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Refs #33476 -- Reformatted code with Black.
This commit is contained in:
django-bot
committed by
Mariusz Felisiak
Mariusz Felisiak
parent
f68fa8b45d
commit
9c19aff7c7
@@ -8,14 +8,16 @@ from django.test.utils import CaptureQueriesContext
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from .models import Author, Celebrity, ExtraInfo, Number, ReservedName
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@skipUnlessDBFeature('supports_select_union')
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@skipUnlessDBFeature("supports_select_union")
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class QuerySetSetOperationTests(TestCase):
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@classmethod
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def setUpTestData(cls):
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Number.objects.bulk_create(Number(num=i, other_num=10 - i) for i in range(10))
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def assertNumbersEqual(self, queryset, expected_numbers, ordered=True):
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self.assertQuerysetEqual(queryset, expected_numbers, operator.attrgetter('num'), ordered)
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self.assertQuerysetEqual(
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queryset, expected_numbers, operator.attrgetter("num"), ordered
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)
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def test_simple_union(self):
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qs1 = Number.objects.filter(num__lte=1)
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@@ -23,24 +25,24 @@ class QuerySetSetOperationTests(TestCase):
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qs3 = Number.objects.filter(num=5)
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self.assertNumbersEqual(qs1.union(qs2, qs3), [0, 1, 5, 8, 9], ordered=False)
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@skipUnlessDBFeature('supports_select_intersection')
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@skipUnlessDBFeature("supports_select_intersection")
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def test_simple_intersection(self):
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qs1 = Number.objects.filter(num__lte=5)
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qs2 = Number.objects.filter(num__gte=5)
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qs3 = Number.objects.filter(num__gte=4, num__lte=6)
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self.assertNumbersEqual(qs1.intersection(qs2, qs3), [5], ordered=False)
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@skipUnlessDBFeature('supports_select_intersection')
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@skipUnlessDBFeature("supports_select_intersection")
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def test_intersection_with_values(self):
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ReservedName.objects.create(name='a', order=2)
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ReservedName.objects.create(name="a", order=2)
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qs1 = ReservedName.objects.all()
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reserved_name = qs1.intersection(qs1).values('name', 'order', 'id').get()
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self.assertEqual(reserved_name['name'], 'a')
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self.assertEqual(reserved_name['order'], 2)
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reserved_name = qs1.intersection(qs1).values_list('name', 'order', 'id').get()
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self.assertEqual(reserved_name[:2], ('a', 2))
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reserved_name = qs1.intersection(qs1).values("name", "order", "id").get()
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self.assertEqual(reserved_name["name"], "a")
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self.assertEqual(reserved_name["order"], 2)
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reserved_name = qs1.intersection(qs1).values_list("name", "order", "id").get()
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self.assertEqual(reserved_name[:2], ("a", 2))
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@skipUnlessDBFeature('supports_select_difference')
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@skipUnlessDBFeature("supports_select_difference")
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def test_simple_difference(self):
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qs1 = Number.objects.filter(num__lte=5)
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qs2 = Number.objects.filter(num__lte=4)
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@@ -59,7 +61,7 @@ class QuerySetSetOperationTests(TestCase):
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self.assertSequenceEqual(qs3.none(), [])
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self.assertNumbersEqual(qs3, [0, 1, 8, 9], ordered=False)
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@skipUnlessDBFeature('supports_select_intersection')
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@skipUnlessDBFeature("supports_select_intersection")
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def test_intersection_with_empty_qs(self):
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qs1 = Number.objects.all()
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qs2 = Number.objects.none()
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@@ -71,7 +73,7 @@ class QuerySetSetOperationTests(TestCase):
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self.assertEqual(len(qs2.intersection(qs2)), 0)
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self.assertEqual(len(qs3.intersection(qs3)), 0)
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@skipUnlessDBFeature('supports_select_difference')
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@skipUnlessDBFeature("supports_select_difference")
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def test_difference_with_empty_qs(self):
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qs1 = Number.objects.all()
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qs2 = Number.objects.none()
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@@ -83,16 +85,16 @@ class QuerySetSetOperationTests(TestCase):
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self.assertEqual(len(qs2.difference(qs2)), 0)
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self.assertEqual(len(qs3.difference(qs3)), 0)
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@skipUnlessDBFeature('supports_select_difference')
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@skipUnlessDBFeature("supports_select_difference")
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def test_difference_with_values(self):
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ReservedName.objects.create(name='a', order=2)
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ReservedName.objects.create(name="a", order=2)
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qs1 = ReservedName.objects.all()
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qs2 = ReservedName.objects.none()
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reserved_name = qs1.difference(qs2).values('name', 'order', 'id').get()
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self.assertEqual(reserved_name['name'], 'a')
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self.assertEqual(reserved_name['order'], 2)
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reserved_name = qs1.difference(qs2).values_list('name', 'order', 'id').get()
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self.assertEqual(reserved_name[:2], ('a', 2))
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reserved_name = qs1.difference(qs2).values("name", "order", "id").get()
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self.assertEqual(reserved_name["name"], "a")
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self.assertEqual(reserved_name["order"], 2)
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reserved_name = qs1.difference(qs2).values_list("name", "order", "id").get()
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self.assertEqual(reserved_name[:2], ("a", 2))
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def test_union_with_empty_qs(self):
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qs1 = Number.objects.all()
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@@ -108,8 +110,8 @@ class QuerySetSetOperationTests(TestCase):
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self.assertEqual(len(qs3.union(qs3)), 0)
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def test_empty_qs_union_with_ordered_qs(self):
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qs1 = Number.objects.all().order_by('num')
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qs2 = Number.objects.none().union(qs1).order_by('num')
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qs1 = Number.objects.all().order_by("num")
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qs2 = Number.objects.none().union(qs1).order_by("num")
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self.assertEqual(list(qs1), list(qs2))
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def test_limits(self):
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@@ -120,94 +122,116 @@ class QuerySetSetOperationTests(TestCase):
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def test_ordering(self):
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qs1 = Number.objects.filter(num__lte=1)
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qs2 = Number.objects.filter(num__gte=2, num__lte=3)
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self.assertNumbersEqual(qs1.union(qs2).order_by('-num'), [3, 2, 1, 0])
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self.assertNumbersEqual(qs1.union(qs2).order_by("-num"), [3, 2, 1, 0])
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def test_ordering_by_alias(self):
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qs1 = Number.objects.filter(num__lte=1).values(alias=F('num'))
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qs2 = Number.objects.filter(num__gte=2, num__lte=3).values(alias=F('num'))
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qs1 = Number.objects.filter(num__lte=1).values(alias=F("num"))
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qs2 = Number.objects.filter(num__gte=2, num__lte=3).values(alias=F("num"))
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self.assertQuerysetEqual(
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qs1.union(qs2).order_by('-alias'),
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qs1.union(qs2).order_by("-alias"),
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[3, 2, 1, 0],
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operator.itemgetter('alias'),
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operator.itemgetter("alias"),
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)
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def test_ordering_by_f_expression(self):
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qs1 = Number.objects.filter(num__lte=1)
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qs2 = Number.objects.filter(num__gte=2, num__lte=3)
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self.assertNumbersEqual(qs1.union(qs2).order_by(F('num').desc()), [3, 2, 1, 0])
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self.assertNumbersEqual(qs1.union(qs2).order_by(F("num").desc()), [3, 2, 1, 0])
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def test_ordering_by_f_expression_and_alias(self):
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qs1 = Number.objects.filter(num__lte=1).values(alias=F('other_num'))
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qs2 = Number.objects.filter(num__gte=2, num__lte=3).values(alias=F('other_num'))
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qs1 = Number.objects.filter(num__lte=1).values(alias=F("other_num"))
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qs2 = Number.objects.filter(num__gte=2, num__lte=3).values(alias=F("other_num"))
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self.assertQuerysetEqual(
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qs1.union(qs2).order_by(F('alias').desc()),
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qs1.union(qs2).order_by(F("alias").desc()),
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[10, 9, 8, 7],
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operator.itemgetter('alias'),
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operator.itemgetter("alias"),
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)
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Number.objects.create(num=-1)
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self.assertQuerysetEqual(
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qs1.union(qs2).order_by(F('alias').desc(nulls_last=True)),
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qs1.union(qs2).order_by(F("alias").desc(nulls_last=True)),
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[10, 9, 8, 7, None],
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operator.itemgetter('alias'),
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operator.itemgetter("alias"),
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)
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def test_union_with_values(self):
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ReservedName.objects.create(name='a', order=2)
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ReservedName.objects.create(name="a", order=2)
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qs1 = ReservedName.objects.all()
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reserved_name = qs1.union(qs1).values('name', 'order', 'id').get()
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self.assertEqual(reserved_name['name'], 'a')
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self.assertEqual(reserved_name['order'], 2)
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reserved_name = qs1.union(qs1).values_list('name', 'order', 'id').get()
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self.assertEqual(reserved_name[:2], ('a', 2))
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reserved_name = qs1.union(qs1).values("name", "order", "id").get()
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self.assertEqual(reserved_name["name"], "a")
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self.assertEqual(reserved_name["order"], 2)
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reserved_name = qs1.union(qs1).values_list("name", "order", "id").get()
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self.assertEqual(reserved_name[:2], ("a", 2))
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# List of columns can be changed.
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reserved_name = qs1.union(qs1).values_list('order').get()
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reserved_name = qs1.union(qs1).values_list("order").get()
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self.assertEqual(reserved_name, (2,))
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def test_union_with_two_annotated_values_list(self):
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qs1 = Number.objects.filter(num=1).annotate(
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count=Value(0, IntegerField()),
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).values_list('num', 'count')
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qs2 = Number.objects.filter(num=2).values('pk').annotate(
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count=F('num'),
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).annotate(
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num=Value(1, IntegerField()),
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).values_list('num', 'count')
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qs1 = (
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Number.objects.filter(num=1)
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.annotate(
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count=Value(0, IntegerField()),
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)
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.values_list("num", "count")
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)
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qs2 = (
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Number.objects.filter(num=2)
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.values("pk")
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.annotate(
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count=F("num"),
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)
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.annotate(
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num=Value(1, IntegerField()),
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)
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.values_list("num", "count")
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)
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self.assertCountEqual(qs1.union(qs2), [(1, 0), (2, 1)])
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def test_union_with_extra_and_values_list(self):
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qs1 = Number.objects.filter(num=1).extra(
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select={'count': 0},
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).values_list('num', 'count')
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qs2 = Number.objects.filter(num=2).extra(select={'count': 1})
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qs1 = (
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Number.objects.filter(num=1)
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.extra(
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select={"count": 0},
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)
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.values_list("num", "count")
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)
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qs2 = Number.objects.filter(num=2).extra(select={"count": 1})
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self.assertCountEqual(qs1.union(qs2), [(1, 0), (2, 1)])
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def test_union_with_values_list_on_annotated_and_unannotated(self):
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ReservedName.objects.create(name='rn1', order=1)
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ReservedName.objects.create(name="rn1", order=1)
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qs1 = Number.objects.annotate(
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has_reserved_name=Exists(ReservedName.objects.filter(order=OuterRef('num')))
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has_reserved_name=Exists(ReservedName.objects.filter(order=OuterRef("num")))
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).filter(has_reserved_name=True)
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qs2 = Number.objects.filter(num=9)
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self.assertCountEqual(qs1.union(qs2).values_list('num', flat=True), [1, 9])
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self.assertCountEqual(qs1.union(qs2).values_list("num", flat=True), [1, 9])
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def test_union_with_values_list_and_order(self):
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ReservedName.objects.bulk_create([
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ReservedName(name='rn1', order=7),
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ReservedName(name='rn2', order=5),
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ReservedName(name='rn0', order=6),
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ReservedName(name='rn9', order=-1),
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])
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ReservedName.objects.bulk_create(
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[
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ReservedName(name="rn1", order=7),
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ReservedName(name="rn2", order=5),
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ReservedName(name="rn0", order=6),
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ReservedName(name="rn9", order=-1),
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]
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)
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qs1 = ReservedName.objects.filter(order__gte=6)
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qs2 = ReservedName.objects.filter(order__lte=5)
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union_qs = qs1.union(qs2)
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for qs, expected_result in (
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# Order by a single column.
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(union_qs.order_by('-pk').values_list('order', flat=True), [-1, 6, 5, 7]),
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(union_qs.order_by('pk').values_list('order', flat=True), [7, 5, 6, -1]),
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(union_qs.values_list('order', flat=True).order_by('-pk'), [-1, 6, 5, 7]),
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(union_qs.values_list('order', flat=True).order_by('pk'), [7, 5, 6, -1]),
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(union_qs.order_by("-pk").values_list("order", flat=True), [-1, 6, 5, 7]),
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(union_qs.order_by("pk").values_list("order", flat=True), [7, 5, 6, -1]),
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(union_qs.values_list("order", flat=True).order_by("-pk"), [-1, 6, 5, 7]),
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(union_qs.values_list("order", flat=True).order_by("pk"), [7, 5, 6, -1]),
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# Order by multiple columns.
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(union_qs.order_by('-name', 'pk').values_list('order', flat=True), [-1, 5, 7, 6]),
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(union_qs.values_list('order', flat=True).order_by('-name', 'pk'), [-1, 5, 7, 6]),
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(
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union_qs.order_by("-name", "pk").values_list("order", flat=True),
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[-1, 5, 7, 6],
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),
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(
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union_qs.values_list("order", flat=True).order_by("-name", "pk"),
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[-1, 5, 7, 6],
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),
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):
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with self.subTest(qs=qs):
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self.assertEqual(list(qs), expected_result)
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@@ -215,92 +239,104 @@ class QuerySetSetOperationTests(TestCase):
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def test_union_with_values_list_and_order_on_annotation(self):
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qs1 = Number.objects.annotate(
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annotation=Value(-1),
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multiplier=F('annotation'),
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multiplier=F("annotation"),
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).filter(num__gte=6)
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qs2 = Number.objects.annotate(
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annotation=Value(2),
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multiplier=F('annotation'),
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multiplier=F("annotation"),
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).filter(num__lte=5)
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self.assertSequenceEqual(
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qs1.union(qs2).order_by('annotation', 'num').values_list('num', flat=True),
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qs1.union(qs2).order_by("annotation", "num").values_list("num", flat=True),
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[6, 7, 8, 9, 0, 1, 2, 3, 4, 5],
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)
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self.assertQuerysetEqual(
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qs1.union(qs2).order_by(
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F('annotation') * F('multiplier'),
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'num',
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).values('num'),
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qs1.union(qs2)
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.order_by(
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F("annotation") * F("multiplier"),
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"num",
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)
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.values("num"),
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[6, 7, 8, 9, 0, 1, 2, 3, 4, 5],
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operator.itemgetter('num'),
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operator.itemgetter("num"),
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)
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def test_union_multiple_models_with_values_list_and_order(self):
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reserved_name = ReservedName.objects.create(name='rn1', order=0)
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reserved_name = ReservedName.objects.create(name="rn1", order=0)
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qs1 = Celebrity.objects.all()
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qs2 = ReservedName.objects.all()
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self.assertSequenceEqual(
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qs1.union(qs2).order_by('name').values_list('pk', flat=True),
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qs1.union(qs2).order_by("name").values_list("pk", flat=True),
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[reserved_name.pk],
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)
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def test_union_multiple_models_with_values_list_and_order_by_extra_select(self):
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reserved_name = ReservedName.objects.create(name='rn1', order=0)
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qs1 = Celebrity.objects.extra(select={'extra_name': 'name'})
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qs2 = ReservedName.objects.extra(select={'extra_name': 'name'})
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reserved_name = ReservedName.objects.create(name="rn1", order=0)
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qs1 = Celebrity.objects.extra(select={"extra_name": "name"})
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qs2 = ReservedName.objects.extra(select={"extra_name": "name"})
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self.assertSequenceEqual(
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qs1.union(qs2).order_by('extra_name').values_list('pk', flat=True),
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qs1.union(qs2).order_by("extra_name").values_list("pk", flat=True),
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[reserved_name.pk],
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)
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def test_union_in_subquery(self):
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ReservedName.objects.bulk_create([
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ReservedName(name='rn1', order=8),
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ReservedName(name='rn2', order=1),
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ReservedName(name='rn3', order=5),
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])
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qs1 = Number.objects.filter(num__gt=7, num=OuterRef('order'))
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qs2 = Number.objects.filter(num__lt=2, num=OuterRef('order'))
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ReservedName.objects.bulk_create(
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[
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ReservedName(name="rn1", order=8),
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ReservedName(name="rn2", order=1),
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ReservedName(name="rn3", order=5),
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]
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)
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qs1 = Number.objects.filter(num__gt=7, num=OuterRef("order"))
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qs2 = Number.objects.filter(num__lt=2, num=OuterRef("order"))
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self.assertCountEqual(
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ReservedName.objects.annotate(
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number=Subquery(qs1.union(qs2).values('num')),
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).filter(number__isnull=False).values_list('order', flat=True),
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number=Subquery(qs1.union(qs2).values("num")),
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)
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.filter(number__isnull=False)
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.values_list("order", flat=True),
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[8, 1],
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)
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def test_union_in_subquery_related_outerref(self):
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e1 = ExtraInfo.objects.create(value=7, info='e3')
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e2 = ExtraInfo.objects.create(value=5, info='e2')
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e3 = ExtraInfo.objects.create(value=1, info='e1')
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Author.objects.bulk_create([
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Author(name='a1', num=1, extra=e1),
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Author(name='a2', num=3, extra=e2),
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Author(name='a3', num=2, extra=e3),
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])
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qs1 = ExtraInfo.objects.order_by().filter(value=OuterRef('num'))
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qs2 = ExtraInfo.objects.order_by().filter(value__lt=OuterRef('extra__value'))
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qs = Author.objects.annotate(
|
||||
info=Subquery(qs1.union(qs2).values('info')[:1]),
|
||||
).filter(info__isnull=False).values_list('name', flat=True)
|
||||
self.assertCountEqual(qs, ['a1', 'a2'])
|
||||
e1 = ExtraInfo.objects.create(value=7, info="e3")
|
||||
e2 = ExtraInfo.objects.create(value=5, info="e2")
|
||||
e3 = ExtraInfo.objects.create(value=1, info="e1")
|
||||
Author.objects.bulk_create(
|
||||
[
|
||||
Author(name="a1", num=1, extra=e1),
|
||||
Author(name="a2", num=3, extra=e2),
|
||||
Author(name="a3", num=2, extra=e3),
|
||||
]
|
||||
)
|
||||
qs1 = ExtraInfo.objects.order_by().filter(value=OuterRef("num"))
|
||||
qs2 = ExtraInfo.objects.order_by().filter(value__lt=OuterRef("extra__value"))
|
||||
qs = (
|
||||
Author.objects.annotate(
|
||||
info=Subquery(qs1.union(qs2).values("info")[:1]),
|
||||
)
|
||||
.filter(info__isnull=False)
|
||||
.values_list("name", flat=True)
|
||||
)
|
||||
self.assertCountEqual(qs, ["a1", "a2"])
|
||||
# Combined queries don't mutate.
|
||||
self.assertCountEqual(qs, ['a1', 'a2'])
|
||||
self.assertCountEqual(qs, ["a1", "a2"])
|
||||
|
||||
def test_count_union(self):
|
||||
qs1 = Number.objects.filter(num__lte=1).values('num')
|
||||
qs2 = Number.objects.filter(num__gte=2, num__lte=3).values('num')
|
||||
qs1 = Number.objects.filter(num__lte=1).values("num")
|
||||
qs2 = Number.objects.filter(num__gte=2, num__lte=3).values("num")
|
||||
self.assertEqual(qs1.union(qs2).count(), 4)
|
||||
|
||||
def test_count_union_empty_result(self):
|
||||
qs = Number.objects.filter(pk__in=[])
|
||||
self.assertEqual(qs.union(qs).count(), 0)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_difference')
|
||||
@skipUnlessDBFeature("supports_select_difference")
|
||||
def test_count_difference(self):
|
||||
qs1 = Number.objects.filter(num__lt=10)
|
||||
qs2 = Number.objects.filter(num__lt=9)
|
||||
self.assertEqual(qs1.difference(qs2).count(), 1)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_intersection')
|
||||
@skipUnlessDBFeature("supports_select_intersection")
|
||||
def test_count_intersection(self):
|
||||
qs1 = Number.objects.filter(num__gte=5)
|
||||
qs2 = Number.objects.filter(num__lte=5)
|
||||
@@ -313,28 +349,28 @@ class QuerySetSetOperationTests(TestCase):
|
||||
self.assertIs(qs1.union(qs2).exists(), True)
|
||||
captured_queries = context.captured_queries
|
||||
self.assertEqual(len(captured_queries), 1)
|
||||
captured_sql = captured_queries[0]['sql']
|
||||
captured_sql = captured_queries[0]["sql"]
|
||||
self.assertNotIn(
|
||||
connection.ops.quote_name(Number._meta.pk.column),
|
||||
captured_sql,
|
||||
)
|
||||
self.assertEqual(
|
||||
captured_sql.count(connection.ops.limit_offset_sql(None, 1)),
|
||||
3 if connection.features.supports_slicing_ordering_in_compound else 1
|
||||
3 if connection.features.supports_slicing_ordering_in_compound else 1,
|
||||
)
|
||||
|
||||
def test_exists_union_empty_result(self):
|
||||
qs = Number.objects.filter(pk__in=[])
|
||||
self.assertIs(qs.union(qs).exists(), False)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_intersection')
|
||||
@skipUnlessDBFeature("supports_select_intersection")
|
||||
def test_exists_intersection(self):
|
||||
qs1 = Number.objects.filter(num__gt=5)
|
||||
qs2 = Number.objects.filter(num__lt=5)
|
||||
self.assertIs(qs1.intersection(qs1).exists(), True)
|
||||
self.assertIs(qs1.intersection(qs2).exists(), False)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_difference')
|
||||
@skipUnlessDBFeature("supports_select_difference")
|
||||
def test_exists_difference(self):
|
||||
qs1 = Number.objects.filter(num__gte=5)
|
||||
qs2 = Number.objects.filter(num__gte=3)
|
||||
@@ -345,75 +381,79 @@ class QuerySetSetOperationTests(TestCase):
|
||||
qs = Number.objects.filter(num=2)
|
||||
self.assertEqual(qs.union(qs).get().num, 2)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_difference')
|
||||
@skipUnlessDBFeature("supports_select_difference")
|
||||
def test_get_difference(self):
|
||||
qs1 = Number.objects.all()
|
||||
qs2 = Number.objects.exclude(num=2)
|
||||
self.assertEqual(qs1.difference(qs2).get().num, 2)
|
||||
|
||||
@skipUnlessDBFeature('supports_select_intersection')
|
||||
@skipUnlessDBFeature("supports_select_intersection")
|
||||
def test_get_intersection(self):
|
||||
qs1 = Number.objects.all()
|
||||
qs2 = Number.objects.filter(num=2)
|
||||
self.assertEqual(qs1.intersection(qs2).get().num, 2)
|
||||
|
||||
@skipUnlessDBFeature('supports_slicing_ordering_in_compound')
|
||||
@skipUnlessDBFeature("supports_slicing_ordering_in_compound")
|
||||
def test_ordering_subqueries(self):
|
||||
qs1 = Number.objects.order_by('num')[:2]
|
||||
qs2 = Number.objects.order_by('-num')[:2]
|
||||
self.assertNumbersEqual(qs1.union(qs2).order_by('-num')[:4], [9, 8, 1, 0])
|
||||
qs1 = Number.objects.order_by("num")[:2]
|
||||
qs2 = Number.objects.order_by("-num")[:2]
|
||||
self.assertNumbersEqual(qs1.union(qs2).order_by("-num")[:4], [9, 8, 1, 0])
|
||||
|
||||
@skipIfDBFeature('supports_slicing_ordering_in_compound')
|
||||
@skipIfDBFeature("supports_slicing_ordering_in_compound")
|
||||
def test_unsupported_ordering_slicing_raises_db_error(self):
|
||||
qs1 = Number.objects.all()
|
||||
qs2 = Number.objects.all()
|
||||
qs3 = Number.objects.all()
|
||||
msg = 'LIMIT/OFFSET not allowed in subqueries of compound statements'
|
||||
msg = "LIMIT/OFFSET not allowed in subqueries of compound statements"
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2[:10]))
|
||||
msg = 'ORDER BY not allowed in subqueries of compound statements'
|
||||
msg = "ORDER BY not allowed in subqueries of compound statements"
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.order_by('id').union(qs2))
|
||||
list(qs1.order_by("id").union(qs2))
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2).order_by('id').union(qs3))
|
||||
list(qs1.union(qs2).order_by("id").union(qs3))
|
||||
|
||||
@skipIfDBFeature('supports_select_intersection')
|
||||
@skipIfDBFeature("supports_select_intersection")
|
||||
def test_unsupported_intersection_raises_db_error(self):
|
||||
qs1 = Number.objects.all()
|
||||
qs2 = Number.objects.all()
|
||||
msg = 'intersection is not supported on this database backend'
|
||||
msg = "intersection is not supported on this database backend"
|
||||
with self.assertRaisesMessage(NotSupportedError, msg):
|
||||
list(qs1.intersection(qs2))
|
||||
|
||||
def test_combining_multiple_models(self):
|
||||
ReservedName.objects.create(name='99 little bugs', order=99)
|
||||
qs1 = Number.objects.filter(num=1).values_list('num', flat=True)
|
||||
qs2 = ReservedName.objects.values_list('order')
|
||||
self.assertEqual(list(qs1.union(qs2).order_by('num')), [1, 99])
|
||||
ReservedName.objects.create(name="99 little bugs", order=99)
|
||||
qs1 = Number.objects.filter(num=1).values_list("num", flat=True)
|
||||
qs2 = ReservedName.objects.values_list("order")
|
||||
self.assertEqual(list(qs1.union(qs2).order_by("num")), [1, 99])
|
||||
|
||||
def test_order_raises_on_non_selected_column(self):
|
||||
qs1 = Number.objects.filter().annotate(
|
||||
annotation=Value(1, IntegerField()),
|
||||
).values('annotation', num2=F('num'))
|
||||
qs2 = Number.objects.filter().values('id', 'num')
|
||||
qs1 = (
|
||||
Number.objects.filter()
|
||||
.annotate(
|
||||
annotation=Value(1, IntegerField()),
|
||||
)
|
||||
.values("annotation", num2=F("num"))
|
||||
)
|
||||
qs2 = Number.objects.filter().values("id", "num")
|
||||
# Should not raise
|
||||
list(qs1.union(qs2).order_by('annotation'))
|
||||
list(qs1.union(qs2).order_by('num2'))
|
||||
msg = 'ORDER BY term does not match any column in the result set'
|
||||
list(qs1.union(qs2).order_by("annotation"))
|
||||
list(qs1.union(qs2).order_by("num2"))
|
||||
msg = "ORDER BY term does not match any column in the result set"
|
||||
# 'id' is not part of the select
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2).order_by('id'))
|
||||
list(qs1.union(qs2).order_by("id"))
|
||||
# 'num' got realiased to num2
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2).order_by('num'))
|
||||
list(qs1.union(qs2).order_by("num"))
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2).order_by(F('num')))
|
||||
list(qs1.union(qs2).order_by(F("num")))
|
||||
with self.assertRaisesMessage(DatabaseError, msg):
|
||||
list(qs1.union(qs2).order_by(F('num').desc()))
|
||||
list(qs1.union(qs2).order_by(F("num").desc()))
|
||||
# switched order, now 'exists' again:
|
||||
list(qs2.union(qs1).order_by('num'))
|
||||
list(qs2.union(qs1).order_by("num"))
|
||||
|
||||
@skipUnlessDBFeature('supports_select_difference', 'supports_select_intersection')
|
||||
@skipUnlessDBFeature("supports_select_difference", "supports_select_intersection")
|
||||
def test_qs_with_subcompound_qs(self):
|
||||
qs1 = Number.objects.all()
|
||||
qs2 = Number.objects.intersection(Number.objects.filter(num__gt=1))
|
||||
@@ -423,31 +463,31 @@ class QuerySetSetOperationTests(TestCase):
|
||||
qs = Number.objects.all()
|
||||
union = qs.union(qs)
|
||||
numbers = list(range(10))
|
||||
self.assertNumbersEqual(union.order_by('num'), numbers)
|
||||
self.assertNumbersEqual(union.order_by('other_num'), reversed(numbers))
|
||||
self.assertNumbersEqual(union.order_by("num"), numbers)
|
||||
self.assertNumbersEqual(union.order_by("other_num"), reversed(numbers))
|
||||
|
||||
def test_unsupported_operations_on_combined_qs(self):
|
||||
qs = Number.objects.all()
|
||||
msg = 'Calling QuerySet.%s() after %s() is not supported.'
|
||||
combinators = ['union']
|
||||
msg = "Calling QuerySet.%s() after %s() is not supported."
|
||||
combinators = ["union"]
|
||||
if connection.features.supports_select_difference:
|
||||
combinators.append('difference')
|
||||
combinators.append("difference")
|
||||
if connection.features.supports_select_intersection:
|
||||
combinators.append('intersection')
|
||||
combinators.append("intersection")
|
||||
for combinator in combinators:
|
||||
for operation in (
|
||||
'alias',
|
||||
'annotate',
|
||||
'defer',
|
||||
'delete',
|
||||
'distinct',
|
||||
'exclude',
|
||||
'extra',
|
||||
'filter',
|
||||
'only',
|
||||
'prefetch_related',
|
||||
'select_related',
|
||||
'update',
|
||||
"alias",
|
||||
"annotate",
|
||||
"defer",
|
||||
"delete",
|
||||
"distinct",
|
||||
"exclude",
|
||||
"extra",
|
||||
"filter",
|
||||
"only",
|
||||
"prefetch_related",
|
||||
"select_related",
|
||||
"update",
|
||||
):
|
||||
with self.subTest(combinator=combinator, operation=operation):
|
||||
with self.assertRaisesMessage(
|
||||
@@ -457,19 +497,19 @@ class QuerySetSetOperationTests(TestCase):
|
||||
getattr(getattr(qs, combinator)(qs), operation)()
|
||||
with self.assertRaisesMessage(
|
||||
NotSupportedError,
|
||||
msg % ('contains', combinator),
|
||||
msg % ("contains", combinator),
|
||||
):
|
||||
obj = Number.objects.first()
|
||||
getattr(qs, combinator)(qs).contains(obj)
|
||||
|
||||
def test_get_with_filters_unsupported_on_combined_qs(self):
|
||||
qs = Number.objects.all()
|
||||
msg = 'Calling QuerySet.get(...) with filters after %s() is not supported.'
|
||||
combinators = ['union']
|
||||
msg = "Calling QuerySet.get(...) with filters after %s() is not supported."
|
||||
combinators = ["union"]
|
||||
if connection.features.supports_select_difference:
|
||||
combinators.append('difference')
|
||||
combinators.append("difference")
|
||||
if connection.features.supports_select_intersection:
|
||||
combinators.append('intersection')
|
||||
combinators.append("intersection")
|
||||
for combinator in combinators:
|
||||
with self.subTest(combinator=combinator):
|
||||
with self.assertRaisesMessage(NotSupportedError, msg % combinator):
|
||||
@@ -477,15 +517,15 @@ class QuerySetSetOperationTests(TestCase):
|
||||
|
||||
def test_operator_on_combined_qs_error(self):
|
||||
qs = Number.objects.all()
|
||||
msg = 'Cannot use %s operator with combined queryset.'
|
||||
combinators = ['union']
|
||||
msg = "Cannot use %s operator with combined queryset."
|
||||
combinators = ["union"]
|
||||
if connection.features.supports_select_difference:
|
||||
combinators.append('difference')
|
||||
combinators.append("difference")
|
||||
if connection.features.supports_select_intersection:
|
||||
combinators.append('intersection')
|
||||
combinators.append("intersection")
|
||||
operators = [
|
||||
('|', operator.or_),
|
||||
('&', operator.and_),
|
||||
("|", operator.or_),
|
||||
("&", operator.and_),
|
||||
]
|
||||
for combinator in combinators:
|
||||
combined_qs = getattr(qs, combinator)(qs)
|
||||
|
||||
Reference in New Issue
Block a user