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Code Issues 32 Releases Wiki Activity

Fixed #25715 -- Fixed Model.refresh_from_db() with ForeignKey w/on_delete=SET_NULL.

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Tim Graham
2015-11-20 10:31:33 -05:00
parent ccc8f67b77
commit 54e2e688e1
4 changed files with 16 additions and 1 deletions
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11
tests/basic/tests.py
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@@ -765,6 +765,17 @@ class ModelRefreshTests(TestCase):
self.assertEqual(a2.pub_date, pub_date)
self.assertEqual(a2._state.db, "default")
def test_refresh_fk_on_delete_set_null(self):
a = Article.objects.create(
headline='Parrot programs in Python',
pub_date=datetime(2005, 7, 28),
)
s1 = SelfRef.objects.create(article=a)
a.delete()
s1.refresh_from_db()
self.assertIsNone(s1.article_id)
self.assertIsNone(s1.article)
def test_refresh_no_fields(self):
a = Article.objects.create(pub_date=self._truncate_ms(datetime.now()))
with self.assertNumQueries(0):