beliefer opened a new pull request #35823:
URL: https://github.com/apache/spark/pull/35823


   ### What changes were proposed in this pull request?
   Currently, Spark DS V2 aggregate push-down doesn't supports project with 
alias.
   
   Refer 
https://github.com/apache/spark/blob/c91c2e9afec0d5d5bbbd2e155057fe409c5bb928/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala#L96
   
   This PR let it works good with alias.
   
   
   ### Why are the changes needed?
   Alias is more useful.
   
   
   ### Does this PR introduce _any_ user-facing change?
   'Yes'.
   Users could see DS V2 aggregate push-down supports project with alias.
   
   
   ### How was this patch tested?
   New tests.
   


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