barronw commented on code in PR #1426:
URL: https://github.com/apache/iceberg-python/pull/1426#discussion_r1889308898
##########
pyiceberg/table/name_mapping.py:
##########
@@ -232,7 +234,9 @@ def mapping(self, nm: NameMapping, field_results:
List[MappedField]) -> List[Map
def fields(self, struct: List[MappedField], field_results:
List[MappedField]) -> List[MappedField]:
reassignments: Dict[str, int] = {
- update.name: update.field_id for f in field_results if (update :=
self._updates.get(f.field_id))
+ update.name: update.field_id
+ for f in field_results
+ if f.field_id is not None and (update :=
self._updates.get(f.field_id))
Review Comment:
The `update_mapping` API doesn't currently support changes to mappings
without a field ID since `updates` is typed with `Dict[int, NestedField]`.
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