alamb commented on PR #7610:
URL: 
https://github.com/apache/arrow-datafusion/pull/7610#issuecomment-1729342313

   > I did not fix a bug, just prevented spamming the yield_now() for bounded 
output cases even if we have FIFO-like sinks since the data will eventually be 
written when the execution finishes.
   
   I am sorry -- I missed this point. 
   
   > Do you have any suggestions on how to test this addition for better 
clarity?
   
   Given it is a performance optimization, perhaps we could just add a comment 
to the code explaining the rationale (so someone is less likely to remove it / 
break it accidentally)


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