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https://issues.apache.org/jira/browse/OPENJPA-2994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Solodovnik resolved OPENJPA-2994.
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Assignee: Richard Zowalla
Resolution: Fixed
> Map-key column default KEY0 to entityCs_KEY breaks upgrades
> -----------------------------------------------------------
>
> Key: OPENJPA-2994
> URL: https://issues.apache.org/jira/browse/OPENJPA-2994
> Project: OpenJPA
> Issue Type: Sub-task
> Components: jpa
> Affects Versions: 4.2.0
> Reporter: Maxim Solodovnik
> Assignee: Richard Zowalla
> Priority: Major
> Fix For: 4.2.0
>
>
> Discussion thread:
> https://github.com/apache/openjpa/pull/144#discussion_r3683007155
> **(medium)** Changing the expected default map-key column from KEY/KEY0 to
> entityCs_KEY (also TestContainerSpecCompatibilityOptions.java:426 and the
> KEY0 -> photos_KEY expected SQL in TestTypesafeCriteria) is spec-correct, but
> silently changes DDL/SQL against existing schemas created by older OpenJPA
> versions - upgrades will not find the KEY0 column. Should this be gated
> behind a compatibility option (this test class exists exactly for that) and
> called out in migration notes?
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