clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix fuzzer grouping by use nulls error
- Fix flaky test test_mask_sensitive_info: expect DeltaLake errors
- lookup table by name not uuid that can be stale
- Fix sort order violation in SummingMergeTree merge with Float32 hash keys
- [WIP] perf(ts-engine): Add forwards-compatible metric_locality_id.
- Prototype: Remote Reading Manager for MergeTree S3 prefetch
- Introduce NumberLiteral Field type for precision-preserving numeric literals
- Add projection merge introspection to system.merges
- Added a prettyPrintJSON function
- `mutate` passes non-Parquet `write_format` to `writeDataFiles` without validation, causing LOGICAL_ERROR (ORC) or SIGABRT crash (Avro)
- Docs
- C++ not yet supported