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Fixed #12807 -- EmptyResultSet ORed condition 

The EmptyResultSet wasn't treated correctly so the end results was
incorrect, too. The bug had been already fixed in master so only tests
added.
This commit is contained in:
Anssi Kääriäinen 2013-08-19 16:24:45 +03:00
parent 7bc57a6d71
commit 58c6d0209d
1 changed files with 10 additions and 0 deletions
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10
tests/queries/tests.py
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@ -2952,6 +2952,16 @@ class Ticket20788Tests(TestCase):
self.assertQuerysetEqual(
sentences_not_in_pub, [book2], lambda x: x)
class Ticket12807Tests(TestCase):
def test_ticket_12807(self):
p1 = Paragraph.objects.create()
p2 = Paragraph.objects.create()
# The ORed condition below should have no effect on the query - the
# ~Q(pk__in=[]) will always be True.
qs = Paragraph.objects.filter((Q(pk=p2.pk) | ~Q(pk__in=[])) & Q(pk=p1.pk))
self.assertQuerysetEqual(qs, [p1], lambda x: x)
class RelatedLookupTypeTests(TestCase):
def test_wrong_type_lookup(self):
oa = ObjectA.objects.create(name="oa")