Check out project Bobo: http://sna-projects.com/bobo/
A lucene based faceted search library. Now with solr plugin: http://snaprojects.jira.com/wiki/display/BOBO/Bobo+Solr+Plugin -John On Fri, Aug 13, 2010 at 8:56 PM, Jayendra Patil < jayendra.patil....@gmail.com> wrote: > Multiple values are probably same as Multiple Tokens with a high position > increment gap. > Would still prefer to go with the multivalued field approach, as it is > inbuilt and easier to get back the individual facets with the count in the > response. > > Regards, > Jayendra > > On Fri, Aug 13, 2010 at 7:57 AM, Mats Bolstad <mat...@stud.ntnu.no> wrote: > > > Thank you for your answer. I sure will implement something in that > > direction. > > > > But couldn't multiple tokens be used instead of multiple values? > > > > <fieldType name="hier" class="solr.TextField"> > > <analyzer type="index"> > > // some tokenizer and filters that generates "0//Europe", > > "1//Europe//Norway", "2//Europe//Norway//Oslo" > > </analyzer> > > </fieldType> > > > > <field name="country_facet" type="hier" indexed="true" stored="true"/> > > > > Wouldn't that work in just the same way? Or is it some difference > > between multiple tokens and multiple values that I'm missing? > > > > -- > > Regards, > > Mats Bolstad > > > > > > > > On Fri, Aug 13, 2010 at 2:21 AM, Jayendra Patil > > <jayendra.patil....@gmail.com> wrote: > > > We were able to get the hierarchy faceting working with a work around > > > approach. > > > > > > e.g. if you have Europe//Norway//Oslo as an entry > > > > > > 1. Create a new multivalued field with string type > > > > > > <field name="country_facet" type="string" indexed="true" stored="true" > > > multiValued="true"/> > > > > > > 2. Index the field for "Europe//Norway//Oslo" with values > > > > > > 0//Europe > > > 1//Europe//Norway > > > 2//Europe//Norway//Oslo > > > > > > 3. The Facet can now be used in the Queries :- > > > > > > 1st Level - Would return all entries @ 1st level e.g. 0//USA, 0//Europe > > > > > > fq= > > > > > > f.country_facet.facet.prefix=0// > > > > > > facet.field=country_facet > > > > > > > > > 2nd Level - Would return all entries @ second level in Europe > > > 1//Europe//Norway, 1//Europe//Sweden > > > > > > fq=country_facet:0//Europe > > > > > > f.country_facet.facet.prefix=1//Europe > > > > > > facet.field=country_facet > > > > > > > > > > > > 3rd Level - Would return 1//Europe//Norway entries > > > > > > fq=country_facet:1//Europe//Norway > > > > > > f.country_facet.facet.prefix=2//Europe//Norway > > > > > > facet.field=country_facet > > > > > > Increment the facet.prefix by 1 so that you limit the facet results to > to > > > that prefix. > > > Also works for any depth. > > > > > > Regards, > > > Jayendra > > > > > > > > > On Thu, Aug 12, 2010 at 6:01 PM, Mats Bolstad <mat...@stud.ntnu.no> > > wrote: > > > > > >> Hey all, > > >> > > >> I am doing a search on hierarchical data, and I have a hard time > > >> getting my head around the following problem. > > >> > > >> I want a result as follows, in one single query only: > > >> > > >> USA (3) > > >> > California (2) > > >> > Arizona (1) > > >> Europe (4) > > >> > Norway (3) > > >> >> Oslo (3) > > >> > Sweden (1) > > >> > > >> How it looks in the XML/JSON response is not really important, this is > > >> more a presentation issue. I guess I could store the values "USA", > > >> "USA/California", "Europe/Norway/Oslo" as strings for each document, > > >> and do some JavaScript-ing to show the hierarchies appropriately. When > > >> a specific item in the facet is selected, for example "Norway", Solr > > >> could be queries with a filter query on "Europe/Norway*"? > > >> > > >> Do anyone have some experiences they could please share with me? > > >> > > >> I have tried out SOLR-64, and it gives me the results I look for. > > >> However, I do not have the opportunity to use a patch in the > > >> production environment ... > > >> > > >> -- > > >> Thanks, > > >> Mats Bolstad > > >> > > > > > >
