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From "Michael Dick (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-1973) Unlocked field support
Date Mon, 04 Apr 2011 14:00:06 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015417#comment-13015417
] 

Michael Dick commented on OPENJPA-1973:
---------------------------------------

Hi Patrick, 

Nice to hear from you again. 

Right now this isn't something I'd take in the 2.1.0 branch - adding a feature after shipping
the release isn't something I'd do lightly. 

2.2.0 is fair game though, but there's been no discussion about having a release. Before we
include this in a release we'd need to at least go through the full test suite, look into
the impact on the datacache, and see how / whether this will impact OPENJPA-1971. 

As far as committing goes - so long as the test bucket passes on Derby, you can go ahead and
commit. It'd be nice with a new feature if you could run on one or more of the other databases
though. 

> 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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