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Code Issues 32 Releases Wiki Activity

[1.8.x] Fixed #25685 -- Fixed a duplicate query regression on deletion of proxied models.

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Thanks to Trac alias ppetrid for the report and Tim for the review.
This commit is contained in:
Simon Charette
2015-11-20 14:18:47 -05:00
parent 2179e5a2bc
commit 7c3ef19978
4 changed files with 22 additions and 2 deletions
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11
tests/delete/tests.py
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@@ -349,6 +349,17 @@ class DeletionTests(TestCase):
self.assertFalse(S.objects.exists())
self.assertFalse(T.objects.exists())
def test_proxied_model_duplicate_queries(self):
"""
#25685 - Deleting instances of a model with existing proxy
classes should not issue multiple queries during cascade
deletion of referring models.
"""
avatar = Avatar.objects.create()
# One query for the Avatar table and a second for the User one.
with self.assertNumQueries(2):
avatar.delete()
class FastDeleteTests(TestCase):