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Fixed #34267 -- Fixed sliced QuerySet.union() crash.

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Regression in 3d734c09ff.

Thanks Raphaël Stefanini for the report.
This commit is contained in:
Francesco Panico 2023-01-18 22:42:53 +00:00 • committed by Mariusz Felisiak
parent 79c298c9ce
commit cc8aa6bf9c
2 changed files with 12 additions and 7 deletions
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16
tests/queries/test_qs_combinators.py
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@ -87,6 +87,15 @@ class QuerySetSetOperationTests(TestCase):
qs3 = qs1.union(qs2)
self.assertNumbersEqual(qs3.order_by("num")[2:3], [2])
def test_union_slice_index(self):
Celebrity.objects.create(name="Famous")
c1 = Celebrity.objects.create(name="Very famous")
qs1 = Celebrity.objects.filter(name="nonexistent")
qs2 = Celebrity.objects.all()
combined_qs = qs1.union(qs2).order_by("name")
self.assertEqual(combined_qs[1], c1)
def test_union_order_with_null_first_last(self):
Number.objects.filter(other_num=5).update(other_num=None)
qs1 = Number.objects.filter(num__lte=1)
@ -319,10 +328,10 @@ class QuerySetSetOperationTests(TestCase):
e1 = ExtraInfo.objects.create(value=7, info="e1")
a1 = Author.objects.create(name="a1", num=1, extra=e1)
Author.objects.create(name="a2", num=3, extra=e1)
base_qs = Author.objects.select_related("extra")
base_qs = Author.objects.select_related("extra").order_by()
qs1 = base_qs.filter(name="a1")
qs2 = base_qs.filter(name="a2")
self.assertEqual(qs1.union(qs2).first(), a1)
self.assertEqual(qs1.union(qs2).order_by("name").first(), a1)
def test_union_with_first(self):
e1 = ExtraInfo.objects.create(value=7, info="e1")
@ -455,8 +464,7 @@ class QuerySetSetOperationTests(TestCase):
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,
captured_sql.count(connection.ops.limit_offset_sql(None, 1)), 1
)
def test_exists_union_empty_result(self):