clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Logical error: Block structure mismatch in A stream: different names of columns: (STID: 0993-2385)
- Logical error: Expected one block from input stream (STID: 4569-3618)
- Push LIMIT into aggregation-in-order for early termination
- Add setting join_runtime_filter_min_probe_rows
- Fix `NOT_FOUND_COLUMN_IN_BLOCK` in `query_plan_convert_join_to_in` with `arrayJoin` JOIN key
- Add test for reading invalid RMV during restore
- Install lldb in CI Docker images alongside gdb
- Fix `deltaSumTimestamp` returning wrong results for signed integer types crossing zero
- Fix Block structure mismatch on lazy_load_tables=1 during ALTER RENAME COLUMN (#104819)
- Eliminate redundant joins
- Docs
- C++ not yet supported