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https://issues.apache.org/jira/browse/OPENJPA-143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Linskey updated OPENJPA-143:
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Fix Version/s: 0.9.7
> Problems with Single Table Inheritance Strategy (and Discriminator Type of
> Integer)
> -----------------------------------------------------------------------------------
>
> Key: OPENJPA-143
> URL: https://issues.apache.org/jira/browse/OPENJPA-143
> Project: OpenJPA
> Issue Type: Bug
> Components: jpa
> Reporter: Kevin Sutter
> Fix For: 0.9.7
>
>
> Using the @DiscriminatorType of Integer with Single Table Inheritance, I've
> come across two problems...
> o The @DiscriminatorValue seems to be required on abstract classes in the
> hierarchy. This should not be required. Actually, according to section
> 9.1.31 of the spec, this annotation should only be required on concrete
> classes. But, without this annotation, I am getting an exception about not
> being able to cast a String to an Int.
> o This exception that I am receiving with a "missing" @DiscriminatorValue
> would indicate that the default value being provided by OpenJPA is a String
> all the time instead of basing the default the value off of the
> DiscriminatorType of Integer. This is further described in Table 21 of
> section 9.1.31 of the spec.
> As described, I have a workaround by specifying a @DiscriminatorValue on the
> abstract class, but these seem to be real problems that need to be addressed.
> Thus, this defect.
> Kevin
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