clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Build the primary key range layer filters without the expression analyzer
- Replace per-table FileLog watch threads with a single shared reactor
- Support `WHERE` clause in data skipping indexes
- S3Queue: allow altering tracked_files_limit in ordered mode and fix exclusive-mode failure terminality
- S3Queue: clear stale .retriable marker on terminal failure and skip terminalization while processing
- Check for cancellation in the fused `ARRAY JOIN` element filter
- Make test `02516_projections_with_rollup` faster
- Do not list the directories of an Azure account with a hierarchical namespace as files
- Fill right key columns of a LEFT JOIN in 64-row chunks when the rows agree
- Fix input_format_tsv_crlf_end_of_line for the TSVRaw formats
- Docs
- C++ not yet supported