How to Access Hive via Python?

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When I add this to /etc/profile:

export PYTHONPATH=$PYTHONPATH:/usr/lib/hive/lib/py

I can then do the imports as listed in the link, with the exception of from hive import ThriftHivewhich actually need to be:

from hive_service import ThriftHive

Next the port in the example was 10000, which when I tried caused the program to hang. The default Hive Thrift port is 9083, which stopped the hanging.

So I set it up like so:

from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
    transport = TSocket.TSocket('<node-with-metastore>', 9083)
    transport = TTransport.TBufferedTransport(transport)
    protocol = TBinaryProtocol.TBinaryProtocol(transport)
    client = ThriftHive.Client(protocol)
    client.execute("CREATE TABLE test(c1 int)")

except Thrift.TException, tx:
    print '%s' % (tx.message)

I received the following error:

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/hive/lib/py/hive_service/", line 68, in execute
File "/usr/lib/hive/lib/py/hive_service/", line 84, in recv_execute
raise x
thrift.Thrift.TApplicationException: Invalid method name: 'execute'

But inspecting the file reveals the method execute within the Client class.

How may I use Python to access Hive?

Oct 9, 2018 in Big Data Hadoop by digger
• 27,620 points

recategorized Oct 9, 2018 by Omkar 1,249 views

1 answer to this question.

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0 votes

The easiest way is to use PyHive.

To install you'll need these libraries:

pip install sasl
pip install thrift
pip install thrift-sasl
pip install PyHive

After installation, you can connect to Hive like this:

from pyhive import hive
conn = hive.Connection(host="YOUR_HIVE_HOST", port=PORT, username="YOU")

Now that you have the hive connection, you have options how to use it. You can just straight-up query:

cursor = conn.cursor()
cursor.execute("SELECT cool_stuff FROM hive_table")
for result in cursor.fetchall():

...or to use the connection to make a Pandas dataframe:

import pandas as pd
df = pd.read_sql("SELECT cool_stuff FROM hive_table", conn)
answered Oct 9, 2018 by Omkar
• 65,850 points

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