clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix `query_plan_optimize_lazy_final` on a table with patch parts or with a column named `_part_offset`
- Support query condition cache without table uuid
- Feat(H3): Add h3CellToPolygon function
- Fix(Replication): Include table name in missing part errors
- Fix(Formats): Preserve column diagnostics without trailing newline
- Fix(DateTime): Reject non-digit fixed-width parseDateTime fields
- Fix the global memory tracker going negative after a refused allocation over `max_server_memory_usage`
- `mayFixColumn` ignores single-element `IN`: parallel replicas `LOGICAL_ERROR`
- Type-only MODIFY COLUMN on EPHEMERAL column keeps stale default until reload
- MODIFY COLUMN ... NULL EPHEMERAL default changes after DETACH/ATTACH
- Docs
- C++ not yet supported