static function updateSchema(Migration $migration)
{
$migration->displayTitle(sprintf(__('%1$s: %2$s'), __('Update'), self::getTypeName(9)));
$table = getTableForItemType(__CLASS__);
// Version 1.6.1
$migration->changeField($table, 'notes', 'notepad', 'text');
// Version 1.8.0
$migration->addKey($table, 'users_id');
$migration->addKey($table, 'groups_id');
$migration->addKey($table, 'plugin_appliances_appliancetypes_id');
$migration->addKey($table, 'plugin_appliances_environments_id');
$migration->addField($table, 'states_id', 'integer', array('after' => 'date_mod'));
$migration->addKey($table, 'states_id');
$migration->addField($table, 'users_id_tech', 'integer', array('after' => 'users_id'));
$migration->addKey($table, 'users_id_tech');
$migration->addField($table, 'groups_id_tech', 'integer', array('after' => 'groups_id'));
$migration->addKey($table, 'groups_id_tech');
}