clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add decoded text index posting blocks of consecutive row ids to the bitmap as one range
- FileLog: required improvements for tailing rotated log files
- Account initial query contexts in MySQL, PostgreSQL, gRPC and Flight
- Support incremental rmv with DeltaLake
- Fix min-max indexes skipping rows of JSON columns with a declared Bool path
- perf(insert): Skip `AggregatingSortedAlgorithm` when an insert block has unique sorting keys.
- Fix Alias target schema leak via MySQL COM_FIELD_LIST
- perf(promql): Parallelize flushing samples and recentsamples tables on insert.
- Text index: search a LIKE/ILIKE phrase by one of its words
- Do not lose the part when a non-transactional DETACH fails to copy it to `detached/`
- Docs
- C++ not yet supported