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https://issues.apache.org/jira/browse/OPENJPA-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Solodovnik resolved OPENJPA-2961.
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Assignee: Richard Zowalla
Resolution: Fixed
> TREAT discriminator filter excludes subclasses of target
> --------------------------------------------------------
>
> Key: OPENJPA-2961
> URL: https://issues.apache.org/jira/browse/OPENJPA-2961
> Project: OpenJPA
> Issue Type: Sub-task
> Components: jpa
> Affects Versions: 4.2.0
> Reporter: Maxim Solodovnik
> Assignee: Richard Zowalla
> Priority: Major
> Fix For: 4.2.0
>
>
> Discussion thread:
> https://github.com/apache/openjpa/pull/144#discussion_r3683001854
> **(medium)** `appendTreatDiscriminator` emits `disc = <treated class value>`
> only. Per JPA, `TREAT(x AS Middle)` must also match subtypes of Middle, so
> for a 3-level hierarchy this incorrectly filters out instances of Middle's
> subclasses - it should be an IN over the discriminator values of the treated
> class and all mapped subclasses. It also only handles `cols[0]` of the
> discriminator.
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