clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- ReaderExecutor: pipeline-based read orchestration
- Iceberg: parallelize manifest file loading to fix 3s cold-cache bottl…
- Add EXPLAIN GRANT / EXPLAIN REVOKE
- Aggregate function combinators: TOTALS and BY
- Push equi-key filter into the left input of RIGHT JOIN for cross-type USING keys
- `UNIQUE KEY` for ClickHouse
- Partition pruning fix with date transforms
- Add `optimize_trivial_group_by_count_query` optimization
- Fix for #101423 GRANT SELECT(column) does not give access to its subcolumns
- Validate Azure Blob Storage upload settings early
- Docs
- C++ not yet supported