clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Backport #104120 to 26.4: More obvious fix for catalogs with azure
- RFC: Vector Search Improvements and vector similarity index 2.0
- Override getAllTableNames() in DatabaseDataLake to avoid heavyweight …
- Logical error: Not-ready Set is passed as the second argument for function 'A (STID: 0250-4409)
- `optimize_read_in_order=1` coule be much slower than normal query。
- Performance regression in Iceberg manifest reading: exception hot-loop, eager log serialization, and std::filesystem::path in resolve()
- Fix column order in DirectJoinMergeTreeEntity::getByKeys
- Fix SQLite WHERE predicate pushdown for strings with special characters
- Refuse QueryConditionCache writes from contexts with relaxed/experimental settings
- Add test: `parseWKTMultiPolygon` and the `MULTIPOLYGON` WKT dispatch in `ArrowGeoTypes.cpp` have zero test coverage
- Docs
- C++ not yet supported