Pinaki Poddar created OPENJPA-2305:
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Summary: 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: 2.2.1.1
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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