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Sql 休眠自动递增非ID列_Sql_Hibernate - Fatal编程技术网
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Sql 休眠自动递增非ID列

sql hibernate

Sql 休眠自动递增非ID列,sql,hibernate,Sql,Hibernate,比如说，我有一个列“val”，它不是id列，我想将它设置为自动递增。有没有办法用Hibernate/JPA注释实现这一点？是的，有办法。注释自动生成字段，让Hibernate知道它必须在插入和/或更新之后重新读取实体以获得生成值的值。这种方式听起来好像不是最好的做法。。。。你为什么需要它？

比如说，我有一个列“val”，它不是id列，我想将它设置为自动递增。有没有办法用Hibernate/JPA注释实现这一点？

是的，有办法。注释自动生成字段，让Hibernate知道它必须在插入和/或更新之后重新读取实体以获得生成值的值。这种方式听起来好像不是最好的做法。。。。你为什么需要它？