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