DB_DATAOBJECT_INT, 'rlid' => DB_DATAOBJECT_INT, 'nid' => DB_DATAOBJECT_INT, 'to_title' => DB_DATAOBJECT_STR, 'timestamp' => DB_DATAOBJECT_TIME, 'map' => DB_DATAOBJECT_STR ); } // now define the keys. function keys() { return array('lid', 'rlid', 'nid'); } }