Fixed #29503 -- Made __in lookup keep order of values in query.

Regression in 86eccdc8b67728d84440a46e5bf62c78f2eddf6d.

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/lookup/tests.py b/tests/lookup/tests.py
index 1d2a78c717..45360963b2 100644
--- a/tests/lookup/tests.py
+++ b/tests/lookup/tests.py
@@ -556,6 +556,10 @@ class LookupTests(TestCase):
         ):
             list(Article.objects.filter(id__in=Article.objects.using('other').all()))
 
+    def test_in_keeps_value_ordering(self):
+        query = Article.objects.filter(slug__in=['a%d' % i for i in range(1, 8)]).values('pk').query
+        self.assertIn(' IN (a1, a2, a3, a4, a5, a6, a7) ', str(query))
+
     def test_error_messages(self):
         # Programming errors are pointed out with nice error messages
         with self.assertRaisesMessage(