clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix accurateCastOrNull and CAST to Nullable for a FixedString source
- Optimize PromQL range queries: fused metric drop and subquery elimination
- Fix(PromQL): Prometheus query API status for execution errors
- Scan the stress run's own logs when the post-stress restart fails
- Feat(PromQL): expose ClickHouse query statistics
- Implement in-memory active series working-set cache in TimeSeriesSink
- Persist the refresh schedule of a non-coordinated refreshable materialized view
- View inlining drops ALIAS columns, causing wrong results or UNKNOWN_IDENTIFIER
- MODIFY COLUMN in same ALTER can leave un-insertable default/type mismatch
- New stddev/stdvar integration cases pass unchanged without the fix
- Docs
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