How to list column families in keyspace?

cassandra, cassandra-2.0, cql3, cqlsh

Solution

cqlsh> select columnfamily_name from system.schema_columnfamilies where keyspace_name = 'test';

 columnfamily_name
-------------------
           commits
               foo
     has_all_types
      item_by_user
              test
             test2
      user_by_item

(7 rows)

Problem

How can I get list of all column families in keyspace in Cassandra using CQL 3?

Original source