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Posted to github@datafusion.apache.org by "gstvg (via GitHub)" <gi...@apache.org> on 2026/04/17 06:06:06 UTC

[I] Support volatile functions and scalar variables in ListingTable partition pruning [datafusion]

gstvg opened a new issue, #21690:
URL: https://github.com/apache/datafusion/issues/21690

   ### Is your feature request related to a problem or challenge?
   
   Currently `ListingTable` partition prunning doesn't support volatile functions and scalar variables, like `now()` or `$var`, which is checked at https://github.com/apache/datafusion/blob/4b8c1d9d6b4eb7ebb2876abbed911055b4badfad/datafusion/catalog-listing/src/helpers.rs#L51-L118
   
   ### Describe the solution you'd like
   
   Volatile functions and scalar variables being supported in `ListingTable` partition pruning
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Additional context
   
   Suggested by @comphead  at [#21679](https://www.github.com/apache/datafusion/pull/21679#discussion_r3094909808)


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