http://wiki.apache.org/solr/FieldCollapsing
On Mon, Nov 21, 2011 at 8:17 AM, Felipe Carvalho <felipe.carva...@gmail.com> wrote: > Thanks for the tip, Erick! Any pointer to any article showing how to use it? > > Thanks > > On Mon, Nov 21http://wiki.apache.org/solr/FieldCollapsing, 2011 at 10:49 AM, > Erick Erickson <erickerick...@gmail.com>wrote: > >> You might take a look at grouping, aka field collapsing. Faceting gives >> you counts for various values in a field, but not a mixture of documents, >> whereas grouping will return you the top N members of each group >> which sounds like what you're after. >> >> Best >> Erick >> >> On Mon, Nov 21, 2011 at 5:04 AM, Ian Lea <ian....@gmail.com> wrote: >> > Running two queries is fine, as is looping through the results list. >> > I don't think it is clear that one in necessarily "better" than the >> > other. Faceting generally works by looping through results because >> > you typically don't know in advance what values will be present. >> > >> > -- >> > Ian, >> > >> > >> > 2011/11/21 liugangc <liuga...@gmail.com>: >> >> hi,faceted search is like group by in SQL, and also need query two time >> to get two list in your situation. I think there isn't better way to solve >> your problem. >> >> >> >> -- >> >> gang liu >> >> email: liuga...@gmail.com >> >> >> >> >> >> >> >> At 2011-11-21 09:35:08,"Felipe Carvalho" <felipe.carva...@gmail.com> >> wrote: >> >>>Hello, >> >>> I'm working on a people finder app over an index built of Person >> >>>documents. Among other attributes (name, gender, phone, ...) I have a >> >>>hiringType attribute, which possible values are EMPLOYEE and CONSULTANT. >> >>> When I run a "name" search over these documents, I need to render two >> >>>lists: employees that match the search criteria and consultants that >> match >> >>>the criteria. >> >>> I'm running Lucene 3.4, is there a way for Lucene to hand me over >> those >> >>>lists of documents separately on the same query? >> >>> Currently I run the query and then loop through the results, >> separating >> >>>employees and consultants in two lists, is there a better way to do >> this? >> >>> A heard a colleague saying Solr supports this through "faceted search" >> >>>(I'm not sure this is the right name), is there such thing on Lucene as >> >>>well? (unfortunately using Solr is not an option for this app) >> >>> >> >>>Thanks! >> >> >> > >> > --------------------------------------------------------------------- >> > 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 >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
