mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-08-04 02:48:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Fixed #24873 -- Prevented nested Prefetch objects from being overwritten.

Browse source
This commit is contained in:
Gagaro 2015-05-29 18:10:52 +02:00 • committed by Tim Graham
parent 06747ee790
commit 74261bc593
2 changed files with 17 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
tests/prefetch_related/tests.py
View file

@ -626,6 +626,17 @@ class CustomPrefetchTests(TestCase):
room = Room.objects.filter(main_room_of__isnull=False).prefetch_related(Prefetch('main_room_of', queryset=houses.filter(address='DoesNotExist'), to_attr='main_room_of_attr')).first()
self.assertIsNone(room.main_room_of_attr)
def test_nested_prefetch_related_are_not_overwritten(self):
# Regression test for #24873
houses_2 = House.objects.prefetch_related(Prefetch('rooms'))
persons = Person.objects.prefetch_related(Prefetch('houses', queryset=houses_2))
houses = House.objects.prefetch_related(Prefetch('occupants', queryset=persons))
list(houses) # queryset must be evaluated once to reproduce the bug.
self.assertEqual(
houses.all()[0].occupants.all()[0].houses.all()[1].rooms.all()[0],
self.room2_1
)
class DefaultManagerTests(TestCase):