bigluck commented on issue #541:
URL: https://github.com/apache/iceberg-python/issues/541#issuecomment-2042703204

   So, `timestamp_ns` & `timestamptz_ns` has been added on the `v3` of the 
iceberg specs, pyiceberg right now supports `v1` &`v2`.
   
   In my case, the column has been generated by this user-generated snipped:
   
   ```
   df['ds'] = pd.to_datetime(df["pickup_datetime"]).dt.date
   ```
   
   Unfortunately, I can not control what a user can write and how she produces 
the table.
   
   What's the recommended solution for downcasting unsupported column types 
into something less precise, without raising an error?


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