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https://issues.apache.org/jira/browse/OPENJPA-63?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Sutter closed OPENJPA-63.
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> Better pessimistic lock support for DB2 v8.2+
> ---------------------------------------------
>
>                 Key: OPENJPA-63
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-63
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: jdbc
>         Environment: IBM DB2 UDB v8.2 or later
>            Reporter: Igor Fedorenko
>         Assigned To: Kevin Sutter
>         Attachments: db2-selectForUpdate.patch, 
> db2-selectForUpdate2.patch.diff
>
>
> There is new SELECT "FOR READ ONLY WITH RS USE AND KEEP EXCLUSIVE LOCKS" 
> syntax in DB2 v8.2 and later that can be used to implement pessimistic locks 
> for selects with multiple from tables, subselects, inner/outer joins and so 
> forth. I'll attach simple patch shortly.

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