clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Field::restoreFromDump: read the UUID/IPv4/IPv6 dumps Field::dump writes; prefix-check other dumps
- clickhouse local: respect --logger.level and stop progress packets from starving the result pull
- JSONObjectEachRow: reject data after the closing brace regardless of max_block_size
- Quote a dictionary setting name that is not an identifier
- Dynamic filter pushdown for PromQL group_left binary operations
- Fix reading SQLite tables whose identifiers contain a double quote or a backslash
- Search a constant map without copying its keys for every row
- Fix accurateCastOrNull and CAST to Nullable for a FixedString source
- Optimize PromQL range queries: fused metric drop and subquery elimination
- Fix(PromQL): Prometheus query API status for execution errors
- Docs
- C++ not yet supported