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Code Issues 32 Releases Wiki Activity

Fixed #17930 -- Allowed ORing (|) with sliced QuerySets.

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This commit is contained in:
Ian Foote
2018-11-15 14:43:58 +00:00
committed by Tim Graham
parent cd40306854
commit e1fc07c047
2 changed files with 35 additions and 1 deletions
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31
tests/queries/tests.py
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@@ -2140,6 +2140,37 @@ class SubqueryTests(TestCase):
)
@skipUnlessDBFeature('allow_sliced_subqueries_with_in')
class QuerySetBitwiseOperationTests(TestCase):
@classmethod
def setUpTestData(cls):
school = School.objects.create()
cls.room_1 = Classroom.objects.create(school=school, has_blackboard=False, name='Room 1')
cls.room_2 = Classroom.objects.create(school=school, has_blackboard=True, name='Room 2')
cls.room_3 = Classroom.objects.create(school=school, has_blackboard=True, name='Room 3')
cls.room_4 = Classroom.objects.create(school=school, has_blackboard=False, name='Room 4')
def test_or_with_rhs_slice(self):
qs1 = Classroom.objects.filter(has_blackboard=True)
qs2 = Classroom.objects.filter(has_blackboard=False)[:1]
self.assertCountEqual(qs1 | qs2, [self.room_1, self.room_2, self.room_3])
def test_or_with_lhs_slice(self):
qs1 = Classroom.objects.filter(has_blackboard=True)[:1]
qs2 = Classroom.objects.filter(has_blackboard=False)
self.assertCountEqual(qs1 | qs2, [self.room_1, self.room_2, self.room_4])
def test_or_with_both_slice(self):
qs1 = Classroom.objects.filter(has_blackboard=False)[:1]
qs2 = Classroom.objects.filter(has_blackboard=True)[:1]
self.assertCountEqual(qs1 | qs2, [self.room_1, self.room_2])
def test_or_with_both_slice_and_ordering(self):
qs1 = Classroom.objects.filter(has_blackboard=False).order_by('-pk')[:1]
qs2 = Classroom.objects.filter(has_blackboard=True).order_by('-name')[:1]
self.assertCountEqual(qs1 | qs2, [self.room_3, self.room_4])
class CloneTests(TestCase):
def test_evaluated_queryset_as_argument(self):