clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix force_index_by_date/force_primary_key INDEX_NOT_USED reading through a view with parallel replicas (serialize_query_plan = 0 stopgap)
- Implement serde for `WindowStep` and support it for `makeDistributed`
- Implement serde for `FillingStep` and support it for `makeDistributed`
- Implement serde for `RollupStep/CubeStep` and support them for `makeDistributed`
- Implement serde for `IntersectOrExceptStep` and support it for `makeDistributed`
- Support `WITH TOTALS` for `makeDistributed`
- `make_distributed_plan` fails on full-text search queries when direct read from text index is enabled
- Implement COMPRESSION modifier for FORMAT
- Add database settings to limit the number of tables and their sizes in bytes or rows.
- Allow to erase source of MATERIALIZED key column
- Docs
- C++ not yet supported