I think you can use the CollapseFilter to collapse on "version" field. However, I think you need to modify the CollapseFilter code to sort by "version" and get the latest version returned.
On 9/13/07, Adrian Sutton <[EMAIL PROTECTED]> wrote: > > Hi all, > The document's we're indexing are versioned and generally we only > want search results to return the latest version of a document, > however there's a couple of scenarios where I'd like to be able to > include previous versions in the search result. > > It feels like a straight-forward case of a filter, but given that > each document has independent version numbers it's hard to know what > to filter on. The only solution I can think of at the moment is to > index each new version twice - once with the version and once with > version=latest. We'd then tweak the ID field in such a way that there > is only one version of each document with version=latest. It's then > simple to use a filter for version=latest when we search. > > Is there a better way? Is there a way to achieve this without having > to index the document twice? > > Thanks in advance, > > Adrian Sutton > http://www.symphonious.net > > > > -- Regards, Cuong Hoang
