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Code Issues 25 Releases Wiki Activity

Fixed #12567 -- Incorrect SQL in model inheritance case

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An isnull lookup produced incorrect SQL. This was already fixed
earlier, so only tests added.
This commit is contained in:
Anssi Kääriäinen 2013-08-19 14:07:51 +03:00
parent 3844089edc
commit 630b9df42f
1 changed files with 24 additions and 0 deletions
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24
tests/model_inheritance/tests.py
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@ -323,3 +323,27 @@ class ModelInheritanceTests(TestCase):
# Equality doesn't transfer in multitable inheritance.
self.assertNotEqual(Place(id=1), Restaurant(id=1))
self.assertNotEqual(Restaurant(id=1), Place(id=1))
def test_ticket_12567(self):
r = Restaurant.objects.create(name='n1', address='a1')
s = Supplier.objects.create(name='s1', address='a2')
self.assertQuerysetEqual(
Place.objects.filter(supplier__isnull=False),
[Place.objects.get(pk=s.pk)],
lambda x: x
)
self.assertQuerysetEqual(
Place.objects.filter(supplier__isnull=True),
[Place.objects.get(pk=r.pk)],
lambda x: x
)
self.assertQuerysetEqual(
Place.objects.exclude(supplier__isnull=False),
[Place.objects.get(pk=r.pk)],
lambda x: x
)
self.assertQuerysetEqual(
Place.objects.exclude(supplier__isnull=True),
[Place.objects.get(pk=s.pk)],
lambda x: x
)