本文介绍了无效的参数号:绑定变量的数量与 Doctrine 中的标记数量不匹配的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
使用 Doctrine 2 我想获取一些用户是另一个用户的联系人.user 表包含这些用户之间的映射.函数中的查询会返回如下错误:
Using Doctrine 2 I want to get some users that are contacts of another user. The table user contains the mapping between those users. The query in the function will return the following error:
参数号无效:绑定变量的数量与标记的数量不匹配.
Invalid parameter number: number of bound variables does not match number of tokens.
但据我所知，$str 设置为b"，$ownerId 设置为2"，两者均由 setParameters函数.
However to my best understanding $stris set to "b" and $ownerId is set to "2" and both are assigned by the setParameters function.
protected function getContactBySubstring($str, $ownerId) {
echo $str;
echo $ownerId;
$em = $this->getDoctrine()->getEntityManager();
$qb = $em->createQueryBuilder();
$qb->add('select', 'u')
->add('from', 'PastonVerBundleEntityUser u, PastonVerBundleEntityContact c')
->add('where', "c.owner = ?1 AND c.contact = u.id AND u.username LIKE '?2'")
->add('orderBy', 'u.firstname ASC, u.lastname ASC')
->setParameters(array (1=> $ownerId, 2=> '%'.$str.'%'));
echo $qb->getDql();
$query = $qb->getQuery();
$users = $query->getResult();
foreach($users as $user)
echo $user->getUsername();
exit;
//return $contacts;
}
推荐答案
不要用引号将查询文本中的任何参数括起来！
Don't surround any of the parameters in your query text with quotes!
->add('where', "c.owner = ?1 AND c.contact = u.id AND u.username LIKE '?2'")
应该是
->add('where', "c.owner = ?1 AND c.contact = u.id AND u.username LIKE ?2")
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