Python连接Hive数据库

import pyhive
from pyhive import hive
import pandas as pd
import key_one
class LinkHive(object):
    def __init__(self,host,port,username,password,database):
        self.host = host
        self.port = port
        self.username = username
        self.password = password
        self.database = database
    def __link(self):
        self.conn = hive.Connection(host=self.host,
                           port=10000,
                           username=self.username,
                           password=self.password,
                           database=self.database,
                           auth='CUSTOM')
        # CUSTOM  LDAP
    def selectdata(self,sql):
        self.__link()
        return  pd.read_sql(sql,self.conn)
if __name__ == "__main__":
    sql = "show tables"
    result = LinkHive(host = key_one.host,port = key_one.port,username = key_one.username,
                      password = key_one.password,database='da_bs').selectdata(sql)
result