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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
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Bill Bell commented on SOLR-2242:
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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:
> http://localhost:8983/solr/select?shards=localhost:8983/solr,localhost:7574/solr&indent=true&q=*:*&facet=true&facet.mincount=1&facet.numFacetTerms=2&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.numFacetTerms=0&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.numFacetTerms=1&facet.limit=-1&facet.field=price
> This currently only works on facet.field.
> {code}
> <lst name="facet_fields">
> <lst name="price">
> <int name="numFacetTerms">14</int>
> <int name="0.0">3</int><int name="11.5">1</int><int
> name="19.95">1</int><int name="74.99">1</int><int name="92.0">1</int><int
> name="179.99">1</int><int name="185.0">1</int><int name="279.95">1</int><int
> name="329.95">1</int><int name="350.0">1</int><int name="399.0">1</int><int
> name="479.95">1</int><int name="649.99">1</int><int name="2199.0">1</int>
> </lst>
> </lst>
> {code}
> Several people use this to get the group.field count (the # of groups).
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