[ http://issues.apache.org/jira/browse/IBATIS-231?page=all ]
Clinton Begin closed IBATIS-231:
--------------------------------
Resolution: Invalid
Support request
> Grougby for 1:1 relationship
> ----------------------------
>
> Key: IBATIS-231
> URL: http://issues.apache.org/jira/browse/IBATIS-231
> Project: iBatis for Java
> Type: Wish
> Components: SQL Maps
> Environment: Windows
> Reporter: Leo Tu
>
> I have two classes, one is Parent(master) another is Child(Detail), but they
> are 1:1 relationship,
> The question is that in child class contains just one parent object, but i
> must use List for getter/setter elsewise
> has problem, why ?
> ===================================================
> // parent
> public class CustGroup {
> ...
> }
> // child
> public class Cust {
> ...
> private CustGroup custGroup; // 1:1
> ...
> public void setCustGroupjava.util.List custGroupList) { ... } // why it
> must be List data type ?
> public java.util.List getCustGroup() { ... } // why it must be List data
> type ?
> ...
> }
> <resultMap id="CustGroup-result" class="CustGroup">
> ...
> </resultMap>
> <resultMap id="CUST-result" class="Cust">
> ...
> <result property="custGroup" resultMap="CUST_GROUP"/> <!-- 1:1 -->
> </resultMap>
> ===================================================
> 1:1, but groupby must use List for getter/setter,
> Can't use
> public void setCustGroup(CustGroup custGroup) { ... } // I hope can use
> this methd
> public CustGroup getCustGroup() { ... } // I hope can use this methd
> Best Regards,
> Leo
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