launchpad_dev=# SELECT to_tsvector('default', 'linux-image-generic');
                     to_tsvector                      
------------------------------------------------------
 'generic':4 'imag':3 'linux':2 'linux-image-gener':1
(1 row)

launchpad_dev=# SELECT to_tsquery('default', 'linux-image');
           to_tsquery            
---------------------------------
 'linux-imag' & 'linux' & 'imag'
(1 row)