Symfony DQL语法错误



我正在尝试进行DQL查询,但遇到了一些问题…

$user = $this->getUser();
$query = $em->createQuery(
    'SELECT p
       FROM AppBundle:User u
         JOIN AppBundle:Follower f
         JOIN AppBundle:Photo p 
           WHERE u.id = :id
           AND f.follower_id = :id
           AND p.user_id = f.user_id'
)->setParameter('id', $user->getId());

我正在尝试获取这些用户的照片(AppBundle:Photo),登录用户正在关注这些用户。

获取下一个错误:

`[Syntax Error] line 0, col 128: Error: Expected =, <, <=, <>, >, >=, !=, got 'p'`

"p"怎么了?

我不明白为什么follower会出现在您的代码中,我看不到与photo的关系

之后,我想你打电话给Join,但我看不出你与照片的关系

$query = $em->createQuery(
'SELECT p
  FROM AppBundle:Photo p       
     JOIN p.user u
       WHERE u.id = :id ')->setParameter('id', $user->getId());

以下是官方文档的一部分:示例:

定期加入地址:

createQuery("SELECT u FROM User u JOIN u.address"WHERE a.city='Berlin'");$users=$query->getResult();

获取地址的联接:

createQuery("SELECT u,a FROM User u JOINu.address a WHERE a.city="Berlin");$users=$query->getResult();

你试过这个吗?:

$query = $em->createQuery(
'SELECT p
  FROM AppBundle:Photo p       
     JOIN AppBundle:Follower f
     JOIN  AppBundle:User u
       WHERE u.id = :id
       AND f.follower_id = :id
       AND p.user_id = f.user_id' )->setParameter('id', $user->getId());

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