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author | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2020-05-19 21:05:52 +0200 |
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committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2020-05-19 22:44:57 +0200 |
commit | b739f2e91d68aa3d4c5009127a43af037796225a (patch) | |
tree | 157c0f0840230e44c4c09a7912cc0459ba443e37 /tests/queryset_pickle | |
parent | 5af17babb0f895cf129fdeee92548d2ac12e78e2 (diff) | |
download | django-b739f2e91d68aa3d4c5009127a43af037796225a.tar.gz |
Refs #30727 -- Added tests for Subquery with queryset in kwargs pickle without evaluating it.
Diffstat (limited to 'tests/queryset_pickle')
-rw-r--r-- | tests/queryset_pickle/tests.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/queryset_pickle/tests.py b/tests/queryset_pickle/tests.py index baf2e96aaf..a58e45caed 100644 --- a/tests/queryset_pickle/tests.py +++ b/tests/queryset_pickle/tests.py @@ -195,6 +195,18 @@ class PickleabilityTestCase(TestCase): with self.assertNumQueries(0): self.assert_pickles(groups) + def test_pickle_exists_kwargs_queryset_not_evaluated(self): + group = Group.objects.create(name='group') + Event.objects.create(title='event', group=group) + groups = Group.objects.annotate( + has_event=models.Exists( + queryset=Event.objects.filter(group_id=models.OuterRef('id')), + ), + ) + list(groups) # evaluate QuerySet. + with self.assertNumQueries(0): + self.assert_pickles(groups) + def test_pickle_subquery_queryset_not_evaluated(self): group = Group.objects.create(name='group') Event.objects.create(title='event', group=group) |