clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- TimeSeries: Rename inner column `metric_family_name` to `metric_family`
- Add pin on `make_distributed_plan` tests to disable fallback on local execution
- Reordering and reassociation of conjuncts can change JOIN estimation
- Create the ReplicatedMergeTree restarting thread's task deactivated
- Planner: honor use_query_cache contributed via a nested SETTINGS profile
- Add integration tests for wide-row parquet memory over s3()
- Revert "Revert "Carry the mutation version onto a rewritten lightweight `DELETE`""
- Keep an `ARRAY JOIN` filter out of a `Merge` child query
- Perf(PromQL): Cache PromQL range response timestamps
- Perf(Analyzer): Use String size subcolumn for byteSize
- Docs
- C++ not yet supported