clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Support for ALTER TABLE ... MODIFY PROJECTION with settings
- Set system limits for tracked_files_limit and tracked_file_ttl_sec - S3Queue table engine
- Add `merge_use_batch_sorting_queue` `MergeTree` setting for ordinary merges
- Direct `SELECT` can steal rows/messages from materialized view
- Fix `DateTime64` literals in distributed filter pushdown
- Add VectorQueryPlanCache feature
- Logical error: 'rows == block.rows()' (STID: 2508-316b)
- UDF Cache behavior
- Fix arrayPartialSort() with zero and negative limit
- Make row policies follow the table on RENAME, EXCHANGE and RENAME DATABASE
- Docs
- C++ not yet supported