Hibernate中使用Postgresql 的SERIAL类型
<id name="id" column="id" type="java.lang.Integer">
<generator class="sequence">
<param name="sequence">account_id_seq<param>
</generator>
</id>
<id name="id" column="id" type="java.lang.Integer">
<generator class="sequence">
<param name="sequence">account_id_seq<param>
</generator>
</id>