sungwy commented on code in PR #1083:
URL: https://github.com/apache/iceberg-python/pull/1083#discussion_r1729934598
##########
pyiceberg/table/__init__.py:
##########
@@ -2492,21 +2492,26 @@ def update_column(
except ResolveError as e:
raise ValidationError(f"Cannot change column type:
{full_name}: {field.field_type} -> {field_type}") from e
+ # if other updates for the same field exist in one transaction:
if updated := self._updates.get(field.field_id):
self._updates[field.field_id] = NestedField(
field_id=updated.field_id,
name=updated.name,
field_type=field_type or updated.field_type,
- doc=doc or updated.doc,
- required=updated.required,
+ doc=doc if doc is not None else updated.doc,
+ # will raise ValidatorError
+ # if trying to change an identifier field from required to
optional upon commit
+ required=required or updated.required,
Review Comment:
> Hi @TiansuYu , I left a comment up there but reposting here as well.
While reviewing below test case that updates the required flag I noticed
that this is already being handled:
https://github.com/apache/iceberg-python/blob/0e6ce1dc8fee21c3b45381961a8902d1ca1ed933/pyiceberg/table/__init__.py#L2513
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