[ http://jira.andromda.org/browse/HIB-215?page=all ]
Plushnikov Michail updated HIB-215:
-----------------------------------
Attachment: hibernate.hbm.xml.vm.patch
> bidirectional relations using List
> ----------------------------------
>
> Key: HIB-215
> URL: http://jira.andromda.org/browse/HIB-215
> Project: Hibernate Cartridge
> Type: Bug
> Versions: 3.2-RC1
> Environment: Andromda 3.2
> Reporter: Jorge RodrÃguez Pedrianes
> Assignee: Carlos Cuenca
> Attachments: hibernate.hbm.xml.vm.patch
>
> Hello, I'm trying to use biridectional relations whithin two entities but hbm
> files are wrong. For example
> E1 (1) ---------- E2(0..*)
> The hbm file generated for E1 is not ok:
> .......
> <list name="e2" lazy="true" fetch="select" inverse="false"
> cascade="all,delete-orphan">
> <key foreign-key="E1_LIC" not-null="false">
> <!-- This is bad, the correct is not-null="true" if i use list and E1 its
> required-->
> <column name="E1_FK" sql-type="BIGINT"/>
> </key>
> <list-index column="indice"/>
> <one-to-many class="E2"/>
> </list>
> ....
> I see the hibernate template (hibernate.hbm.xml.vm) and i see the problem:
> in one2Many section code you put:
> ${indent} <key
> foreign-key="$sourceEnd.foreignKeyConstraintName"#if ($otherEnd.list)
> not-null="$otherEnd.required"#end>
> but i think that is better:
> ${indent} <key
> foreign-key="$sourceEnd.foreignKeyConstraintName"#if ($otherEnd.list)
> not-null="$sourceEnd.required"#end> <!-- if source end its
>
>
>
> required -->
> I read the hibernate reference and say:
> "It is important that you define not-null="true" on the
> <key> element of the collection mapping if the underlying
> foreign key column is NOT NULL. Don't only declare
> not-null="true" on a possible nested <column> element,
> but on the <key> element."
> Thanks
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