[hibernate-issues] [Hibernate-JIRA] Created: (HHH-4478) Query by example does not include id fields

[Ken Egervari (JIRA)]

Query by example does not include id fields
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                 Key: HHH-4478
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4478
             Project: Hibernate Core
          Issue Type: Bug
          Components: query-criteria
    Affects Versions: 3.3.2
         Environment: same in 3.3.2 and 3.5.0-beta1
            Reporter: Ken Egervari
            Priority: Blocker


Unfortunately, QbE does not use id fields. If no other fields are unique on the entitys were are querying for, and we must use an id, then the QbE approach is broke and doesn't work :(

For example, I have objects A which contains B... and B contains C. I want to get all the A's that where A.b.c.id = 'some value'. This is not possible using QbE.

Maybe that is the intent by design, so I dunno if I should classify this as a bug... but as it stands, I cannot use QbE in my project.

If there is a design reason for this, perhaps giving us the option to enable id fields (or to be consistent, disable them like the rest of the options indicate) would make more sense.

Thanks

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