v.25.10Improvement

Internal query planning improvement: use JoinStepLogical

Official CH changelog text
Internal query planning improvement: use JoinStepLogical for CROSS JOIN. #88151 (Vladimir Cherkasov).
Internal query planning improvement: use JoinStepLogical for CROSS JOIN.

Why it matters

This feature enhances the internal query planner by utilizing the JoinStepLogical component specifically for CROSS JOIN operations. It aims to improve the efficiency and logical handling of cross joins during query planning in ClickHouse.

How to use it

Users do not need to take any explicit action. The improvement is applied internally in the query planner to optimize CROSS JOIN processing automatically. Users will benefit from better query planning and potentially improved performance for queries involving CROSS JOIN.

Related resources

PreviousNext