iajoiner commented on issue #3014:
URL: 
https://github.com/apache/arrow-datafusion/issues/3014#issuecomment-1204408123

   @alamb I'm already using wrappers on my side. The issue I currently have is 
that `self.inner.evaluate(batch)` evaluates all the children of the raw 
`PhysicalExpr` but none of the side effects for the children actually take 
place. So what happens right now is that I had to manually call `evaluate` for 
wrapped children, leading to evaluate being called way too many times for inner 
nodes.


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