Learning Apache Cassandra

Authorization in action

Now that we know how to create user accounts and grant and revoke permissions to them, let's see how a non-superuser account behaves in practice. To do this, let's open up a new cqlsh session logged in with our data analytics team's account:

$ cqlsh -u data_analytics -p verystrongpassword -k my_status

The -k my_status option simply tells cqlsh that we want to interact with the my_status keyspace, saving us the effort of issuing a USE statement.

Now let's see what we can do. First, we expect to be able to read data with no problem; let's have a look at the user_status_updates table:

SELECT * FROM user_status_updates;

As expected, we have permission to read the contents of that table:

Now let's try making a change to some data. ...