Hibernate formula用法

好久没有使用formula,今天做项目用到了，差点忘了，
下面是hibernate formula用法，留待以后用：
<property name="checkContent" type="string" formula="(select h.FAULT_CONTENT from Z_JCJX_OP_ENGINE6DETAIL h where h.JX_ID = jx_id)" ></property>
<property name="compContent" type="string" formula="(select (select m.method_name from J_JCGY_FAULT_METHOD m where m.method_id = h.f_method_id) from Z_JCJX_OP_ENGINE6DETAIL h where h.JX_ID = jx_id)" ></property>