Fixed #34633 -- Made create() method of reverse many-to-one managers clear prefetch_related() cache.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/many_to_one/tests.py b/tests/many_to_one/tests.py
index b07972ec31..ac5b35e055 100644
--- a/tests/many_to_one/tests.py
+++ b/tests/many_to_one/tests.py
@@ -800,6 +800,14 @@ class ManyToOneTests(TestCase):
         # refs #21563
         self.assertFalse(hasattr(Article(), "reporter"))
 
+    def test_create_after_prefetch(self):
+        c = City.objects.create(name="Musical City")
+        d1 = District.objects.create(name="Ladida", city=c)
+        city = City.objects.prefetch_related("districts").get(id=c.id)
+        self.assertSequenceEqual(city.districts.all(), [d1])
+        d2 = city.districts.create(name="Goa")
+        self.assertSequenceEqual(city.districts.all(), [d1, d2])
+
     def test_clear_after_prefetch(self):
         c = City.objects.create(name="Musical City")
         d = District.objects.create(name="Ladida", city=c)