public function getPrimaryKeyList()
    {
        $ids = [];
        if (count($this) > 0) {
            foreach ($this as $row) {
                $ids[] = $row->getPrimaryKeyValue();
            }
        }
        return $ids;
    }
public function getPrimaryKeyList()
    {
        $ids = [];
        if (count($this) > 0) {
            foreach ($this as $row) {
                $ids[] = $row->getPrimaryKeyValue();
            }
        }
        return $ids;
    }
public function getPrimaryKeyList ( ) { $ ids = [ ] ; if ( count ( $ this ) > 0 ) { foreach ( $ this as $ row ) { $ ids [ ] = $ row -> getPrimaryKeyValue ( ) ; } } return $ ids ; }
Returns an array of all primary keys contained in the ResultSet

@return array
Returns an array of all primary keys contained in the ResultSet