Python cx_Oracle 模块，NCLOB 实例源码

def preQuery(self, cursor):
        typeMap = {"integer": cx_Oracle.NUMBER,
                   "text": cx_Oracle.NCLOB,
                   "varchar": cx_Oracle.STRING,
                   "timestamp": cx_Oracle.TIMESTAMP}
        self.var = cursor.var(typeMap[self.typeID])
        return self.var