clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add test: `ColumnDecimal::compareTrackAt` res > 0 tracking branch untested in merge join
- Add test for aggregation in order mismatch scenario
- Segmentation fault (STID: 3440-3393)
- LIMIT N BY <col> doesn't propagate to MergeTreeSelect — full-window scan even when table is sorted by (col, ...)
- Fix build without AWS S3 support
- Fix SIGSEGV when reading Dynamic subcolumns from compressed Memory table after ALTER
- Add native SPARQL 1.1 SELECT to SQL translator as sparql() table function
- Fix NOT_FOUND_COLUMN_IN_BLOCK when combining WITH FILL INTERPOLATE and LIMIT BY
- disable obselete settings warning in clickhouse cloud
- Fix L2Distance() return value in vector search query executed with index only optimization
- Docs
- C++ not yet supported