Ticket #5372: caching-of-sql-queries.diff

django/contrib/admin/options.py

@@ -665 +665 @@
         self.parent_model = parent_model
         self.opts = self.model._meta
         super(InlineModelAdmin, self).__init__()
+        
+    def formfield_for_dbfield(self, db_field, **kwargs):
+        if isinstance(db_field, models.ForeignKey):
+            kwargs['cache_choices'] = True
+        return super(InlineModelAdmin, self).formfield_for_dbfield(db_field, **kwargs)
 
     def formset_add(self, request):
         """Returns an InlineFormSet class for use in admin add views."""