[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-3853) one-to-one mapping doesn support Primary Key Association

[Steve Ebersole (JIRA)]

     [ https://hibernate.onjira.com/browse/HHH-3853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-3853.
-------------------------------


Closing for 4.1 release

> one-to-one mapping doesn support Primary Key Association
> --------------------------------------------------------
>
>                 Key: HHH-3853
>                 URL: https://hibernate.onjira.com/browse/HHH-3853
>             Project: Hibernate ORM
>          Issue Type: Bug
>          Components: envers
>         Environment: Hibernate - core 3.4.0-SNAPSHOT, Hibernate - envers (trunk build from today)
>            Reporter: Amar Singh
>            Assignee: Lukasz Antoniak
>             Fix For: 4.1.0
>
>         Attachments: hibernate-envers-pkjc.patch, one-to-one-pk.zip
>
>
> one-to-one mapping with primary key association doesn't seem to be working. Eg.
> Code:
> <?xml version="1.0"?>
> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
>                                    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
> <hibernate-mapping package="org.hibernate.envers.test.integration.onetoone.bidirectional" default-lazy="false">
>  <class name="BidirectionalRefIngPK" table="BIDIRECTIONAL_REFERENCING_ENTITY">
>   <id name="id" type="long" column="BIDIRECTIONAL_REFERENCING_ID" >
>    <generator class="foreign">
>     <param name="property">reference</param>
>    </generator>
>   </id>
>   <property name="data"/>
>   <property column="BIDIRECTIONAL_REFERENCING_ID" generated="never" insert="false" lazy="false" name="id" type="long" update="false"/>  
>   <one-to-one name="reference" cascade="save-update" class="BidirectionalRefEdPK" constrained="true" />
>  </class>
>  
>  <class name="BidirectionalRefEdPK" table="BIDIRECTIONAL_REFERENCED_ENTITY">
>   <id name="longId" type="long" column="BIDIRECTIONAL_REFERENCED_ID">
>    <generator class="native"/>
>   </id>
>   <property name="data"/>
>   <one-to-one name="referencing" cascade="all" class="BidirectionalRefIngPK" />
>  </class>
> </hibernate-mapping>
> When we try to load a BidirectionalRefIngPK, the underlying query invokes RelatedAuditExpression and since its not a foreign-key based one-to-one association the loading fails in method addToQuery of RelatedAuditExpression at line 52 (relatedEntity==null) with the following exception:
> Code:
> "This criterion can only be used on a property that is a relation to another property."
> TO REPRODUCE
> ~~~~~~~~~~~~~
> Please find a zip file attached which has four files:
> - BidirectionalPrimaryAssociation.java (actual testng test case)
> - BidirectionalRefEdPK.java (Entity 1)
> - BidirectionalRefIngPK.java (Entity 2)
> - mappings.hbm.xml
> Please put the three java files in its package (org.hibernate.envers.test.integration.onetoone.bidirectional)  and the mapping file in src/test/resources.
> Now when you run envers tests you should see the failure. 
> Thanks for this great component !

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