clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Read an opaque Variant alternative back from Arrow
- Add a setting to disable reading through the executable table function and Executable/ExecutablePool tables
- Support schema evolution in the non-kernel Delta Lake reader
- Only distribute an INSERT SELECT across replicas when the target table replicates
- Feat: Add `mode` aggregate function
- Unwrap `Nullable` before deciding the monotonicity of `toString`
- Do not cost a relation without a row estimate as a single row when reordering joins
- Make accurateCast reject text a Nullable target cannot represent
- Skip the granule probes of a text bloom-filter atom that cannot reject any granule
- Do not abort server startup when a table engine's named collection is missing
- Docs
- C++ not yet supported