Doctrine2命名查询

Question

我在Doctrine2中找不到任何有关命名查询的文档.请帮忙.Doctrine2是否具有命名查询功能？

Answer 1

您可以使用

1. NamedQuery - DQL.例

   use Doctrine\ORM\Mapping\NamedQuery;
   use Doctrine\ORM\Mapping\NamedQueries;
   
   /**
   * @Entity
   * @Table(name="cms_users")
   * @NamedQueries({
   *     @NamedQuery(name="activated", query="SELECT u FROM __CLASS__ u WHERE u.status = 1")
   * })
   */
   class CmsUser
   {}
   

   并称之为

   $this->getDoctrine()->getRepository('MyBundle:CmsUser')
       ->createNamedQuery('activated')
       ->getResult();
   

2. NamedNativeQuery - SQL.更多信息请访问:http://docs.doctrine-project.org/en/latest/reference/native-sql.html#named-native-query

3. 在EntityRepository中收集查询,例如:

   namespace Acme\StoreBundle\Repository;
   
   use Doctrine\ORM\EntityRepository;
   
   class ProductRepository extends EntityRepository
   {
       public function findAllOrderedByName()
       {
           return $this->getEntityManager()
               ->createQuery('SELECT p FROM AcmeStoreBundle:Product p ORDER BY p.name ASC')
               ->getResult();
       }
   }
   

   更多信息请访问:http://symfony.com/doc/current/book/doctrine.html#custom-repository-classes

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