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https://issues.apache.org/jira/browse/OPENJPA-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025029#comment-13025029
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Michael Dick commented on OPENJPA-1973:
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I like the example better - seems fair enough to add this feature to trunk. 

> 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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