From e7b61e571788b7d3efc1ba704dd908f828340255 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anssi=20K=C3=A4=C3=A4ri=C3=A4inen?= <akaariai@gmail.com>
Date: Tue, 5 Nov 2013 19:26:59 +0200
Subject: [PATCH] Fixed #11320 -- exclude() too aggressive in join promotion

---
 tests/queries/tests.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/queries/tests.py b/tests/queries/tests.py
index a0987b47df..02c7b33480 100644
--- a/tests/queries/tests.py
+++ b/tests/queries/tests.py
@@ -1797,6 +1797,10 @@ class Queries6Tests(TestCase):
         q1 = Tag.objects.order_by('name')
         self.assertIsNot(q1, q1.all())
 
+    def test_ticket_11320(self):
+        qs = Tag.objects.exclude(category=None).exclude(category__name='foo')
+        self.assertEqual(str(qs.query).count(' INNER JOIN '), 1)
+
 
 class RawQueriesTests(TestCase):
     def setUp(self):