Fokko commented on issue #281:
URL: https://github.com/apache/iceberg-python/issues/281#issuecomment-1904323323

   @syun64 I started on #284 today. It re-uses the `UpdateSchema` API which 
already sets the right IDs, and maintains IDs for the existing fields. I don't 
think that doesn't help us because the `UnionByName` visitor requires an 
Iceberg schema, instead of a PyArrow schema.
   
   My suggestion is to create a name-mapping from an Arrow table, that we can 
use in `pyarrow_to_schema` to correctly assign fields by name.


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