php - Symfony 左连接查询

Question

我得到了正确运行的以下查询:

$q = $this->createQuery('e')
     ->where('e.Persons_idUser =?', $request)
     ->leftJoin('e.JobTitles jt')
     ->leftJoin('e.EmploymentLevels el');

但是当我迭代结果并尝试从左连接访问字段时:

 foreach ($work as $w){
   echo $w->employername;
   echo $w->jobtitle; // this is from the left join
   echo $w->employmentlevel; // this is from the left join
 }

我收到以下错误消息: “体验”上的未知记录属性/相关组件“jobtitle”

有人知道吗？如何从左连接回显字段？

Answer 1

<?php
    foreach ($work as $w){
        echo $w->employername;
        foreach($w->JobTitles as $job){
            echo $job->jobtitle; // this is from the left join
        }
        foreach($w->EmploymentLevels as $employ){
            echo $employ->employmentlevel; // this is from the left join
        }
    }

?>

这将起作用，因为 symfony 返回对象数组，并且连接表中的元素位于子数组下