joroKr21 opened a new issue, #10132:
URL: https://github.com/apache/arrow-datafusion/issues/10132

   ### Describe the bug
   
   This is causing troubles for one of our user-defined aggregation functions. 
I don't know if there's an easier way to reproduce the issue. But it looks to 
me like it should be straightforward to support those data types:
    * `Duration` is a primitive
    * `Union` is similar to `Struct` and `List` - a single element array
   
   ### To Reproduce
   
   I am not sure. I could post some code with the UDAF reproduction but maybe 
someone knows a way to trigger the issue directly with a query?
   
   ### Expected behavior
   
   `ScalarValue::iter_to_array` to support all data types (maybe except the 
views) but I would settle for those two.
   
   ### Additional context
   
   I'm preparing a PR but I need ideas for testing


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