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Changelog for 19.4.0 and 19.3

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Alexey Milovidov 2019-03-15 23:15:56 +03:00
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* 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))
* Modified links that have expired in the tutorial ... [#4545](https://github.com/yandex/ClickHouse/pull/4545) ([MeiK](https://github.com/MeiK-h))
* Disable compile_expressions by default until we get own `llvm` contrib and can test it with `clang` and `asan`. [#4579](https://github.com/yandex/ClickHouse/pull/4579) ([alesapin](https://github.com/alesapin))
* Prevent `std::terminate` when `invalidate_query` for `clickhouse` external dictionary source has returned wrong resultset (empty or more than one row or more than one column). Fixed issue when the `invalidate_query` was performed every five seconds regardless to the `lifetime`. This PR fixes #4580 and #4581. [#4583](https://github.com/yandex/ClickHouse/pull/4583) ([alexey-milovidov](https://github.com/alexey-milovidov))
* CROSS JOIN with empty WHERE ... [#4598](https://github.com/yandex/ClickHouse/pull/4598) ([Artem Zuikov](https://github.com/4ertus2))
* Avoid deadlock when the `invalidate_query` for a dictionary with `clickhouse` source was involving `system.dictionaries` table or `Dictionaries` database (rare case). This PR also fixes #4597. [#4599](https://github.com/yandex/ClickHouse/pull/4599) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Prevent `std::terminate` when `invalidate_query` for `clickhouse` external dictionary source has returned wrong resultset (empty or more than one row or more than one column). Fixed issue when the `invalidate_query` was performed every five seconds regardless to the `lifetime`. [#4583](https://github.com/yandex/ClickHouse/pull/4583) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Avoid deadlock when the `invalidate_query` for a dictionary with `clickhouse` source was involving `system.dictionaries` table or `Dictionaries` database (rare case). [#4599](https://github.com/yandex/ClickHouse/pull/4599) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixes for CROSS JOIN with empty WHERE [#4598](https://github.com/yandex/ClickHouse/pull/4598) ([Artem Zuikov](https://github.com/4ertus2))
* Fixed segfault in function "replicate" when constant argument is passed. [#4603](https://github.com/yandex/ClickHouse/pull/4603) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix lambda function with predicate optimizer. [#4408](https://github.com/yandex/ClickHouse/pull/4408) ([Winter Zhang](https://github.com/zhang2014))
* Multiple JOINs multiple fixes. [#4595](https://github.com/yandex/ClickHouse/pull/4595) ([Artem Zuikov](https://github.com/4ertus2))
### Build/Testing/Packaging Improvement
* Fix wrong `__asm__` instructions (again) [#4621](https://github.com/yandex/ClickHouse/pull/4621) ([Konstantin Podshumok](https://github.com/podshumok))
* Add ability to specify settings for `clickhouse-performance-test` from CLI. [#4437](https://github.com/yandex/ClickHouse/pull/4437) ([alesapin](https://github.com/alesapin))
* Add dictionaries tests to integration tests. [#4477](https://github.com/yandex/ClickHouse/pull/4477) ([alesapin](https://github.com/alesapin))
* `xxhash.h` does not exist in external lz4 because it is an implementation detail and its symbols are namespaced with `XXH_NAMESPACE` macro. When lz4 is external, xxHash has to be external too, and the dependents have to link to it. [#4495](https://github.com/yandex/ClickHouse/pull/4495) ([Orivej Desh](https://github.com/orivej))
* Added queries from the benchmark on the website to automated performance tests. [#4496](https://github.com/yandex/ClickHouse/pull/4496) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed a case when `quantileTiming` aggregate function can be called with negative or floating point argument (this fixes fuzz test with undefined behaviour sanitizer). [#4506](https://github.com/yandex/ClickHouse/pull/4506) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Added support for clang-9 [#4604](https://github.com/yandex/ClickHouse/pull/4604) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix wrong `__asm__` instructions (again) [#4621](https://github.com/yandex/ClickHouse/pull/4621) ([Konstantin Podshumok](https://github.com/podshumok))
* Add ability to specify settings for `clickhouse-performance-test` from command line. [#4437](https://github.com/yandex/ClickHouse/pull/4437) ([alesapin](https://github.com/alesapin))
* Add dictionaries tests to integration tests. [#4477](https://github.com/yandex/ClickHouse/pull/4477) ([alesapin](https://github.com/alesapin))
* Added queries from the benchmark on the website to automated performance tests. [#4496](https://github.com/yandex/ClickHouse/pull/4496) ([alexey-milovidov](https://github.com/alexey-milovidov))
* `xxhash.h` does not exist in external lz4 because it is an implementation detail and its symbols are namespaced with `XXH_NAMESPACE` macro. When lz4 is external, xxHash has to be external too, and the dependents have to link to it. [#4495](https://github.com/yandex/ClickHouse/pull/4495) ([Orivej Desh](https://github.com/orivej))
* Fixed a case when `quantileTiming` aggregate function can be called with negative or floating point argument (this fixes fuzz test with undefined behaviour sanitizer). [#4506](https://github.com/yandex/ClickHouse/pull/4506) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Spelling error correction. [#4531](https://github.com/yandex/ClickHouse/pull/4531) ([sdk2](https://github.com/sdk2))
* Fix compilation on Mac. [#4371](https://github.com/yandex/ClickHouse/pull/4371) ([Vitaly Baranov](https://github.com/vitlibar))
* Build fixes for FreeBSD and various unusual build configurations. [#4444](https://github.com/yandex/ClickHouse/pull/4444) ([proller](https://github.com/proller))