clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix wrong primary-key pruning for `toStartOfDay` and relative-number functions on out-of-range `Date32`
- validate discriminators in Variant binary bulk deserialization
- Add monotonic `toStartOf*Extended`, `toLastDayOf*Extended`, `toMondayExtended`, and `toRelative*NumExtended` datetime functions for primary key and partition expressions
- Fix flaky test_circular_dependencies_survive_restart (max_t not unique)
- Add test: Ignored/foreign members in a Feature, geometry object, and after the `features` array are accepted but untested
- Make the "Inconsistent KeyCondition behavior" logical error actionable
- Fix dictGetAll documentation
- Add explicit DB::NsyncSharedMutex and use it for KeeperLogStore changelog locking
- Add ProfileEvents to observe distributed query plan execution
- Fix flaky hang in ThreadPool.GlobalFull1/GlobalFull2 unit tests
- Docs
- C++ not yet supported