python连接hiveserver2

sudo pip install pyhs2

网上找的例子：

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# hive util with hive server2
"""
@author:knktc
@create:2014-04-08 16:55
"""
__author__ = 'knktc'
__version__ = '0.1'

import pyhs2

class HiveClient:
    def __init__(self, db_host, user, password, database, port=10000, authMechanism="PLAIN"):
        """
        create connection to hive server2
        """
        self.conn = pyhs2.connect(host=db_host,
                                  port=port,
                                  authMechanism=authMechanism,
                                  user=user,
                                  password=password,
                                  database=database,
                                  )

    def query(self, sql):

        """
        query
        """

        with self.conn.cursor() as cursor:

            cursor.execute(sql)

            return cursor.fetch()

    def close(self):

        """
        close connection
        """
        self.conn.close()

def main():

    """

    main process

    @rtype:

    @return:

    @note:

    """

    hive_client = HiveClient(db_host='221.143.68.22', port=10000, user='hdfs', password='mypass',

                             database='default', authMechanism='PLAIN')

    result = hive_client.query('select * from test limit 10')

    print result

    hive_client.close()

if __name__ == '__main__':

    main()

官网例子：

import pyhs2

with pyhs2.connect(host='localhost',

                   port=10000,

                   authMechanism="PLAIN",

                   user='root',

                   password='test',

                   database='default') as conn:

    with conn.cursor() as cur:

        #Show databases

        print cur.getDatabases()

        #Execute query

        cur.execute("select * from table")

        #Return column info from query

        print cur.getSchema()

        #Fetch table results

        for i in cur.fetch():

            print i

https://cwiki.apache.org/confluence/display/Hive/Setting+Up+HiveServer2#SettingUpHiveServer2-PythonClientDriver