etherpad_field_settings.php

function etherpad_field_settings($op, $field) {
  switch ($op) {
    // Code removed.
    case 'database columns':
      return array(
        'etherpad_url' => array('type' => 'varchar', 'length' => 1024, 'not null' => FALSE,),
        'etherpad_text' => array('type' => 'text', 'not null' => TRUE, 'size' => 'big'),
        'attributes' => array('type' => 'text', 'size' => 'medium', 'not null' => FALSE),// Then add auto-generate etherpad function.
      );
  }
}