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https://issues.apache.org/jira/browse/OPENJPA-496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12641298#action_12641298
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Milosz Tylenda commented on OPENJPA-496:
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Have a look at http://openjpa.apache.org/unit-tests.html - you should probably
put your test case somewhere in the OpenJPA test directories.
You can also run a test from Eclipse - I do this by specifying connection
properties and java agent as JVM arguments in launch configuration. Something
like:
-javaagent:/home/dev/openjpa/lib/openjpa.jar
-Dopenjpa.ConnectionDriverName=[driver name] -Dopenjpa.ConnectionUserName=[user
name] [and more]
You will find more details in the manual.
> columns fill wrong entity fields when names same in joined tables
> -----------------------------------------------------------------
>
> Key: OPENJPA-496
> URL: https://issues.apache.org/jira/browse/OPENJPA-496
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.1.0
> Environment: Linux 2.6, JDK 1.5.0_12, MySQL 4 or H2
> Reporter: Adam Hardy
> Priority: Blocker
> Attachments: bug.zip, issue496.jar
>
>
> OpenJPA is mixing up the mapping of columns from joined tables, where the two
> tables have fields with the same name used on their respective entities. I've
> got some basic unit tests aimed at verifying the problem. Is there something
> wrong with my mappings or is this a bug? I can upload the unit test project.
> Here's the info. The TITLE fields get mixed up. I have this query:
> select species from Species species
> I have this output:
> SELECT t0.ID, t1.ID, t1.OWNER_ID, t1.TITLE, t0.IUCN_STATUS_ID, t0.OWNER_ID,
> t0.TITLE FROM PUBLIC.SPECIES t0 LEFT OUTER JOIN PUBLIC.GENUS t1 ON
> t0.GENUS_ID =
> t1.ID
> These are the mappings:
> <entity class="org.permacode.atomictest.domain.Genus">
> <table name="GENUS" />
> <attributes>
> <id name="id">
> <column name="ID" />
> <generated-value strategy="TABLE" generator="genusKeySequence" />
> </id>
> <basic name="title">
> <column name="TITLE" />
> </basic>
> <basic name="ownerId">
> <column name="OWNER_ID" />
> </basic>
> <one-to-many name="species" mapped-by="genus">
> <cascade>
> <cascade-persist />
> <cascade-merge />
> <cascade-refresh />
> </cascade>
> </one-to-many>
> </attributes>
> </entity>
> <entity class="org.permacode.atomictest.domain.Species">
> <table name="SPECIES" />
> <attributes>
> <id name="id">
> <column name="ID" />
> <generated-value strategy="TABLE" generator="speciesKeySequence" />
> </id>
> <basic name="title">
> <column name="TITLE" />
> </basic>
> <basic name="iucnStatus">
> <column name="IUCN_STATUS_ID" />
> <enumerated>ORDINAL</enumerated>
> </basic>
> <basic name="ownerId">
> <column name="OWNER_ID" />
> </basic>
> <many-to-one name="genus">
> <join-column name="GENUS_ID" />
> </many-to-one>
> </attributes>
> </entity>
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