Fixed #29367 -- Fixed model state on objects with a primary key created with QuerySet.bulk_create().

django/db/models/query.py

@@ -457,6 +457,9 @@ class QuerySet:
             objs_with_pk, objs_without_pk = partition(lambda o: o.pk is None, objs)
             if objs_with_pk:
                 self._batched_insert(objs_with_pk, fields, batch_size)
+                for obj_with_pk in objs_with_pk:
+                    obj_with_pk._state.adding = False
+                    obj_with_pk._state.db = self.db
             if objs_without_pk:
                 fields = [f for f in fields if not isinstance(f, AutoField)]
                 ids = self._batched_insert(objs_without_pk, fields, batch_size)

tests/bulk_create/tests.py

@@ -252,3 +252,12 @@ class BulkCreateTests(TestCase):
         # Objects save via bulk_create() and save() should have equal state.
         self.assertEqual(country_nl._state.adding, country_be._state.adding)
         self.assertEqual(country_nl._state.db, country_be._state.db)
+
+    def test_set_state_with_pk_specified(self):
+        state_ca = State(two_letter_code='CA')
+        state_ny = State(two_letter_code='NY')
+        State.objects.bulk_create([state_ca])
+        state_ny.save()
+        # Objects save via bulk_create() and save() should have equal state.
+        self.assertEqual(state_ca._state.adding, state_ny._state.adding)
+        self.assertEqual(state_ca._state.db, state_ny._state.db)