clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix LOGICAL_ERROR when reading column-mapped Delta Lake table
- Accept signed PromQL @ timestamps
- Fix header column order after the no-rescoring vector search rewrite
- Parquet v3 reader: a corrupt offset index aborts the server (LOGICAL_ERROR)
- S3 multipart complete: a NoSuchUpload is rewritten to success on key existence alone, silently losing an acknowledged fixed-key INSERT
- Add the `Cluster` database engine
- Unkillable synchronous DROP of a table with inner tables: the inner drop waits in `waitTableFinallyDropped` without a process-list element (stress hung check: `DROP TABLE prometheus`)
- Declare runningConcurrency non-deterministic to fix wrong results
- Allow to create table without providing credentials if catalog specified
- Docs: Improve glossary browsing and ClickHouse terminology
- Docs
- C++ not yet supported