wiedld commented on PR #14821:
URL: https://github.com/apache/datafusion/pull/14821#issuecomment-2689593652

   Thanks for giving me time to catch up.
   
   After digging more into the ordering calculation, and making [a small 
PR](https://github.com/apache/datafusion/pull/14923) with additional test cases 
(to demonstrate how I think its intended to work?), I now agree with 
@berkaysynnada. I'm going to undo the ordering calculation change (revert that 
single commit).
   
   Instead, I'm pushing up a [temporary 
commit](https://github.com/apache/datafusion/pull/14821/commits/2ee747f87b1abc2c94f13f793a5b2879e6c37197)
 to show what test cases have a selective removal of the `order by count`. I'm 
not sure why the count field is only a constant when we have `Plain(unbounded) 
+ no partition_by + on unordered column`. Keeping as a draft, and I'll dig more 
tmrw.
   
   


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