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[1.10.x] Fixed #27407 -- Made Model.delete(keep_parents=True) preserve parent reverse relationships.

Thanks Tim for the review.

Backport of 31a56e30cf from master
This commit is contained in:
Simon Charette
2016-09-10 20:30:14 -04:00
parent d2fc204694
commit b495d8e334
3 changed files with 16 additions and 0 deletions

View File

@@ -359,6 +359,15 @@ class DeletionTests(TestCase):
self.assertFalse(RChild.objects.filter(id=child.id).exists())
self.assertTrue(R.objects.filter(id=parent_id).exists())
def test_delete_with_keeping_parents_relationships(self):
child = RChild.objects.create()
parent_id = child.r_ptr_id
parent_referent_id = S.objects.create(r=child.r_ptr).pk
child.delete(keep_parents=True)
self.assertFalse(RChild.objects.filter(id=child.id).exists())
self.assertTrue(R.objects.filter(id=parent_id).exists())
self.assertTrue(S.objects.filter(pk=parent_referent_id).exists())
def test_queryset_delete_returns_num_rows(self):
"""
QuerySet.delete() should return the number of deleted rows and a