lidavidm commented on pull request #10906:
URL: https://github.com/apache/arrow/pull/10906#issuecomment-920105661


   Ok. So then, the issue boils down to 
   
   1. This is a parameterized query
   2. The database is partitioned/has multiple nodes
   3. If we knew the parameters at GetFlightInfo time, we could prune partitions
   4. But we don't have a way to pass parameters in GetFlightInfo
   
   And in particular, you also don't want to require the client to have to 
expand/unparameterize the query.


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