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的专栏中,我有两个表:加入与条件JPA实体
person:
- person_id
- name
meeting:
- meeting_id
- person_id
- date
一个人可以有很多的会议。对人我JPA实体的样子:
@Entity
@Table(name = "person")
@Getter
public class Person {
@Id
private Integer personId;
private String name;
@Formula("(SELECT m.date FROM meeting m WHERE ROWNUM <= 1 AND m.person_id = person_id ORDER BY m.date DESC)")
private Date lastMeetingDate;
的问题是:如何上次会议日期包括到Person
对象。上面的代码会生成ORA-00936错误(我正在使用Oracle数据库)。
SQL通过findPersonById()
geneated:
select person0_.person_id as person_id1_10, person0_.name as name2_10, (SELECT m.date FROM meeting m WHERE ROWNUM <= 1 AND m.person_id = person0_.person_id ORDER BY m.date DESC) as formula0_ form person person0_ where person0_.person_id=?
什么是ORA-00936? – Thomas
在休眠状态下打开SQL日志并发布生成的输出 –
@ maciej-kowalski sql添加 – werasquez