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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2305) Canonical MetaModel class generation should not use inhertence
Date Sat, 27 Apr 2013 02:44:16 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643480#comment-13643480
] 

ASF subversion and git services commented on OPENJPA-2305:
----------------------------------------------------------

Commit 1476467 from hthomann
[ https://svn.apache.org/r1476467 ]

OPENJPA-2305: Canonical MetaModel class generation should not use inhertence - back-ported
to 2.2.x Pinaki Poddar's commit to trunk.
                
> Canonical MetaModel class generation should not use inhertence
> --------------------------------------------------------------
>
>                 Key: OPENJPA-2305
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2305
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: criteria
>    Affects Versions: 2.2.1.1
>            Reporter: Pinaki Poddar
>            Assignee: Pinaki Poddar
>             Fix For: 2.3.0, 2.2.1.1
>
>
> The generated source code for canonical metamodel classes mirrored the same inheritance
hierarchy of the domain classes. This strategy exposed an error that resulted in wrong target
SQL query under the following domain model 
> a) A @MappedSuperClass M defined a primary key field x
> b) The primary key field x is an @EmbeddedId E
> c) An @Entity class D derived from M and navigated to the fields of E via x
> The solution is to generate canonical class D_.java as a flattened structure instead
of inheriting from M_.java (as is done currently). 

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