[GitHub] [arrow] spenczar commented on issue #34985: Python extension types aren't usable in struct arrays

["spenczar (via GitHub)" <gi...@apache.org>]

spenczar commented on issue #34985:
URL: https://github.com/apache/arrow/issues/34985#issuecomment-1500933703

   Actually, making the array explicitly with StructArray.from_arrays works:
   ```
   def make_struct_array_explicitly():
       data = [1, 2, 3, 4, 5]
       typ = CustomExtensionType()
       return pa.StructArray.from_arrays([pa.array(data, typ)], fields=[("val", typ)])
   ```
   
   So I think this is really about `pa.array`'s handling of structs that contain extension types.


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