v.20.4Improvement

Better memory usage in CROSS JOIN

Better memory usage in CROSS JOIN. #10029 (Artem Zuikov)
Improved memory efficiency when performing CROSS JOIN operations in ClickHouse.

Why it matters

This feature optimizes the memory consumption during CROSS JOIN queries, reducing resource usage and improving performance, especially for large datasets where cross joins can be very memory-intensive.

How to use it

Users can benefit from this improvement automatically when executing CROSS JOIN queries; no additional configuration or syntax changes are required.