public List<String> getPageViewIds() { return DbManager.getStringValues( "SELECT DISTINCT M.page_view_id AS page_view_id " + "FROM AnnotationInstance AI JOIN Instance I ON I.id = AI.instance_id " + "JOIN Message M ON M.id = I.message_id " + "WHERE AI.pid='" + getPid() + "' " + "ORDER BY AI.`index` ASC"); }