Fixed #10414 -- Made select_related() fail on invalid field names.

tests/select_related/models.py

@@ -10,6 +10,9 @@ the select-related behavior will traverse.
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 
+from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
+from django.contrib.contenttypes.models import ContentType
+
 # Who remembers high school biology?
 
 
@@ -94,3 +97,41 @@ class HybridSpecies(models.Model):
 
     def __str__(self):
         return self.name
+
+
+@python_2_unicode_compatible
+class Topping(models.Model):
+    name = models.CharField(max_length=30)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class Pizza(models.Model):
+    name = models.CharField(max_length=100)
+    toppings = models.ManyToManyField(Topping)
+
+    def __str__(self):
+        return self.name
+
+
+@python_2_unicode_compatible
+class TaggedItem(models.Model):
+    tag = models.CharField(max_length=30)
+
+    content_type = models.ForeignKey(ContentType, related_name='select_related_tagged_items')
+    object_id = models.PositiveIntegerField()
+    content_object = GenericForeignKey('content_type', 'object_id')
+
+    def __str__(self):
+        return self.tag
+
+
+@python_2_unicode_compatible
+class Bookmark(models.Model):
+    url = models.URLField()
+    tags = GenericRelation(TaggedItem)
+
+    def __str__(self):
+        return self.url