clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Introduce column source ids and split query tree comparison into local and global
- Revert "Fix S3 settings configuration priorities"
- Port LLVM-libc memory functions into libllvmlibc
- Parallelize listing of globbed `s3` table function paths
- Support output Hive text format
- Add ALTER TABLE ... MODIFY ENGINE to change a MergeTree-family table's engine
- Fix logical error in KeyCondition for pointInPolygon with a wrapped constant polygon
- check_ci: add PR auto-detection, --ci-only and --yes
- Support `IS DISTINCT FROM` / `IS NOT DISTINCT FROM` in the `SOME`/`ALL` array quantifier
- Improve `text` index pruning for multi-block postings
- Docs
- C++ not yet supported