v.19.1Improvements

Removed Some Redundant Objects from Compiled Expressions Cache to Lower Memory Usage

Removed some redundant objects from compiled expressions cache to lower memory usage. #4042 (alesapin)
Removed redundant objects from the compiled expressions cache to reduce memory usage.

Why it matters

This improvement lowers the memory consumption of ClickHouse by eliminating unnecessary cached objects from the compiled expressions cache. It helps optimize resource usage and improves overall system efficiency.

How to use it

This optimization is applied internally in ClickHouse and does not require any user intervention or configuration changes.