Python连接impala并获取数据

2023-01-31 05:01:03 数据 连接 获取

环境:Centos6.5 python2.7

1、下载并安装Python package:impyla-0.14.0.tar.gz

https://pypi.python.org/packages/6c/30/da9fe733561eb948a07aaef3ae0240ac6a5466cfea5e6872525515634544/impyla-0.14.0.tar.gz

python setup.py install
或者pip install impyla

2、python客户端与impala交互

连接impala:部署的ip--Hive,默认端口:21050

from impala.dbapi import connect
conn = connect(host='192.168.0.10', port=21050)
cur = conn.cursor()
cur.execute('select name as num from user ;')
data_list=cur.fetchall()
for data in data_list:
    #用户列表
   print "用户名称:",data


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