alamb commented on issue #22073:
URL: https://github.com/apache/datafusion/issues/22073#issuecomment-4412246126

   > I think if we want postgresql semantics for nulls, then we should adjust 
the array udfs to internally sort out the null cases and then emit them 
accordingly.
   
   
   
   This makes sense to me
   
   In my personal opinion, at this point in DataFusion's lifetime, we should 
bias towards "stay with existing behavior" and don't change behavior just to 
conform with postgres. 
   
   I suggest we revert the original PR


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