alamb commented on issue #1826:
URL: 
https://github.com/apache/datafusion-ballista/issues/1826#issuecomment-4918488365

   Thanks @hhhizzz 
   
   There is also a related discussion here
   - 
https://github.com/apache/datafusion-comet/pull/4791#issuecomment-4909647996
   
   > I would be happy to contribute code here, but I would appreciate guidance 
on the preferred direction:
   > My current interpretation is: LargeUtf8/View types can mitigate the 
immediate overflow, but the main performance and memory fix is to avoid 
producing the huge intermediate in the first place.
   
   This is what I think we should do and what @2010YOUY01 and @Rachelint and I 
are working towards with
   - https://github.com/apache/datafusion/issues/22710
   
   However our work is focused on agregates (if the giant intermediate result 
is hapening in a join, our work will not impact that)
   
   


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