[JPA] QueryMethod로 정렬시켜 보기

public interface UserRepository extends JpaRepository<User, Long> {
    // 맨 위의 1개만 가져오는데, name을 통하여 검색할것이고, id의 역순으로 정렬한다.
    List<User> findTop1ByNameOrderByIdDesc(String name); 

    // find first one by name && order by id desc and email asc
    List<User> findFirstByNameOrderByIdDescEmailAsc(String name);
}

@Test
void pagingAndSortingTest() {
    log.info("findFirstByNameOrderByIdDesc : {}", 
        userRepository.findFirstByNameOrderByIdDesc("ben"));
    log.info("findFirstByNameOrderByIdDescEmailAsc : {}", 
        userRepository.findFirstByNameOrderByIdDescEmailAsc("ben"));
}

public interface UserRepository extends JpaRepository<User, Long> {
    List<User> findFirstByName(String name, Sort sort);
}

@Test
void pagingAndSortingTest() {
    log.info("findFirstByName WithSortParams : {}",
        userRepository.findFirstByName("ben", Sort.by(Order.desc("id"))));

    log.info("findFirstByName WithSortParams : {}", 
        userRepository.findFirstByName("ben", Sort.by(Order.desc("id"), Order.asc("email"))));
}

@Test
void pagingAndSortingTest() {
    log.info("findFirstByName WithSortParams : {}",
        userRepository.findFirstByName("ben", getSort()));
}

private Sort getSort() {
    return Sort.by(
        Order.desc("id"),
        Order.asc("email"),
        Order.desc("createdAt")
    );
}