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From "Ravi P Palacherla (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OPENJPA-2066) Edge case in openJPA-1227. openJPA fails to create a join and thus returns wrong data when a collection is selected from superclass and another field is selected from subclass twoor more levels down the hierarchy.
Date Wed, 26 Oct 2011 00:40:32 GMT
Edge case in openJPA-1227. openJPA fails to create a join and thus returns wrong data when
a collection is selected from superclass and another field is selected from subclass twoor
more levels down the hierarchy.
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: OPENJPA-2066
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2066
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 2.1.1, 1.1.1
            Reporter: Ravi P Palacherla
            Priority: Minor
             Fix For: 1.1.1, 2.1.1


openJPA-1227 fixes the wrong SQL generation error when superclass contains an eager to-many
field, and this is the only field selected in the superclass, and when one or more fields
are selected in the subclass, openjpa fails to create a join between the subclass and superclass.
But the issue still remains when one or more fields are selected from subclasses two levels
down the hierarchy.

Example:
GrandChildClass extends ChildChildClass extends ChildClass extends ParentClass.

When I select a filed from GrandChildClass and a to-many field from ParentClass then openjpa
fails to create a join between the classes.

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