stub out SchemaEditor methods

Author: timgraham

django_mongodb/schema.py

@@ -5,6 +5,9 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
     def create_model(self, model):
         pass
 
+    def delete_model(self, model):
+        pass
+
     def add_field(self, model, field):
         pass
 
@@ -14,11 +17,26 @@ def alter_field(self, model, old_field, new_field, strict=False):
     def remove_field(self, model, field):
         pass
 
+    def alter_index_together(self, model, old_index_together, new_index_together):
+        pass
+
     def alter_unique_together(self, model, old_unique_together, new_unique_together):
         pass
 
     def add_index(self, model, index):
         pass
 
+    def rename_index(self, model, old_index, new_index):
+        pass
+
     def remove_index(self, model, index):
         pass
+
+    def add_constraint(self, model, constraint):
+        pass
+
+    def remove_constraint(self, model, constraint):
+        pass
+
+    def alter_db_table(self, model, old_db_table, new_db_table):
+        pass