[hibernate-issues] [Hibernate-JIRA] Created: (HCANN-10) JPA OneToOne(optional=true) not supported, supported alternative NotFound() is hibernate-proprietary!

[Bruno Melloni (JIRA)]

JPA OneToOne(optional=true) not supported, supported alternative NotFound() is hibernate-proprietary!
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                 Key: HCANN-10
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HCANN-10
             Project: Hibernate Commons Annotations
          Issue Type: Bug
         Environment: Hibernate 3.3.1, annotations 3.4.0, MsSQL DB.
            Reporter: Bruno Melloni


Rejected issue ANN-725 covers this partially.  I might have misunderstood, but it seems the reason for rejecting is that @NotFound provides the same capability.

All information I could find for JPA and other ORM tools indicates that this capability is supplied by @OneToOne(optional=true).  Hibernate seems to be the lone ORM tool that requires the use of a proprietary annotation: @NotFound.

@NotFound works, but the problem is that it makes the application no longer be pure-JPA.  Not supporting pure-JPA outer joins would seem to be a major bug.

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