Question

我有一个Java项目，其中包含一个具有LocalDateTime的实体。我想通过SQL提取记录，其中LocalDateTime介于2个其他LocalDateTime之间。

ENTITY

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(nullable = false)
private long id;

@Basic(optional = false)
@Column(nullable = false)   
private long assignmentId;

@Basic(optional = false)
@Column(nullable = false)   
private LocalDateTime startDateTime;

@Basic(optional = false)
@Column(nullable = false)   
private LocalDateTime endDateTime;

JAVA

//Sub assignments
public List<Subassignment> findAllSubassignmentsForAssignmentBetweenDates(long id, LocalDateTime startDateTime, LocalDateTime endDateTime) {
    return getEntityManager().createNamedQuery("ResourceVO.findByAssignmentIdAndDates", Subassignment.class)
            .setParameter("id", id)
            .setParameter("sdt", startDateTime)
            .setParameter("edt", endDateTime)
            .getResultList();
}

QUERY

<named-query name='ResourceVO.findByAssignmentIdAndDates'>
    <query>         
        SELECT c FROM Subassignment AS c 
        WHERE (c.assignmentId IN (SELECT b.id FROM Assignment b WHERE b.resource.id = :id))
        AND (c.startDateTime BETWEEN :sdt AND :edt)

    </query>
</named-query>

我总是收到“内部服务器错误”。有任何提示或建议吗？

P.S。没有LocalDateTime参数，查询工作正常。

由于

Matthijs

Answer 1

我将LocalDateTime更改为long

JPA LocalDateTime比较SQL

1 个答案: