> <hibernate-mapping>
> <class name="org.appfuse.persistence.Child"
> table="child">
> <composite-id name="id"
> class="org.appfuse.persistence.ChildId"
> unsaved-value="none">
> <key-property column="parent_id"
> length="22" name="parentId"
> type="long"/>
Try this:
<key-many-to-one name="parent" column="parent_id"
type="long" cascade="none"/>
and remove the the <many-to-one> below.
> <key-property column="record_num"
> length="22" name="recordNum"
> type="long"/>
> </composite-id>
> <property column="name" length="30"
> name="name" type="string"/>
> <property column="description" length="100"
> name="description"
> type="string"/>
> <many-to-one name="parent"
> column="parent_id" not-null="true"/>
> </class>
> </hibernate-mapping>
>
> I get:
>
> [junit] java.sql.BatchUpdateException: General
> error: Column 'parent_id'
> specified twice
>
>
> To make it work, I've specified readonly="true" on
> the parent's mapping, and
> explicity saved the child objects. This seems to be
> the desired path for
> using Hibernate? Am I correct?
>
> Parent's mapping:
>
> <bag role="children" table="child"
> readonly="true" cascade="all">
> <key column="parent_id" length="22" />
> <one-to-many
> class="org.appfuse.persistence.Child"/>
> </bag>
>
> In order to update properly:
>
> Iterator it =
> p.getChildren().iterator();
>
> while (it.hasNext()) {
> Child c = (Child) it.next();
> ses.update(c);
> }
>
> ses.update(p);
> ses.flush();
>
> Thanks,
>
> Matt
>
>
>
>
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