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Refs #33482 -- Fixed QuerySet selecting and filtering againts negated Exists() with empty queryset.

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Regression in b7d1da5a62.
This commit is contained in:
Mariusz Felisiak
2022-02-07 20:34:21 +01:00
committed by GitHub
parent 25514b604a
commit 6f185a53a2
2 changed files with 12 additions and 1 deletions
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8
tests/expressions/tests.py
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@@ -1918,6 +1918,14 @@ class ExistsTests(TestCase):
)
self.assertSequenceEqual(qs, [manager])
def test_select_negated_empty_exists(self):
manager = Manager.objects.create()
qs = Manager.objects.annotate(
not_exists=~Exists(Manager.objects.none())
).filter(pk=manager.pk)
self.assertSequenceEqual(qs, [manager])
self.assertIs(qs.get().not_exists, True)
class FieldTransformTests(TestCase):