Are you faceting on parent values or child values? Parent values should be easy; child values is not.
Mike McCandless http://blog.mikemccandless.com On Mon, Feb 10, 2014 at 9:05 AM, Jon Stewart <j...@lightboxtechnologies.com> wrote: > Hello, > > tl;dr: I'd like to know how to do faceting over the result set of a > query-time join (JoinUtils). If it's not currently supported by > Lucene, I'd appreciate some pointers about what needs to be done. > > I'm working on a greenfields project with Lucene 4.6. The application > treats its primary objects as a collection of child records. The child > records are of different types and, unfortunately, are not available > all at once (ruling out BlockJoinQuery). As the child records roll > into the system for indexing, they're represented as Lucene Document > objects that have the primary key of the parent object as a field. The > child records themselves never change, so there's no need for > re-indexing. I can use query-time joins on the parent ID field. So > far, so good. > > The problem is that I also very much want to have faceting pertaining > to the parent objects. Googling around the past couple days hasn't > revealed much discussion of how to combine facets with query-time > joins (except "nope": http://search-lucene.com/m/QTPadBcnv1). Is it > possible to combine these two features with the above constraints? If > so, how? If not in Lucene 4.6, is there related work in trunk? One > thing I was thinking about last night is that it wouldn't seem to be > too hard to do the faceting for this case by using update-able > NumericDocValue on a dummy parent object, since that shouldn't require > re-indexing. > > TIA, > > Jon > -- > Jon Stewart, Principal > (646) 719-0317 | j...@lightboxtechnologies.com | Arlington, VA > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
