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Posted to ojb-dev@db.apache.org by "Armin Waibel (JIRA)" <ji...@apache.org> on 2005/07/16 00:27:13 UTC
[jira] Commented: (OJB-55) Getting foreignkeyField's FieldDescriptor is failing if the foreignkey field is defined in the base class
[ http://issues.apache.org/jira/browse/OJB-55?page=comments#action_12315954 ]
Armin Waibel commented on OJB-55:
---------------------------------
Did you get any side-effects when apply your patch? If we change method getForeignKeyFieldDescriptors() as you suggest OJB will return FieldDescriptor from different ClassDescriptor, these ClassDescriptor can represent different DB tables.
Could you describe in detailed how to set up a test to reproduce your problem. This will be really helpful.
> Getting foreignkeyField's FieldDescriptor is failing if the foreignkey field is defined in the base class
> ---------------------------------------------------------------------------------------------------------
>
> Key: OJB-55
> URL: http://issues.apache.org/jira/browse/OJB-55
> Project: OJB
> Type: Bug
> Components: PB-API
> Versions: 1.0.3
> Environment: Windows 2000, Jboss application server
> Reporter: Rajadurai
> Attachments: ObjectReferenceDescriptor.java
>
> Hi,
> we are using ojb in one of our application.
> We got the exception when we try to find the entity whos parent's foreign key field is null.
> that is out critier will be "attr IS NULL"
> Basically getForeignKeyFieldDescriptors() method in ObjectReferenceDescriptor.java is trying to find the foreignkeyfieldDescritpros in the current class only, thats why its giving exception.
> If it is not available in the current class then it has to find from base class.
> I have changed ObjectReferenceDescriptor.java -> getForeignKeyFieldDescriptors() method.
> i m attaching that file also.
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