我在数据库中有两个简单的表。它们看起来像:ID NUMBER Primary key ID NUMBER Primary key & Foreign key from T1T2的hibernate实体是什么样的?我试着用包含T1映射类对象的@Embeddable类来实现它,但这是行不通的。谢谢。
UPD:当我需要这样的结构时,完整的用例如下:我
SELECT a.ts, b.barcodenumber, a.remarks, c.department INNER JOIN (select docid, max(logid) as logid from documentlog GROUP BY docid) d ON d.docid=a.docid AND d.logid=a.logid INNER JOIN document b ON b.id=a.docid
WHERE c.department = 'PTO