clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Add system.s3(azure)_queue_metadata
- Throw TOO_LARGE_STRING_SIZE instead of aborting on a corrupt String size stream
- Fix sort order violation for TTL GROUP BY with SET on a sorting key column
- Improve canceling queries in DistinctTransform
- Limit concurrent bcrypt authentications to bound CPU under auth floods
- 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
- Docs
- C++ not yet supported