comphead opened a new issue, #3602:
URL: https://github.com/apache/datafusion-comet/issues/3602

   This might be a future optimization if I'm understanding control flow 
correctly, but for default value/schema change columns we're allocating new 
`ArrayRef` every time. It seems like there are caching opportunities here. 
Maybe file an issue to optimize default value/identity columns/schema change 
columns in the expression adapter.
   
   _Originally posted by @mbutrovich in 
https://github.com/apache/datafusion-comet/pull/3536#discussion_r2854499238_
               


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