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List:       solr-dev
Subject:    [jira] Updated: (SOLR-792) Tree Faceting Component
From:       "Erik Hatcher (JIRA)" <jira () apache ! org>
Date:       2008-09-26 20:41:46
Message-ID: 1770825642.1222461706340.JavaMail.jira () brutus
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     [ https://issues.apache.org/jira/browse/SOLR-792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Erik Hatcher updated SOLR-792:
------------------------------

    Attachment: SOLR-792.patch

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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