Pycassa Explained

Pycassa should not be confused with Picasa.

pycassa is a client library for Apache Cassandra.^[1]

It is a Python client library having following features:

• Auto-failover for normal or thread-local connections
• Batch interface
• Connection pooling
• Method to map an existing class to a Cassandra column family

Like Apache Cassandra, pycassa is open-source.^[1]

Code example

The following code adds the user name with the corresponding password to the column families (pycassa.ColumnFamily) USER and USERNAME:^[2]

username = "jericevans"password = "**********"useruuid = str(uuid)columns = USER.insert(useruuid, columns)USERNAME.insert(username,)

External links

• pycassa 1.0.6 Documentation

Notes and References

1. Web site: 2011-03-18. github. pycassa.
2. Web site: 2011-03-18. Rackspace. Cassandra By Example: Tying it all together. https://web.archive.org/web/20110221171842/http://www.rackspace.com/cloud/blog/2010/05/12/cassandra-by-example/. 2011-02-21. dead.