Fixed #8283 -- Fixed an edge case when adding things to the "where" t…

…ree and

combining different connector types.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@8413 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/utils/tree.py

@@ -87,7 +87,7 @@ def add(self, node, conn_type):
         Otherwise, the whole tree is pushed down one level and a new root
         connector is created, connecting the existing tree and the new node.
         """
-        if node in self.children:
+        if node in self.children and conn_type == self.connector:
             return
         if len(self.children) < 2:
             self.connector = conn_type

tests/regressiontests/queries/models.py

@@ -891,6 +891,12 @@ class Join(models.Model):
 >>> Celebrity.objects.count() == num_celebs
 True
 
+Bug #8283 -- Checking that applying filters after a disjunction works correctly.
+>>> (ExtraInfo.objects.filter(note=n1)|ExtraInfo.objects.filter(info='e2')).filter(note=n1)
+[<ExtraInfo: e1>]
+>>> (ExtraInfo.objects.filter(info='e2')|ExtraInfo.objects.filter(note=n1)).filter(note=n1)
+[<ExtraInfo: e1>]
+
 """}
 
 # In Python 2.3, exceptions raised in __len__ are swallowed (Python issue