alexwilcoxson-rel opened a new issue, #4895:
URL: https://github.com/apache/arrow-rs/issues/4895

   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
   Per #3389 dictionaries are not supported over flight and right now they are 
cast into their underlying value type array.
   
   **Describe the solution you'd like**
   In lieu of the solution described on #3389 to provide initial support for 
dictionary arrays we can have opt in behavior to always send dictionaries with 
each record batch, replacing the previous
   
   **Describe alternatives you've considered**
   n/a
   
   **Additional context**
   n/a
   


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