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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] Closed: (OPENJPA-1800) Duplicate column created for sybase
Date Tue, 21 Sep 2010 21:15:34 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-1800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dick closed OPENJPA-1800.
---------------------------------

    Resolution: Fixed

> Duplicate column created for sybase
> -----------------------------------
>
>                 Key: OPENJPA-1800
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1800
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>            Reporter: Michael Dick
>            Assignee: Michael Dick
>            Priority: Minor
>
> In order to execute FOR UPDATE statements against Sybase we create a special column named
UNQ_INDEX.
> Some of our schema tools cause the column to be inserted twice (in memory). I've seen
this happen with testcases which use the DROP_TABLES constant - but any code that uses the
following persistence property could see the same behavior :
> openjpa.jdbc.SynchronizeMappings=buildSchema(ForeignKeys=true,SchemaAction='drop,add')

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