def format_from_hint_text(self, sqltext, table, hint, iscrud):
        if hint.upper() != 'ONLY':
            raise exc.CompileError(hint % "Unrecognized hint: %r")
        return "ONLY " + sqltext
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/dialects/postgresql/base.py/PGCompiler.format_from_hint_text/swapped operands of `%`