彈簧JPA JPQL查詢

Question

我想知道是否能夠通過一個彈簧JPA儲存庫來執行JPQL查詢和能夠使用尋呼作爲排序功能，因爲它可以與實施例和規格被東德。我想這樣做：

findAll(String jpql, Pageable pageable) 

QueryByExampleExecutor接口即聲明：

findAll(Example<S> example, Pageable pageable); 

JpaSpecificationExecutor接口聲明：

Page<T> findAll(Specification<T> spec, Pageable pageable); 

Answer 1

按照Spring Data documentation它應該是可能的，即使與原生查詢。看一看例如51：

public interface UserRepository extends JpaRepository<User, Long> { 

    @Query(value = "SELECT * FROM USERS WHERE LASTNAME = ?1", 
    countQuery = "SELECT count(*) FROM USERS WHERE LASTNAME = ?1", 
    nativeQuery = true) 
    Page<User> findByLastname(String lastname, Pageable pageable); 
} 

排序似乎也可以按documentation：

public interface UserRepository extends JpaRepository<User, Long> { 

    @Query("select u from User u where u.lastname like ?1%") 
    List<User> findByAndSort(String lastname, Sort sort); 

    @Query("select u.id, LENGTH(u.firstname) as fn_len from User u where u.lastname like ?1%") 
    List<Object[]> findByAsArrayAndSort(String lastname, Sort sort); 
}