clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Merge expressions into join during join reordering
- Add grant_scope enum to system.grants (#92835)
- Is it possible to re-calculate a materialized column when an AggregatingMergeTree table merges parts?
- Optimize TRUNCATE DATABASE TABLES LIKE by pre-cancelling merges in parallel
- Add a setting that makes ClickHouse compatible with the SQL standard
- Use Rust nightly-2026-03-22
- Implement fused TopNAggregation operator for GROUP BY ... ORDER BY aggregate LIMIT K
- [Draft] Add distroless Docker image variant for server and keeper
- Reproducing a race condition when truncating and optimizing the table in a transaction
- Assertion `tables_from.size() == 1' failed (STID: 3720-4306)
- Docs
- C++ not yet supported