Fokko commented on code in PR #902:
URL: https://github.com/apache/iceberg-python/pull/902#discussion_r1672411410


##########
pyiceberg/io/pyarrow.py:
##########
@@ -1268,14 +1265,8 @@ def __init__(self, file_schema: Schema):
 
     def _cast_if_needed(self, field: NestedField, values: pa.Array) -> 
pa.Array:
         file_field = self.file_schema.find_field(field.field_id)
-        if field.field_type.is_primitive:
-            if field.field_type != file_field.field_type:
-                return 
values.cast(schema_to_pyarrow(promote(file_field.field_type, field.field_type), 
include_field_ids=False))
-            elif (target_type := schema_to_pyarrow(field.field_type, 
include_field_ids=False)) != values.type:

Review Comment:
   What would worry me a bit, because in case we do upcasting (you supply an 
integer, but the table type is a long), it won't include the field-id at line 
1273



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