[ https://issues.apache.org/jira/browse/OPENJPA-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015465#comment-13015465 ] 

Patrick Linskey commented on OPENJPA-1973:
------------------------------------------

Thanks!

Regarding OPENJPA-1971: there should be no real impact -- this is just another OpenJPA extension.

I'll run the tests on Derby and probably Postgres, and commit if they look good.

> Unlocked field support
> ----------------------
>
>                 Key: OPENJPA-1973
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1973
>             Project: OpenJPA
>          Issue Type: New Feature
>          Components: docs, jdbc, jpa
>            Reporter: Patrick Linskey
>            Assignee: Patrick Linskey
>         Attachments: OPENJPA-1973-with-docs.patch, OPENJPA-1973.patch
>
>
> Often, it's desirable to exclude certain fields from the optimistic locking computation. For example, if a PurchaseOrder's lastUpdatedDate field is updated every time a line item is added, it may be acceptable to simply use the latest value instead of requiring an optimistic lock check / collision.
> Let's add support for such fields.

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