clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Support additional KLL and REQ quantile algorithms
- Add function arrayElementOrDefault
- Wrong result for `hasToken` via exact direct read from a text index whose tokenizer differs from `splitByNonAlpha`
- Add quantileKLL aggregate function
- Add quantileREQ quantile function
- Support bracket syntax `json['key']` for JSON type
- Do not install standalone symlinks for multi-call-only subcommands
- Reject out-of-range time-of-day values when exporting Time/Time64 to Arrow
- Datalake rest catalog profile events
- Do not leak a correlated subquery's `TOTALS` into the outer query
- Docs
- C++ not yet supported