adriangb commented on PR #15261:
URL: https://github.com/apache/datafusion/pull/15261#issuecomment-2727834436

   Noting that in 
https://github.com/apache/datafusion/pull/15263#discussion_r1997816085 I 
realized that it might be good to have a system to report stats for columns 
that will be generated before they are generated (is it all nulls? is it a 
constant?) to be used with stats pruning.


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