Ticket #8669: create-always-inserts.v3.diff

django/db/models/fields/related.py

@@ -301 +301 @@
             add.alters_data = True
 
             def create(self, **kwargs):
-                new_obj = self.model(**kwargs)
-                self.add(new_obj)
-                return new_obj
+                # Update kwargs with the related object that this
+                # ForeignRelatedObjectsDescriptor knows about.
+                kwargs.update({rel_field.name: instance})
+                return super(RelatedManager, self).create(**kwargs)
             create.alters_data = True
 
             def get_or_create(self, **kwargs):
@@ -405 +406 @@
             # from the method lookup table, as we do with add and remove.
             if through is not None:
                 raise AttributeError, "Cannot use create() on a ManyToManyField which specifies an intermediary model. Use %s's Manager instead." % through
-            new_obj = self.model(**kwargs)
-            new_obj.save()
+            new_obj = super(ManyRelatedManager, self).create(**kwargs)
             self.add(new_obj)
             return new_obj
         create.alters_data = True

django/contrib/contenttypes/generic.py

@@ -272 +272 @@
         def create(self, **kwargs):
             kwargs[self.content_type_field_name] = self.content_type
             kwargs[self.object_id_field_name] = self.pk_val
-            obj = self.model(**kwargs)
-            obj.save()
-            return obj
+            return super(GenericRelatedObjectManager, self).create(**kwargs)
         create.alters_data = True
 
     return GenericRelatedObjectManager