clickhouse
https://github.com/clickhouse/clickhouse
C++
ClickHouse is a free analytics DBMS for big data
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Help out
- Issues
- Fix bugfix validation failing due to git ownership check in Docker
- Backport #96878 to 25.8: Fix exception in window functions with group_by_use_nulls and CUBE/ROLLUP
- Fix is_inner_table logic and allow LowCardinality in external TimeSeries tables
- Add comprehensive PromQL-to-SQL converter functions
- Implement INSERT support for TimeSeries table engine
- Implement SELECT support for TimeSeries engine
- Add DoubleDeltaVarInt compression codec for time-series timestamps
- Implement Prometheus /api/v1/series, /labels, /label/values endpoints
- Allow specifying server configuration in the command line without prepending the `` -- `` separator
- Add detached execution for non-readonly queries
- Docs
- C++ not yet supported