clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add tests for compareTrackAt coverage in partial_merge join (PR #99013)
- Add test for compact MergeTree deduplication with multiple distinct codecs (PR #97522)
- Properly startup cache disks
- Backport #99584 to 26.2: Forbid reading google credentials from local file
- Persistent physical column names for instant RENAME/DROP
- Add test for SAMPLE + WHERE in distributed index analysis (coverage for PR #98931)
- Refuse to materialize columns used in sort key expressions
- Fix `\N` (NULL) deserialization for Variant type in Escaped/Raw text formats
- Fix dangling reference in injectRequiredColumns causing crash during merge
- feat: support `system.connections` table for client connections metadata
- Docs
- C++ not yet supported