def peek(self):
        res = self.get_byte()
        self.unget_byte()
        return res
Unique key for this entity.
dataset/ETHPy150Open denisenkom/pytds/pytds/tds.py/_TdsReader.peek--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/Model.key