clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Added a setting `text_index_version` for better forward compatibility
- Aggregate-aware JOIN planning (GroupJoin) for JOIN followed by GROUP BY
- Add ability to exclude tables from ClickHouse backup via a table setting
- Reject truncated/incomplete AI text function responses
- Fix stale rows in a normal projection after lightweight DELETE in rebuild mode
- Do not record handled exceptions in system error tables
- Query plan serialization v4: framed outline format with rolling upgrade support
- Fix correlated scalar count()/uniqExact() returning NULL instead of 0 for an empty group
- Support constant labels for the Prometheus metrics endpoint
- docs(formats): document JSONEachRowWithProgress stream object kinds
- Docs
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