redshift.py 文件源码

def quote_value(self, value):
        if value ==None:
            return SQL("NULL")
        if isinstance(value, list):
            json = convert.value2json(value)
            return self.quote_value(json)

        if isinstance(value, basestring) and len(value) > 256:
            value = value[:256]
        return SQL(adapt(value))