clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix null-pointer dereference in canSkipConversionToNullable during mutation
- Add diagnostic bounds asserts in threadpool remote-fs metadata read path (#104692)
- Use ipnsort (unstable) and driftsort (stable) for general-purpose sorting
- Add per-part type narrowing for Dynamic columns and partition-aware JSON schema hints
- Fix LOGICAL_ERROR Virtual row boundary violated under read-in-order over Union
- Retry transient Confluent Schema Registry failures
- Skip granules consumed by OFFSET when reading in order
- ARM performance regression: `cpu_synthetic` query `12`
- ARM performance regression: `date_time_64` query `16` is slower
- ARM performance regression: `date_time_64` query `17` is slower
- Docs
- C++ not yet supported