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Changelog for 19.4.0 and 19.3

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Alexey Milovidov 2019-03-15 23:12:07 +03:00
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### Bug Fixes
* Fixed bug in data skipping indices: order of granules after INSERT was incorrect. [#4407](https://github.com/yandex/ClickHouse/pull/4407) ([Nikita Vasilev](https://github.com/nikvas0))
* Set update_time on full executable dictionary update. [#4551](https://github.com/yandex/ClickHouse/pull/4551) ([Tema Novikov](https://github.com/temoon))
* Correctly set update_time on full `executable` dictionary update. [#4551](https://github.com/yandex/ClickHouse/pull/4551) ([Tema Novikov](https://github.com/temoon))
* Fixed inconsistent values of MemoryTracker when memory region was shrinked, in certain cases. [#4619](https://github.com/yandex/ClickHouse/pull/4619) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed undefined behaviour in ThreadPool [#4612](https://github.com/yandex/ClickHouse/pull/4612) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed a very rare crash with the message `mutex lock failed: Invalid argument` that could happen when a MergeTree table was dropped concurrently with a SELECT. [#4608](https://github.com/yandex/ClickHouse/pull/4608) ([Alex Zatelepin](https://github.com/ztlpn))
* ODBC driver compatibility with `LowCardinality` data type [#4381](https://github.com/yandex/ClickHouse/pull/4381) ([proller](https://github.com/proller))
* FreeBSD: Fixup for "AIOcontextPool: Found io_event with unknown id 0" error (patch by urgordeadbeef) [#4438](https://github.com/yandex/ClickHouse/pull/4438) ([proller](https://github.com/proller))
* `system.part_log` was used unconditionally. [#4483](https://github.com/yandex/ClickHouse/pull/4483) ([alexey-milovidov](https://github.com/alexey-milovidov))
* When there are more than 1000 threads in a thread pool, `std::terminate` may happen on thread exit. The bug and the fix is described by [Azat Khuzhin](https://github.com/azat) in PR #4485. [#4505](https://github.com/yandex/ClickHouse/pull/4505) ([alexey-milovidov](https://github.com/alexey-milovidov))
* FreeBSD: Fixup for "AIOcontextPool: Found io_event with unknown id 0" error [#4438](https://github.com/yandex/ClickHouse/pull/4438) ([urgordeadbeef](https://github.com/urgordeadbeef))
* `system.part_log` table was created regardless to configuration. [#4483](https://github.com/yandex/ClickHouse/pull/4483) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix undefined behaviour in `dictIsIn` function for cache dictionaries. [#4515](https://github.com/yandex/ClickHouse/pull/4515) ([alesapin](https://github.com/alesapin))
* Fix broken progress bar in 19.3 [#4627](https://github.com/yandex/ClickHouse/pull/4627) ([filimonov](https://github.com/filimonov))
* Fixed a deadlock when a SELECT query locks the same table multiple times (e.g. from different threads or when executing multiple subqueries) and there is a concurrent DDL query. Fixes #4316 [#4535](https://github.com/yandex/ClickHouse/pull/4535) ([Alex Zatelepin](https://github.com/ztlpn))