DDtKey commented on issue #5162:
URL: 
https://github.com/apache/arrow-datafusion/issues/5162#issuecomment-1448373456

   > It seems I was wrong about 
https://github.com/apache/arrow-datafusion/pull/5339 closing this issue, my bad 
😞 . This query shouldn't produce CROSS JOIN, and memory limitation for hash 
join required to fix this issue.
   
   Yes, I think so, because this query produces `hash-join` in plan, but 
results in Cartesian product actually due to the same values in columns


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