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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (OPENJPA-63) Better pessimistic lock support for DB2 v8.2+
Date Mon, 04 Dec 2006 14:39:21 GMT
     [ http://issues.apache.org/jira/browse/OPENJPA-63?page=all ]

Kevin Sutter reassigned OPENJPA-63:
-----------------------------------

    Assignee: Kevin Sutter

> Better pessimistic lock support for DB2 v8.2+
> ---------------------------------------------
>
>                 Key: OPENJPA-63
>                 URL: http://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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