ZENOTME commented on code in PR #569:
URL: https://github.com/apache/iceberg-python/pull/569#discussion_r1946187013
##########
pyiceberg/table/__init__.py:
##########
@@ -292,7 +303,13 @@ def _apply(self, updates: Tuple[TableUpdate, ...],
requirements: Tuple[TableRequ
requirement.validate(self.table_metadata)
self._updates += updates
- self._requirements += requirements
+
+ # For the requirements, it does not make sense to add a requirement
more than once
+ # For example, you cannot assert that the current schema has two
different IDs
+ existing_requirements = {type(requirement) for requirement in
self._requirements}
+ for new_requirement in requirements:
+ if type(new_requirement) not in existing_requirements:
+ self._requirements = self._requirements + requirements
Review Comment:
Hi, I'm not sure why is not `self._requirements = self._requirements +
new_requirement` instead of `self._requirements = self._requirements +
requirements`. If we meet something like `[requirement1(not in
existing_requirements), requirement2(in existing_requirements)]`, looks like
this code will include all requirement? Is something or context I miss?
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