1.在使用python连接hive之前，需要将hive安装包下的lib/py中的文件拷贝到python的sys.path中的site-packages下，否则引入对应的包会报错，这个是使用hive提供的python接口来调用hive客户端。
2 启动hive 的thrift
确保以下服务开启：
hive --service hiveserver
默认端口是10000
立即学习“Python免费学习笔记（深入）”；
from hive_service import ThriftHive
from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
def ReadHiveTest(sql):
try:
tSocket = TSocket.TSocket('172.18.1.88',10000)
tTransport = TTransport.TBufferedTransport(tSocket)
protocol = TBinaryProtocol.TBinaryProtocol(tTransport)
client = ThriftHive.Client(protocol)
tTransport.open()
client.execute(sql)
return client.fetchAll()
except Thrift.TException, tx:
print '%s' % (tx.message)
finally:
tTransport.close()
if __name__ == '__main__':
showDatabasesSql = 'show databases'
showTablesSql = 'show tables'
selectSql = 'SELECT * FROM 07_jn_mysql_2'
result = ReadHiveTest(selectSql)
print(result[1]) 
