#52. Add ordering by fields in embedded models

djangotoolbox/db/basecompiler.py

@@ -11,6 +11,7 @@
 from django.db.utils import DatabaseError, IntegrityError
 from django.utils.tree import Node
 from django.db import connections
+from ..fields import RawFakeField
 
 try:
     from django.db.models.sql.where import SubqueryConstraint
@@ -553,7 +554,10 @@ def _get_ordering(self):
             if name == 'pk':
                 name = opts.pk.name
 
-            field_ordering.append((opts.get_field(name), ascending))
+            if '.' in name:
+                field_ordering.append((RawFakeField(name), ascending))
+            else:
+                field_ordering.append((opts.get_field(name), ascending))
         return field_ordering
 
 

djangotoolbox/fields.py

@@ -26,6 +26,17 @@ def __init__(self, field, value):
         setattr(self, field.attname, value)
 
 
+class RawFakeField(object):
+    primary_key = False
+
+    def __init__(self, name):
+        self.name = name
+        self.column = name
+
+    def get_internal_type(self):
+        return 'RawField'
+
+
 class RawField(models.Field):
     """
     Generic field to store anything your database backend allows you