clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Fix DeltaLake decimal partition values being written without scale and read back wrong
- Reject AST shapes the parser cannot produce in the AST JSON format
- Fix stale forwarded background action locks
- Release pull request for branch 26.9
- Expose Iceberg manifest statistics to the query optimizer
- Iceberg `uuid` bounds decoded raw: min/max pruning drops rows that exist
- Fragment clone unguarded against `DelayedCreatingSetsStep`: NOT_IMPLEMENTED on JOIN+IN
- Shippable-set check is one level deep: a nested `IN` set escapes it and breaks serialization
- `Build profile diff` fails fleet-wide with `No connection to LogCluster`
- Try to drain a socket and return it to pool instead of closing
- Docs
- C++ not yet supported