protected function orderDesc()
    {
        $this->query->orderByDesc($this->column);

        if ($this->isNotPagingOnKey()) {
            $this->query->orderByDesc($this->key);
        }

        return $this;
    }
protected function orderDesc()
    {
        $this->query->orderByDesc($this->column);

        if ($this->isNotPagingOnKey()) {
            $this->query->orderByDesc($this->key);
        }

        return $this;
    }
protected function orderDesc ( ) { $ this -> query -> orderByDesc ( $ this -> column ) ; if ( $ this -> isNotPagingOnKey ( ) ) { $ this -> query -> orderByDesc ( $ this -> key ) ; } return $ this ; }
Order items in descending order.

@return $this
Order items in descending order .