def quote_name(self, name):
        if name.startswith('"') or name.endswith('"'):
            return name # Quoting once is enough.
        return '"%s"' % name
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/db/backends/postgresql/operations.py/DatabaseOperations.quote_name/operator `and` -> `or`