clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix lazy FINAL with SAMPLE
- Invalid date inside a `Tuple`-typed partition column still drops a partition
- `DROP PARTITION ''` on a `DateTime64` key drops the 1970-01-01 partition
- --login Basic client auth not form-encoded, Keycloak rejects + in secret
- NaN in Float RANGE-offset ORDER BY key corrupts window frames
- Make PromQL avg match Prometheus exactly
- Add a performance test for PromQL rate and sum of rate range queries
- Native `JSON`: shared-data path repeating a dynamic path throws `LOGICAL_ERROR`
- Keep the samples of timeSeriesRate/Increase/DeltaToGrid in one sorted buffer
- `TimeSeries` dedup cache keeps a stale entry after a failed multi-block insert
- Docs
- C++ not yet supported