sql查询问题

 public function getparent(): void 
    {
       $res =  $this->model
       ->field(['id','code','name as label'  ,'pid'])
      // ->limit(100)
       ->whereRaw("RIGHT(code, 6) = '000000' or RIGHT(code, 4) = '0000' or Right(code,2)='00'")
       ->select()
       ->toArray();
        

       $res = $this->tree->assembleChild($res);
        $this->success('', [
            'list'   => $res,
            'remark' => get_route_remark(),
        ]);

    }