alamb commented on issue #14757:
URL: https://github.com/apache/datafusion/issues/14757#issuecomment-2676189897

   > [@alamb](https://github.com/alamb) how do y'all handle this at influx? 
This one comes as quite a shocker to me. Does no one else using datafusion 
support struct evolution?
   
   InfluxData doesnt have a struct datatype so it doesn't come up
   
   Basically I think extending the schema merging and casting logic to handle 
struct evolution sounds like a good idea to me. Eventually the code probably 
belongs in arrow-rs but we could try to implement it first in DataFusion and 
then port it upstream
   
   Can someone file / find a ticket upstream in arrow-rs to get the 
conversation started there?


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