clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Backport #113089 to 26.3: A dummy PR to backport
- Reject overlapping PromQL on and grouping labels
- Harden ReadBufferFromFileView and ReadBufferFromMemory
- Use chDB docs as a Mintlify multi-repo source
- Preserve 64-bit row counts in PostgreSQL CommandComplete
- `OPTIMIZE ... DRY RUN` takes no merge guard and collides with a concurrent merge on the same temporary directory: `Temporary part tmp_merge_all_1_1_1 already added`
- Inlined ALIAS body adds constants to the shipped WITH FILL header; parallel replicas throw
- Do not throw a logical error when an ephemeral node is held by someone else
- `Cluster` database engine
- A `ddl_mode` setting for the `Remote` and `Cluster` database engines
- Docs
- C++ not yet supported