clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Docs: rename ClickHouse Agents and retire Agentic Data Stack
- Fix skip indexes and keys declared on `s = ''` not being used since the rewrite to `empty(s)`
- Fix a `mapValues` text index dropping rows without the key for `hasAnyTokens`, `hasAllTokens` and `hasPhrase`
- Read no column for an unused subquery projection
- Add system.filelog_files with the read state of each FileLog file
- Add filesystem cache efficiency metrics: active, passive and idle bytes
- Remove a rolled back transaction's parts from the active set even when their version metadata cannot be written
- Quantized Vector Search Rescoring Optimization
- Keeper log s3
- Simplified partition mutations
- Docs
- C++ not yet supported