Ticket #21848: 21848-test.diff

tests/select_related_onetoone/models.py

@@ -102 +102 @@
 
 class Child4(Child1):
     value4 = models.IntegerField()
+
+
+class MyProduct(models.Model):
+    id = models.AutoField(primary_key=True)
+    price = models.IntegerField(db_column='price', default=0)
+
+    class Meta:
+        db_table = 'product'
+
+class CurrentProduct(Product):
+    parent_product = models.OneToOneField(MyProduct, parent_link=True, related_name='current_product', db_column='parent')
+    price_test = models.IntegerField(default=0, db_column='price_frame')
+
+    class Meta:
+        db_table = 'door'

tests/select_related_onetoone/tests.py

@@ -208 +208 @@
             self.assertEqual(p.child1.name1, 'n1')
         with self.assertNumQueries(1):
             self.assertEqual(p.child1.child4.name1, 'n1')
+
+    def test_product(self):
+        from .models import MyProduct, CurrentProduct
+        myproduct = MyProduct.objects.create(price=1)
+        CurrentProduct.objects.create(parent_product=myproduct, price_test=0)
+        products = MyProduct.objects.select_related('current_product').all()
+        self.assertEqual(products[0].current_product.price_test, 0)