clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix restoring a Field dump of a nested or quoted container
- Fix(Math): proportionsZTest for zero successes
- Saturate an Iceberg decimal bound that cannot be widened inside its type
- Fix materialized-CTE gate torn down by an always-false `ignore` filter in lightweight mutations
- Stop S3 disk reads from holding a connection per idle stream above the soft limit
- `toDateTime32` and `CAST` to `DateTime` bypass the `KeyCondition` overflow guard: wrong results from primary-key pruning on `Date`/`Date32` keys crossing 2106
- Persisted `timeSeriesData` table unreadable: LOGICAL_ERROR on every read
- Persisted `loop(db, t)` table pins its source: `DROP TABLE t SYNC` never returns
- Preserve the previous cluster incarnation's `docker.log` when an integration fixture restarts
- Fix wrong results from a text index whose preprocessor is not substring-safe
- Docs
- C++ not yet supported