hibernate 1对1 From 主表 会产生很多查询子表sql例如 主表 A 子表B 子表CA表 1对1 B表
A表 1对1 C表hql语句hql: from A order by id很产生select ..... from A order by idselect ..... from B order by idselect ..... from C order by id 等小弟新人 望高人指点下以下是配置文件A:
<one-to-one name="bid" class="B" cascade="all"></one-to-one>
<one-to-one name="cid" class="C" cascade="all" ></one-to-one>B:<one-to-one name="aid" class="A" constrained="true"></one-to-one>C:
<one-to-one name="aid" class="A" constrained="true"></one-to-one>
A表 1对1 C表hql语句hql: from A order by id很产生select ..... from A order by idselect ..... from B order by idselect ..... from C order by id 等小弟新人 望高人指点下以下是配置文件A:
<one-to-one name="bid" class="B" cascade="all"></one-to-one>
<one-to-one name="cid" class="C" cascade="all" ></one-to-one>B:<one-to-one name="aid" class="A" constrained="true"></one-to-one>C:
<one-to-one name="aid" class="A" constrained="true"></one-to-one>
<one-to-one name="cid" class="C" cascade="all" lazy="true"></one-to-one>