I'm not clear on the use case for multiple version columns. Does
anyone have an example of where it is useful?

Craig

On Aug 25, 2008, at 7:58 AM, Pinaki Poddar wrote:

>
> Hi,
> A recent commit on OPENJPA-697 upgrades the version column strategy
> for
> multiple numeric columns.
> A simple test case is available in the commit set as demonstration
> of usage.
> When a version value is represented as multiple column values,
> comparison of
> the version values poses some open questions.
> Currently, the comparison of v1 and v2 (when v1 and v2 are array of
> version
> column values) is as follows:
> if (compare(v1[i], v2[i]) = x for all i then return x
> if (compare(v1[i], v2[i]) = x for some i and 0 for all other i then
> return
> x
> otherwise return 1.
>
> A bit heuristic but am ready to listen to other ideas.
>
> --
> View this message in context: http://n2.nabble.com/%40VersionColumns-usage-tp736463p781659.html
> Sent from the OpenJPA Users mailing list archive at Nabble.com.
>

Craig L Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:Craig.Russell@(protected)
P.S. A good JDO? O, Gasp!