Dandandan commented on PR #15697:
URL: https://github.com/apache/datafusion/pull/15697#issuecomment-2799968795

   > If I understand correctly, the ideas to basically do the same thing we're 
going to do for the dynamic filters but essentially do the filtering inside of 
top K to avoid some extra work. Is that correct? If so, it sounds like a great 
idea and we're going to be able to reuse a lot of the code
   
   Yeah that's totally correct! The gains won't be as impressive as with 
dynamic filter, but still avoid work in TopK by not having to convert the 
sorting keys to row format.


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