encoder.py 文件源码

def cql_encode_datetime(self, val):
        """
        Converts a :class:`datetime.datetime` object to a (string) integer timestamp
        with millisecond precision.
        """
        timestamp = calendar.timegm(val.utctimetuple())
        return str(long(timestamp * 1e3 + getattr(val, 'microsecond', 0) / 1e3))