stuhood commented on issue #25483:
URL: https://github.com/apache/datafusion/issues/25483#issuecomment-5766489785

   > [@stuhood](https://github.com/stuhood) Makes sense. I think the only 
situation that happens is in joins, which I tried to cover in [this 
comment](https://github.com/apache/datafusion/issues/25483#issuecomment-5735805577).
 Ie. 2 differently range partitioned inputs or 1 range partitioned input + 1 
unpartitioned input.
   
   Yea. I guess that I just meant that rather than needing to degrade to a 
`case` statement when being pushed down through a `RepartionExec` (which would 
still be the case in #23817 I think), there are a few cases where dynamic 
filters would be able to instead re-map themselves using these mappings, and to 
remain partitioned.


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