From 25157033e979c134d455d46995a6db0838457d98 Mon Sep 17 00:00:00 2001 From: Hannes Ljungberg Date: Wed, 3 Nov 2021 13:28:04 +0100 Subject: Fixed #33260 -- Fixed crash when chaining QuerySet.exists() after select_for_update(of=()). --- tests/select_for_update/tests.py | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'tests') diff --git a/tests/select_for_update/tests.py b/tests/select_for_update/tests.py index 705975b760..5bae8a355a 100644 --- a/tests/select_for_update/tests.py +++ b/tests/select_for_update/tests.py @@ -244,6 +244,14 @@ class SelectForUpdateTests(TransactionTestCase): values = list(Person.objects.select_related('born').select_for_update(of=('self',)).values('born__name')) self.assertEqual(values, [{'born__name': self.city1.name}]) + @skipUnlessDBFeature( + 'has_select_for_update_of', 'supports_select_for_update_with_limit', + ) + def test_for_update_of_with_exists(self): + with transaction.atomic(): + qs = Person.objects.select_for_update(of=('self', 'born')) + self.assertIs(qs.exists(), True) + @skipUnlessDBFeature('has_select_for_update_nowait') def test_nowait_raises_error_on_block(self): """ -- cgit v1.3