rluvaton commented on PR #23807:
URL: https://github.com/apache/datafusion/pull/23807#issuecomment-5079523832

   > Thank you @rluvaton  -- this idea here seems sound to me
   > 
   > Can we get some sql logic / explain test that show some of the 
optimizations that this allows for (that `preserves_lex_ordering` does not)?
   > 
   > 
   > I think having those examples would make sure we have a good / minimal API 
to build on -- without such "end visible facing" tests I fear we may implement 
some features that are not ever used
   
   I did not want to add uses of this api in this PR to reduce the amount of 
code to review, do you still want me to do so?


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