[hibernate-issues] [Hibernate-JIRA] Updated: (HBX-524) Reverse of one-to-one relationships

[Marcio Carvalho (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HBX-524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marcio Carvalho updated HBX-524:
--------------------------------

    Attachment: one-to-one-marcio.patch

Ok, this is the patch with my modifications that affected OneToOne code generation.

I've made other ones, which are related more to ManyToManys and self ManyToManys, but they are not included.

I also included the Ejb3PropertyGetAnnotation modifications, since this is my preferred way to work with Hibernate.

Hope this helps.

Marcio

> Reverse of one-to-one relationships
> -----------------------------------
>
>                 Key: HBX-524
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-524
>             Project: Hibernate Tools
>          Issue Type: Bug
>          Components: reverse-engineer
>    Affects Versions: 3.1beta2
>         Environment: HIbernate 3.1, Oracle 9i
>            Reporter: Andrea Cattani
>            Assignee: Max Rydahl Andersen
>         Attachments: one-to-one-marcio.patch, patch.txt
>
>
> Hi,
> I've posted this issue to the forum and got this response from Max, Hibernate Team:
> "the reveng tools does not detect this as a one-to-one. it probably could, so add a request/patch to jira."
> The problem I've faced is the following:
> I have two tables, let's say
> - table A with column ID (PK) and other fields
> - table B with column ID (PK) and other fields
> table B has a foreign key constraint against table A, from column ID to column ID (one-to-one)
> When I reverese the tables with the HibernateTools I have such a resultant mapping for table B:
> <class name="B" table="B" schema="SCHEMA">
> <id name="id" type="string">
> <column name="ID" length="12" />
> <generator class="assigned" />
> </id>
> <[b]many-to-one name[/b]="a" class="A" update="false" insert="false" fetch="select">
> <column name="ID" length="12" not-null="true" unique="true" />
> </many-to-one>
> ....
> And this one for table A:
> <class name="A" table="A" schema="SCHEMA">
> <id name="id" type="string">
> <column name="ID" length="12" />
> <generator class="assigned"/>
> </id>
> <set name="b" inverse="true">
> <key>
> <column name="ID" length="12" not-null="true" unique="true" />
> </key>
> <[b]one-to-many[/b] class="B" />
> </set>
> </class>
> while I was expecting something like:
> [i]<one-to-one name="a" class="A" constrained="true"/>[/i]
> in table B, and the same (or nothing) in table A
> Thank you
> Andi

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