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-rw-r--r--lib/sqlalchemy/orm/properties.py5
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/sqlalchemy/orm/properties.py b/lib/sqlalchemy/orm/properties.py
index 42c017bc5..09c90c6ac 100644
--- a/lib/sqlalchemy/orm/properties.py
+++ b/lib/sqlalchemy/orm/properties.py
@@ -151,11 +151,8 @@ class PropertyLoader(StrategizedProperty):
if not type in self.cascade:
return
passive = type != 'delete' or self.passive_deletes
- childlist = sessionlib.attribute_manager.get_history(object, self.key, passive=passive)
- if childlist is None:
- return
mapper = self.mapper.primary_mapper()
- for c in childlist.added_items() + childlist.deleted_items() + childlist.unchanged_items():
+ for c in sessionlib.attribute_manager.get_as_list(object, self.key, passive=passive):
if c is not None and c not in recursive and (halt_on is None or not halt_on(c)):
if not isinstance(c, self.mapper.class_):
raise exceptions.AssertionError("Attribute '%s' on class '%s' doesn't handle objects of type '%s'" % (self.key, str(self.parent.class_), str(c.__class__)))