clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Reduce peak memory during JSON advanced shared data merges
- Support COMPRESSION next to bare FORMAT on INSERT
- Migration: point AWS BYOC onboarding Terraform at GitHub module
- Bloom filter skip index is not used for `arrayJoin(col) IN (...)`, unlike equivalent `hasAny(col, ...)`
- set missing coordination component in system.detached_parts size calculation
- Logical error: Bad cast from type A to B (STID: 3721-3e7a)
- Use bloom filter skip index for arrayJoin(col) IN (set) and arrayJoin(col) = const
- Fix text index direct read with patch parts (lightweight updates)
- Fix `optimize_move_to_prewhere` moving non-deterministic functions to PREWHERE under FINAL
- feat(keeper-bench): Add service-registry saturation scenarios to keeper stress tests
- Docs
- C++ not yet supported