clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Inconsistent representation of bool values
- Is it reasonable that `FilterTransform` terminates execution early when `constant_filter_description.always_false = true`
- Cannot insert DateTime with specified timezone into Dynamic column
- Race condition in test `01171_mv_select_insert_isolation_long.sh` and system.parts
- Support Null Safe Comparison
- Tune the value of `min_marks_for_concurrent_read` to get better performance
- Fix: max_execution_timeout_leaf with parallel replicas
- Function arrayDistinct could not process null elements in array
- `Distributed` tables always write data directly to local filesystem ignoring actual disk type
- Change in `arrayJoin` and `ROW_NUMBER` behaviour
- Docs
- C++ not yet supported