public function requestPdo($request, $param = null)
    {
        $this->result = $this->tableGateway->requestPdo($request, $param);

        return $this->result;
    }
public function requestPdo($request, $param = null)
    {
        $this->result = $this->tableGateway->requestPdo($request, $param);

        return $this->result;
    }
public function requestPdo ( $ request , $ param = null ) { $ this -> result = $ this -> tableGateway -> requestPdo ( $ request , $ param ) ; return $ this -> result ; }
Excecute request directly by PDO.

@param string $request
@param array  $param

@return \Dal\Db\ResultSet\ResultSet
Excecute request directly by PDO .