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https://issues.apache.org/jira/browse/SOLR-792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635005#action_12635005
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ehatcher edited comment on SOLR-792 at 9/27/08 3:01 AM:
------------------------------------------------------------
This patch is a simple implementation to do a fixed two-level faceting, using
the SimpleFacets functions. This is just the start. The idea is to make the
actual faceting implementation pluggable, support arbitrary levels, perhaps
also support nested facet queries, not just facet fields.
With this patch, this query, on Solr's example data set, returns the data below:
http://localhost:8983/solr/select?q=*:*&rows=0&facet=on&facet.field=cat&facet.tree=cat,inStock&wt=json&indent=on
{code}
"facet_counts":{
"facet_queries":{},
"facet_fields":{
"cat":[
"electronics",14,
"memory",3,
"card",2,
"connector",2,
"drive",2,
"graphics",2,
"hard",2,
"monitor",2,
"search",2,
"software",2,
"camera",1,
"copier",1,
"multifunction",1,
"music",1,
"printer",1,
"scanner",1]},
"facet_dates":{},
"trees":[
"cat,inStock",[
"electronics",[
"true",10,
"false",4],
"memory",[
"true",3,
"false",0],
"card",[
"false",2,
"true",0],
"connector",[
"false",2,
"true",0],
"drive",[
"true",2,
"false",0],
"graphics",[
"false",2,
"true",0],
"hard",[
"true",2,
"false",0],
"monitor",[
"true",2,
"false",0],
"search",[
"true",2,
"false",0],
"software",[
"true",2,
"false",0],
"camera",[
"true",1,
"false",0],
"copier",[
"true",1,
"false",0],
"multifunction",[
"true",1,
"false",0],
"music",[
"true",1,
"false",0],
"printer",[
"true",1,
"false",0],
"scanner",[
"true",1,
"false",0]]]}}
{code}
was (Author: ehatcher):
This patch is a simple implementation to do a fixed two-level faceting,
using the SimpleFacets functions. This is just the start. The idea is to make
the actual faceting implementation pluggable, support arbitrary levels, perhaps
also support nested facet queries, not just facet fields.
With this patch, this query, on Solr's example data set, returns the data below:
http://localhost:8983/solr/select?q=*:*&rows=0&facet=on&facet.field=cat&facet.tree=cat,inStock&wt=json&indent=on
"facet_counts":{
"facet_queries":{},
"facet_fields":{
"cat":[
"electronics",14,
"memory",3,
"card",2,
"connector",2,
"drive",2,
"graphics",2,
"hard",2,
"monitor",2,
"search",2,
"software",2,
"camera",1,
"copier",1,
"multifunction",1,
"music",1,
"printer",1,
"scanner",1]},
"facet_dates":{},
"trees":[
"cat,inStock",[
"electronics",[
"true",10,
"false",4],
"memory",[
"true",3,
"false",0],
"card",[
"false",2,
"true",0],
"connector",[
"false",2,
"true",0],
"drive",[
"true",2,
"false",0],
"graphics",[
"false",2,
"true",0],
"hard",[
"true",2,
"false",0],
"monitor",[
"true",2,
"false",0],
"search",[
"true",2,
"false",0],
"software",[
"true",2,
"false",0],
"camera",[
"true",1,
"false",0],
"copier",[
"true",1,
"false",0],
"multifunction",[
"true",1,
"false",0],
"music",[
"true",1,
"false",0],
"printer",[
"true",1,
"false",0],
"scanner",[
"true",1,
"false",0]]]}}
> Tree Faceting Component
> -----------------------
>
> Key: SOLR-792
> URL: https://issues.apache.org/jira/browse/SOLR-792
> Project: Solr
> Issue Type: New Feature
> Reporter: Erik Hatcher
> Assignee: Erik Hatcher
> Priority: Minor
> Attachments: SOLR-792.patch
>
>
> A component to do multi-level faceting.
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