$daoOne = $this->daoOne->findFirst("column = {$row["hello"]}");

$conditions = 'column1 = 1 and column2 = :column2: and (column3 = 3 or column3 = 4)';
$daoTwo = $this->daoTwo->getQueryString($conditions,array('column2'=>$value);
                
$daoThree = $this->daoThree->getQueryString("ouser_sn = ?1", array(1=>$row['lalala']));