我有一个虚拟表我想用 Hibernate 映射你能帮我定义吗dummy.hbm.xml
type=timestamp, Default=CURRENT_TIMESTAMP, extra=on update CURRENT_TIMESTAMP
我应该在 java 类中定义哪种类型的变量？
desc 假人；
+------------+--------------+------+-----+-------------------+-----------------------------+
| Field | Type | Null | Key | Default | Extra |
+------------+--------------+------+-----+-------------------+-----------------------------+
| timestamp | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+------------+--------------+------+-----+-------------------+-----------------------------+