alamb commented on issue #14256:
URL: https://github.com/apache/datafusion/issues/14256#issuecomment-2622793735

   > After removing the WildcardOptions (by replacing it with an empty 
structure) I can see the build time drops. Removing the rule itself and the 
change in core doesn't help. It looks like the change to Expr is the root 
cause, though I don't know the reason...
   
   I wonder if the issue is that `WildCardOptions` is a large struct that is 
not `Box`ed -- so it means that every `Expr` needs to be large enough to hold 
it which maybe increased the size of all `Expr`s 🤔 
   
   
   Thanks to some great work from  @buraksenn @berkaysynnada and @logan-keede 
we have completed extracting physical optimizer rules:
   - https://github.com/apache/datafusion/issues/11502
   @logan-keede  is about to complete extracting the catalog:
   - https://github.com/apache/datafusion/issues/10782
   
   Perhaps it is time to organize the next major project to extract datasources 
/ listing table from the core 🤔 


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