alamb commented on PR #3903:
URL: 
https://github.com/apache/arrow-datafusion/pull/3903#issuecomment-1294986422

   > I'm OK to merge the PR. But we might need a following PR to add a new rule 
to simply expressions before translate the logic Filter to physical FilterExec.
   
   I double checked @mingmwang 
   
   This code is called as part of `FilterPushdown`
   
   
https://github.com/apache/arrow-datafusion/blob/318b4ad56c826b317b0201f7031a47609ad215b5/datafusion/optimizer/src/optimizer.rs#L174
   
   And then simplification is then called 
   
   
https://github.com/apache/arrow-datafusion/blob/318b4ad56c826b317b0201f7031a47609ad215b5/datafusion/optimizer/src/optimizer.rs#L178-L183
   
   so I think the simplifications should happen before physical planning


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