clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Store BM25 scoring data in text indexes with `scoring = 'bm25'`
- Run the Darwin fast test within a time budget set by the macOS runner queue
- Fix wrong values and a crash when a stored column is named like a split PREWHERE expression
- Make `removeTasksCorrespondingToStorage` wait for tasks the executor shutdown drain is still destroying
- Do not take a column named like an expression for that expression in filters, mutations and defaults
- darwin fast test: grow the Mac runner fleet from 10 to 21 and fix runner disk and logging
- 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
- Docs
- C++ not yet supported