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https://issues.apache.org/jira/browse/OPENJPA-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Ezzio closed OPENJPA-1051.
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Resolution: Fixed
Fix Version/s: 2.0.0
Applied Ravi's patch. Revision 774580.
> [patch] Mappingtool doesn't check name conflicts if MappingDefaultsImpl is
> called with multiple columns.
> --------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-1051
> URL: https://issues.apache.org/jira/browse/OPENJPA-1051
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.0.0, 2.0.0
> Environment: OpenJPA Trunk.
> Reporter: Ravi P Palacherla
> Assignee: David Ezzio
> Fix For: 2.0.0
>
> Attachments: OPENJPA-1051_Trunk.patch
>
>
> In OpenJPA implementation, it looks that
> MappingDefaultsImpl.populateColumns can accept multiple columns
> because it has Column[] signature.
> If column name is longer than DBDictionary restriction (it's very short in
> some databases.
> For example, oracle max name length is 32), names are truncated.
>
> Because name conflict is detected based on actual Table info,given Column[]
> data does not get checked.
> So, if given Column[] have very long name and truncated name of these
> Column[] is conflicted,
> it could not be detected.
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