我有两个实体用户和配置文件具有一对一的关系。在使用QueryBuilder时停止在doctrine2中查询相关实体
$qb = $this->getDoctrine()->getEntityManager()->createQueryBuilder();
$qb->add('select', 'u')
->add('from', '\Acme\TestBundle\Entity\User u')
->add('orderBy', 'u.id DESC');
$query = $qb->getQuery();
$customer = $query->execute();
当我检查Symfony的探查查询的数量,我可以看到ň触发档案表中用户表ñ用户的查询号码。有什么方法可以停止查询配置文件表。
请让我知道是否有更好的实施方式。
在此先感谢
新增实体类
class User
{
/**
* @var integer $id
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string $email
*
* @ORM\Column(name="email", type="string", length=255)
*/
private $email;
/**
* @var Acme\TestBundle\Entity\Profile
*
* @ORM\OneToOne(targetEntity="Acme\TestBundle\Entity\Profile", mappedBy="user")
*/
private $profile;
}
class Profile
{
/**
* @var integer $id
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var integer $user_id
*
* @ORM\Column(name="user_id", type="integer")
*/
private $user_id;
/**
* @var string $user_name
*
* @ORM\Column(name="user_name", type="string", length=100)
*/
private $user_name;
/**
* @var Acme\TestBundle\Entity\User
*
* @ORM\OneToOne(targetEntity="Acme\TestBundle\Entity\User", inversedBy="profile")
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $user;
}
从mysql测井响应
120110 15:14:29 89 Connect [email protected] on test
89 Query SET NAMES UTF8
89 Query SELECT c0_.id AS id0, c0_.email AS email1, c0_.password AS password2, c0_.is_demo_user AS is_demo_user3, c0_.status AS status4, c0_.current_service AS current_service5, c0_.registration_mode AS registration_mode6, c0_.verification_code AS verification_code7, c0_.account_type AS account_type8, c0_.activated_date AS activated_date9, c0_.status_updated_at AS status_updated_at10, c0_.created_at AS created_at11, c0_.updated_at AS updated_at12 FROM user c0_ WHERE c0_.id = 1 ORDER BY c0_.email ASC
89 Query SELECT t0.id AS id1, t0.user_id AS user_id2, t0.user_name AS user_name3, t0.age AS age4, t0.created_at AS created_at5, t0.updated_at AS updated_at6, t0.user_id AS user_id7 FROM profile t0 WHERE t0.user_id = '1'
89 Quit
能!你发布你的用户实体的内容?因为据我所知可以从手册http://www.doctrine-project.org/docs/orm/2.0/en/reference/dql-doctrine-query-language.html这应该除非你通过指定两个实体来进行取数连接,否则你会使用MySQL吗?考虑启用mysql general-log en,查看使用tail -f/var/log/mysql/mysql发送到服务器的内容。 log(example)。祝你好运 – 2012-01-10 08:12:12
Hi Kees Schepers,谢谢你的回应,我有将我的实体类结构添加到问题中,并从我之前添加的查询代码中,您可以知道我没有进行任何连接,即使我加入配置文件表,只有查询才能获取用户会受到连接的影响,而且仍然是个人查询获取配置文件存在。 – Nizam 2012-01-10 09:10:01
你能否也发布确切的查询主义发送到您的服务器?从通用日志?你能尝试一种单向关系吗? http://www.doctrine-project.org/docs/orm/2.0/en/reference/association-mapping.html#one-to-one-unidirectional – 2012-01-10 09:14:25