clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- BM25 scoring for text index (basics)
- Fix a lost row when a signed-zero constant is pushed through a transformed sorting key
- Do not JIT-compile `__bitSwapLastTwo` for argument types it rejects
- Fix a column silently lost by a combined DROP COLUMN IF EXISTS and ADD COLUMN IF NOT EXISTS
- Fix DeltaLake snapshot load hanging forever and blocking KILL QUERY
- Limit the number of capturing groups in `extractGroups`
- Fix a wrong result and a rejected query in the `AND` comparison-chain optimization
- Require SHOW COLUMNS to read DDL columns in system.tables
- Authorize a restored view's external targets
- Spatial pruning is given up in cases the predicates accept at runtime (`Geometry`/`Variant`/`Dynamic`, invalid or empty constant geometries)
- Docs
- C++ not yet supported