alamb commented on issue #14757:
URL: https://github.com/apache/datafusion/issues/14757#issuecomment-2668299534

   > cc [@alamb](https://github.com/alamb) 
[@zhuqi-lucas](https://github.com/zhuqi-lucas) many of my users can't query 
their data because of this evolution. any chance you can take a look to see if 
there's any workaround I can do for now?
   
   I don't know of a workaround here.
   
   This seems like a feature we would have to implement (likely in arrow-rs 's 
`cast` kernel first)
   
   We had some discussion on the semantics of struct casting recently 
   - https://github.com/apache/datafusion/issues/14396


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