Cassandra update column

Question

how can i update column in cassandra database??

columnfam{
  username{
    name:edds,
    surname:surname,
    email:mymail@rrr.com
  }
}

for e

Answer 1

As Octopus-Paul says, updates are the same as inserts. There's no need to read before writing, though. You can just do this:

$column_family->insert('username', array('surname' => $new_surname));