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https://issues.apache.org/jira/browse/OPENJPA-2719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thibault Falque updated OPENJPA-2719:
-------------------------------------
Description:
Hi,
During a class on JPA we have noticed a bug occurring when using the
"TABLE PER CLASS" inheritance strategy.
The test case involves three classes: Computer, Desktop and Gamer. Gamer
extends Desktop that extends Computer.
I have a desktop and a gamer computer in the database. For the JPQL
request "SELECT g FROM Gamer g" the system returns 2 computers but the
correct answer should be 1 (since Gamer is more specific than Destop).
The correct answer is provided for SINGLE_TABLE and JOINED strategies.
I attached the source code with the unit tests. It is a drive link
because I can't uploaded compressed files:
https://drive.google.com/open?id=0B7j65u7m8zmeY2pRY0JDZE55S1U
Thanks for your help.
Thibault.
was:
Hi,
During a classroom we have noticed a bug when use the "TABLE PER CLASS" for
inheritance strategy.
I have create three classes: Computer, Desktop and Gamer. Gamer extends Desktop
that extends Computer.
I have a desktop and a gamer computer in the database. For the request "SELECT
g FROM Gamer g" the system returns 2 computers but the correct answer should be
1.
I attached the source code with the unit tests. It is a drive link because I
can't uploaded compressed files:
https://drive.google.com/open?id=0B7j65u7m8zmeY2pRY0JDZE55S1U
Thanks for your help.
Thibault.
> TABLE PER CLASS inheritance problem
> -----------------------------------
>
> Key: OPENJPA-2719
> URL: https://issues.apache.org/jira/browse/OPENJPA-2719
> Project: OpenJPA
> Issue Type: Bug
> Reporter: Thibault Falque
>
> Hi,
> During a class on JPA we have noticed a bug occurring when using the
> "TABLE PER CLASS" inheritance strategy.
> The test case involves three classes: Computer, Desktop and Gamer. Gamer
> extends Desktop that extends Computer.
> I have a desktop and a gamer computer in the database. For the JPQL
> request "SELECT g FROM Gamer g" the system returns 2 computers but the
> correct answer should be 1 (since Gamer is more specific than Destop).
> The correct answer is provided for SINGLE_TABLE and JOINED strategies.
> I attached the source code with the unit tests. It is a drive link
> because I can't uploaded compressed files:
> https://drive.google.com/open?id=0B7j65u7m8zmeY2pRY0JDZE55S1U
> Thanks for your help.
> Thibault.
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