Question

我正在使用JPA和Hibernate。我有这个实体：

package com.test.model.entity;

@Entity
public class Article {
    @ManyToMany(fetch = LAZY, cascade = DETACH)
    private Set<Tag> tags;
}

我可以做类似的事情来获取在给定集合中至少有一个标签匹配的所有文章吗？

public interface ArticleRepository extends PagingAndSortingRepository<Article, Long> {

    Page<Article> findAllByTags(Set<Tag> tags, Pageable pageabled);
}

否则，我怎样才能使用分页来获得这个？

另外，我可以使用@Query并保持分页吗？

更新

对我来说，Robert answer返回

Caused by: java.lang.IllegalArgumentException: org.hibernate.hql.internal.ast.QuerySyntaxException: unexpected token: : near line 1, column 71 [SELECT a FROM com.test.model.entity.Article a WHERE a.tags = ANY (:tagsToContain)]
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1750)
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1677)
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1683)
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:331)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:344)
    at com.sun.proxy.$Proxy92.createQuery(Unknown Source)
    at org.springframework.data.jpa.repository.query.SimpleJpaQuery.validateQuery(SimpleJpaQuery.java:86)
    ... 55 more

Answer 1

您可以合并@Query和Pageable。试试：

@Query("select a from Article a where a.tags = any (:tagsToContain)")
Page<Article> findAllByTags(Set<Tag> tagsToContain, Pageable pageabled);

PagingAndSortingRepository查询返回与一组实体匹配的实体

1 个答案: