clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- `ActionsDAG` nodes should contain only `ColumnConst` or `ColumnSet` as column
- This is a first step to praktika package
- Backport #90304 to 25.11: Disable read-in-order optimization for Iceberg if manifest files are not sorted
- Whether Aws::S3::S3Errors::INVALID_ACCESS_KEY_ID can be not an S3 unretryable_errors
- Open Policy Agent support
- GROUPING function argument `x` is not in GROUP BY keys when `x` is a constant value
- Does ClickHouse 25.10 fully support filtering by multiple projections?
- s3Cluster table function: Performance regression after upgrading from 23.8 to 25.10
- Iceberg: Selecting from ARRAY column with dot-separated name returns empty lists
- RFC: Enable NuRaft Streaming Mode in ClickHouse Keeper
- Docs
- C++ not yet supported