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https://issues.apache.org/jira/browse/OPENJPA-689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621302#action_12621302
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Pinaki Poddar commented on OPENJPA-689:
---------------------------------------
Description of this issue is not clear enough.
Can you please elaborate further what is the problem being encountered when
entities inherit from a @MappedSuperclass?
It may be worthwhile to discuss any potential issue in the OpenJPA user group
before creating a JIRA issue.
> @ID define in super class
> -------------------------
>
> Key: OPENJPA-689
> URL: https://issues.apache.org/jira/browse/OPENJPA-689
> Project: OpenJPA
> Issue Type: Bug
> Components: kernel
> Affects Versions: 1.1.0
> Reporter: wilesun
> Fix For: 1.1.1
>
>
> our entities have share super class,the class has one field define the entity
> id,so we define the class as mappedsuperclass
> when we work with hibernate JPA,it work fine.
> but migrate to openjpa,the PCEnhancer don't assign other entity has ID
> class,so the query sql is incorrect.
> example:
> @MappedSuperclass
> public EntityBase {
> @Id
> @Column(name="ID")
> private String id;
> }
> @Entity
> public B extends EntityBase {
> }
> @Entity
> public C extends EntityBase {
> }
> Object o = em.find(B.class, "111");
> the sql list:
> select * from A where id=?
> select * from B where id=?
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