Why not group by cid using the grouping component, within the group sort by
version descending and return 1 result per group.

http://wiki.apache.org/solr/FieldCollapsing

Cheers
Amit


On Fri, Nov 9, 2012 at 2:56 PM, dm_tim <dm_...@yahoo.com> wrote:

> I think I may have found my answer buy I'd like additional validation:
> I believe that I can add a function to my query to get only the highest
> values of 'file_version' like this -
> _val_:"max(file_version, 1)"
>
> I seem to be getting the results I want. Does this look correct?
>
> Regards,
>
> Tim
>
>
>
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