clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Add system tables for direct querying of Keeper's state
- Use distributed index analysis to load and search vector index segments on replicas
- point_in_polygon_3d_huge_multipolygon is broken
- Backport #93827 to 25.11: Fix rebuilding of projections with _part_offset during merge
- Backport #93827 to 25.12: Fix rebuilding of projections with _part_offset during merge
- Fix check access performance with `throw_if_denied=false`
- JSON-Schema validation
- Invalid mutex in StorageMergeTree::scheduleDataProcessingJob
- Logical error: 'Invalid number of rows in Chunk FixedString(size = 2) column FixedString(5) at position 0: expected 1, got 2' with Parquet file
- Refreshable materialized view run on single replica only
- Docs
- C++ not yet supported