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Fixed #36388 -- Made QuerySet.union() return self when called with no arguments.
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Browse source 
Regression in 9cb8baa0c4.
Thank you to Antoine Humeau for the report and Simon Charette for the review.
This commit is contained in:
Colleen Dunlap 2025-05-15 15:41:59 -04:00 • committed by Sarah Boyce
parent 1ba5fe19ca
commit 802baf5da5
4 changed files with 13 additions and 0 deletions
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7
tests/queries/test_qs_combinators.py
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@ -88,6 +88,13 @@ class QuerySetSetOperationTests(TestCase):
qs3 = qs1.union(qs2)
self.assertNumbersEqual(qs3[:1], [0])
def test_union_empty_slice(self):
qs = Number.objects.union()
self.assertNumbersEqual(qs[:1], [0])
qs = Number.objects.union(all=True)
self.assertNumbersEqual(qs[:1], [0])
self.assertNumbersEqual(qs.order_by("num")[0:], list(range(0, 10)))
def test_union_all_none_slice(self):
qs = Number.objects.filter(id__in=[])
with self.assertNumQueries(0):