` with two-level aggregation. [#6225](https://github.com/yandex/ClickHouse/pull/6225)([Anton Popov](https://github.com/CurtizJ))
* Fix bug with writing secondary indices marks with adaptive granularity. [#6126](https://github.com/yandex/ClickHouse/pull/6126)([alesapin](https://github.com/alesapin))
* Fix initialization order while server startup. Since `StorageMergeTree::background_task_handle` is initialized in `startup()` the `MergeTreeBlockOutputStream::write()` may try to use it before initialization. Just check if it is initialized. [#6080](https://github.com/yandex/ClickHouse/pull/6080)([Ivan](https://github.com/abyss7))
* Fixed wrong behaviour of `trim` functions family. [#6647](https://github.com/yandex/ClickHouse/pull/6647)([alexey-milovidov](https://github.com/alexey-milovidov))
* Clearing the data buffer from the previous read operation that was completed with an error. [#6026](https://github.com/yandex/ClickHouse/pull/6026)([Nikolay](https://github.com/bopohaa))
* Fix bug with enabling adaptive granularity when creating new replica for Replicated*MergeTree table. [#6394](https://github.com/yandex/ClickHouse/issues/6394)[#6452](https://github.com/yandex/ClickHouse/pull/6452) ([alesapin](https://github.com/alesapin))
* Fixed possible crash during server startup in case of exception happened in `libunwind` during exception at access to uninitialised `ThreadStatus` structure. [#6456](https://github.com/yandex/ClickHouse/pull/6456)([Nikita Mikhaylov](https://github.com/nikitamikhaylov))
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@@ -98,11 +105,9 @@
* Fix reading in order of sorting key. [#6189](https://github.com/yandex/ClickHouse/pull/6189)([Anton Popov](https://github.com/CurtizJ))
* Fix `ALTER TABLE ... UPDATE` query for tables with `enable_mixed_granularity_parts=1`. [#6543](https://github.com/yandex/ClickHouse/pull/6543)([alesapin](https://github.com/alesapin))
* Fixed the case when server may close listening sockets but not shutdown and continue serving remaining queries. You may end up with two running clickhouse-server processes. Sometimes, the server may return an error `bad_function_call` for remaining queries. [#6231](https://github.com/yandex/ClickHouse/pull/6231)([alexey-milovidov](https://github.com/alexey-milovidov))
* Table function `url` had the vulnerability allowed the attacker to inject arbitrary HTTP headers in the request. This issue was found by [Nikita Tikhomirov](https://github.com/NSTikhomirov). [#6466](https://github.com/yandex/ClickHouse/pull/6466)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix bug opened by [#4405](https://github.com/yandex/ClickHouse/pull/4405)(since 19.4.0). Reproduces in queries to Distributed tables over MergeTree tables when we doesn't query any columns (`SELECT 1`). [#6236](https://github.com/yandex/ClickHouse/pull/6236)([alesapin](https://github.com/alesapin))
* Fixed overflow in integer division of signed type to unsigned type. The behaviour was exactly as in C or C++ language (integer promotion rules) that may be surprising. Please note that the overflow is still possible when dividing large signed number to large unsigned number or vice-versa (but that case is less usual). The issue existed in all server versions. [#6214](https://github.com/yandex/ClickHouse/issues/6214)[#6233](https://github.com/yandex/ClickHouse/pull/6233) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Limit maximum sleep time for throttling when `max_execution_speed` or `max_execution_speed_bytes` is set. Fixed false errors like `Estimated query execution time (inf seconds) is too long`. [#5547](https://github.com/yandex/ClickHouse/issues/5547)[#6232](https://github.com/yandex/ClickHouse/pull/6232) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix useless `AST` check in Set index. [#6510](https://github.com/yandex/ClickHouse/issues/6510)[#6651](https://github.com/yandex/ClickHouse/pull/6651) ([Nikita Vasilev](https://github.com/nikvas0))
* Fixed issues about using `MATERIALIZED` columns and aliases in `MaterializedView`. [#448](https://github.com/yandex/ClickHouse/issues/448)[#3484](https://github.com/yandex/ClickHouse/issues/3484) [#3450](https://github.com/yandex/ClickHouse/issues/3450)[#2878](https://github.com/yandex/ClickHouse/issues/2878) [#2285](https://github.com/yandex/ClickHouse/issues/2285)[#3796](https://github.com/yandex/ClickHouse/pull/3796) ([Amos Bird](https://github.com/amosbird)) [#6316](https://github.com/yandex/ClickHouse/pull/6316)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix `FormatFactory` behaviour for input streams which are not implemented as processor. [#6495](https://github.com/yandex/ClickHouse/pull/6495)([Nikolai Kochetov](https://github.com/KochetovNicolai))
