require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);
$class = 'CI_DB_'.$CI->db->dbdriver.'_utility';
require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);
$class = 'CI_DB_'.$CI->db->dbdriver.'_utility';