clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- [RFC] [Feature Request] Sticky partition-to-shard assignment for Kafka pull ingestion
- validate array sizes in analysisOfVariance and lttb aggregate states
- [RFC] TTL CLEAR INDEX for MergeTree parts
- Add `hasAnyPhrases`/`hasAllPhrases` and coalesce `hasPhrase` OR/AND chains
- Duplicate-ALIAS projection disambiguation from #106404 is incomplete and needs reconciliation (remote()/Distributed, ARRAY JOIN, nested aliases, parallel replicas)
- feat(kafka): sticky partition-to-shard pull ingestion (shard_sticky mode)
- Avoid `Field` in MergeTree index analysis hot path; compare native typed values instead
- Fix BigLake Iceberg table creation inside DataLakeCatalog
- Add per-user filesystem cache disk usage metrics
- Make monotnicity checks but only in debug/asan builds.
- Docs
- C++ not yet supported