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From: "Bill Bell (JIRA)" <jira@apache.org>
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Subject: [jira] [Comment Edited] (SOLR-2242) Get distinct count of names for
 a facet field
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    [ https://issues.apache.org/jira/browse/SOLR-2242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495020#comment-13495020 ] 

Bill Bell edited comment on SOLR-2242 at 11/11/12 10:35 PM:
------------------------------------------------------------

uygar,

You are not using it properly. SOLR-2242-3x_5_tests.patch  does indeed work.

http://x.x.x.x:8985/solr/ar1/select?shards=192.168.200.202:8985/solr/ar3/,192.168.200.202:8985/solr/ar4&q=hotels&group=true&group.field=site&facet=true&f.site.facet.numFacetTerms=1&facet.mincount=1&facet.limit=-1

You forgot the facet.field=site and the field is f.site.facet.numTerms=true

With sample data. Do the following.

Copy example to example2, and change jetty.xml on example2 to be port 8080.

Run this:

http://localhost:8983/solr/select?shards=localhost:8983/solr/,localhost:8080/solr/&q=*:*&rows=0&facet=true&facet.field=price&facet.numTerms=true&facet.mincount=1&facet.limit=-1


                
      was (Author: billnbell):
    uygar,

You are not using it properly. SOLR-2242-3x_5_tests.patch  does indeed work.

http://x.x.x.x:8985/solr/ar1/select?shards=192.168.200.202:8985/solr/ar3/,192.168.200.202:8985/solr/ar4&q=hotels&group=true&group.field=site&facet=true&f.site.facet.numFacetTerms=1&facet.mincount=1&facet.limit=-1

You forgot the facet.field=site

With sample data. Do the following.

Copy example to example2, and change jetty.xml on example2 to be port 8080.

Run this:

http://localhost:8983/solr/select?shards=localhost:8983/solr/,localhost:8080/solr/&q=*:*&rows=0&facet=true&facet.field=price&facet.numTerms=true&facet.mincount=1&facet.limit=-1



                  
> Get distinct count of names for a facet field
> ---------------------------------------------
>
>                 Key: SOLR-2242
>                 URL: https://issues.apache.org/jira/browse/SOLR-2242
>             Project: Solr
>          Issue Type: New Feature
>          Components: Response Writers
>    Affects Versions: 4.0-ALPHA
>            Reporter: Bill Bell
>            Priority: Minor
>             Fix For: 4.1
>
>         Attachments: SOLR-2242-3x_5_tests.patch, SOLR-2242-3x.patch, SOLR-2242.patch, SOLR-2242.patch, SOLR-2242.patch, SOLR-2242.shard.withtests.patch, SOLR-2242.solr3.1-fix.patch, SOLR-2242.solr3.1.patch, SOLR.2242.solr3.1.patch, SOLR-2242-solr40-3.patch
>
>
> When returning facet.field=<name of field> you will get a list of matches for distinct values. This is normal behavior. This patch tells you how many distinct values you have (# of rows). Use with limit=-1 and mincount=1.
> The feature is called "namedistinct". Here is an example:
> Parameters:
> facet.numTerms or f.<field>.facet.numTerms = true (default is false) - turn on distinct counting of terms
> facet.field - the field to count the terms
> It creates a new section in the facet section...
> http://localhost:8983/solr/select?shards=localhost:8983/solr,localhost:7574/solr&indent=true&q=*:*&facet=true&facet.mincount=1&facet.numTerms=true&facet.limit=-1&facet.field=price
> http://localhost:8983/solr/select?shards=localhost:8983/solr,localhost:7574/solr&indent=true&q=*:*&facet=true&facet.mincount=1&facet.numTerms=false&facet.limit=-1&facet.field=price
> http://localhost:8983/solr/select?shards=localhost:8983/solr,localhost:7574/solr&indent=true&q=*:*&facet=true&facet.mincount=1&facet.numTerms=true&facet.limit=-1&facet.field=price
> This currently only works on facet.field.
> {code}
> <lst name="facet_counts">
> <lst name="facet_queries"/>
> <lst name="facet_fields">...</lst>
> <lst name="facet_numTerms">
> <lst name="localhost:8983/solr/">
> <int name="price">14</int>
> </lst>
> <lst name="localhost:8080/solr/">
> <int name="price">14</int>
> </lst>
> </lst>
> <lst name="facet_dates"/>
> <lst name="facet_ranges"/>
> </lst>
> OR with no sharding-
> <lst name="facet_numTerms">
> <int name="price">14</int>
> </lst>
> {code} 
> Several people use this to get the group.field count (the # of groups).

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