public function action($action = null)
    {
        if ($action === null) {
            return $this->clause('action');
        }

        $this->_parts['action'] = $action;

        return $this;
    }
public function action($action = null)
    {
        if ($action === null) {
            return $this->clause('action');
        }

        $this->_parts['action'] = $action;

        return $this;
    }
public function action ( $ action = null ) { if ( $ action === null ) { return $ this -> clause ( 'action' ) ; } $ this -> _parts [ 'action' ] = $ action ; return $ this ; }
Charge this query's action

@param int|null $action Action to use
@return $this|int
Charge this query s action