clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Model IPv4/IPv6 as their substituted integer in plus/minus/multiply monotonicity
- Fix intDiv and intDivOrNull on the smallest positive float
- Write per-file statistics into Iceberg manifest entries on INSERT
- Add `matchToken` function with text index support
- Keep an S3Queue file retryable after losing the race for its `processing` node
- Fix `deriv` to scale its slope by the timestamp tick resolution
- Fix JOIN with a Join-engine table whose key type is narrower than the left key
- Forbid lazy JSON type-hint ALTER that would corrupt primary key or index
- Supporting lazily replicated arrays on arrayElement and arraySlice (reduces memory usage and improves performance)
- Implement PromQL functions max_over_time() and min_over_time()
- Docs
- C++ not yet supported