alamb commented on issue #14179:
URL: https://github.com/apache/datafusion/issues/14179#issuecomment-2620020603

   > Does this mean that some joins and window clauses now get pushed down to 
the TableProvider?
   
   @adriangb  no -- I think it means more filters are pushed pased window 
functions
   
   As an example from https://github.com/apache/datafusion/pull/14026
   ```sql
   SELECT * 
   FROM (
     SELECT *, rank() OVER(PARTITION BY k) 
     FROM t
   ) 
   WHERE k = 1; -- filter column is used by the partition key (this is now 
pushed)
                          QUERY PLAN
   ```


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