clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- More fuzzing features
- Add pcodec (PCO) compression codec
- Recognize internal `_CAST` in KeyCondition trivial-cast stripping
- Support EXTRACT(TIMEZONE_HOUR/MINUTE ...) and EXTRACT(... FROM INTERVAL ...)
- Support iceberg v2
- Remove `library` dictionary source
- MergeTree bulk ingest temporarily uses 2–3x disk space during background merges — is there any way to reduce or avoid this overhead?
- Backport #106109 to 26.3: Fix DeltaLake delta-kernel-rs FFI server crash and builder leak
- Fix clang 23 -Wlifetime-safety errors
- Push down volume-reducing functions in query plan
- Docs
- C++ not yet supported