clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Backport #112327 to 26.3: Fix use-after-free on a sparse join key in a direct dictionary join
- Backport #112327 to 26.5: Fix use-after-free on a sparse join key in a direct dictionary join
- Backport #112327 to 26.6: Fix use-after-free on a sparse join key in a direct dictionary join
- Fix TopK filtering dropping NULL and NaN rows from the answer
- Convert OUTER join to INNER join by null-rejecting join conditions
- Incremental RMV presist cursor in Iceberg snapshot
- Extract reusable `ActionsDAG` lineage computation into `actionsDAGUtils`
- Do not mark granule empty when rows are removed from a chunk
- Persist allow_archive_path_syntax in storage metadata
- extractGroups cannot distinguish a non-participating capture group from one that matched empty
- Docs
- C++ not yet supported