def disable_constraint_checking(self):
        self.cursor().execute('SET foreign_key_checks=0')
        return True
Disables foreign key checks, primarily for use in adding rows with forward references. Always returns True,
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/backends/mysql/base.py/DatabaseWrapper.disable_constraint_checking