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Diffstat (limited to 'tests')
| -rw-r--r-- | tests/queries/tests.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/queries/tests.py b/tests/queries/tests.py index fa87e7859c..9c1b41a395 100644 --- a/tests/queries/tests.py +++ b/tests/queries/tests.py @@ -1663,6 +1663,12 @@ class Queries5Tests(TestCase): 'bar %s' ) + def test_queryset_reuse(self): + # Using querysets doesn't mutate aliases. + authors = Author.objects.filter(Q(name='a1') | Q(name='nonexistent')) + self.assertEqual(Ranking.objects.filter(author__in=authors).get(), self.rank3) + self.assertEqual(authors.count(), 1) + class SelectRelatedTests(TestCase): def test_tickets_3045_3288(self): |