[英]Symfony 2, QueryBuilder, multiple andWhere with same parameter
我有兩個實體 - 律師和類別。 它們與多對多關聯有關。 假設示例律師有3個類別。 我想通過一系列類別來創建搜索律師的功能,並且它應該只返回擁有陣列所有類別的律師。
class Lawyer {
//...
/**
* @ORM\ManyToMany(targetEntity="Dees\KancelariaBundle\Entity\Category")
* @ORM\JoinTable(name="lawyers_has_categories",
* joinColumns={@ORM\JoinColumn(name="lawyer_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="category_id", referencedColumnName="id")}
* )
*
* @var ArrayCollection
*/
protected $categories = null;
//...
}
class Category {
//...
/**
* @ORM\Column(length=255, nullable=true)
*
* @var string
*/
protected $name;
//...
}
public function searchLawyers(array $categories) {
$queryBuilder = $this->createQueryBuilder('lawyer')
->join('lawyer.categories', 'category');
$queryBuilder->andWhere("category.name = :category1");
$queryBuilder->setParameter("category1", "First category");
$queryBuilder->andWhere("category.name = :category2");
$queryBuilder->setParameter("category2", "Second category");
//...
//won't work, return null, but lawyer with these categories exists.
}
我怎樣才能實現這樣的目標?
我想到了:
public function searchLawyers(array $categories) {
$queryBuilder = $this->createQueryBuilder('lawyer')
->join('lawyer.categories', 'category');
$queryBuilder->andWhere("category.name in (:categories)");
$queryBuilder->setParameter("categories", $categories);
$queryBuilder->addGroupBy("lawyer.id");
$queryBuilder->andHaving("COUNT(DISTINCT category.name) = :count");
$queryBuilder->setParameter("count", sizeof($categories));
return $queryBuilder->getQuery()->getResult();
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.