[jira] [Updated] (SOLR-2898) Support grouped faceting

["Martijn van Groningen (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-2898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martijn van Groningen updated SOLR-2898:
----------------------------------------

    Attachment: SOLR-2898.patch

Attached a new patch that takes another approach. Patch contains the TermGroupFacetCollector class that performs the grouped faceting. Grouped faceting is now per segment instead of top level. Grouped faceting works the same as in the previous patch.

I think this approach is cleaner and grouped faceting isn't just a hack any more.

The TermGroupFacetCollector collector is located in the grouping module. I'll open a new Lucene issue with the purpose of getting this collector committed to the grouping module. This issue will then depend on the new Lucene issue.
                
> Support grouped faceting
> ------------------------
>
>                 Key: SOLR-2898
>                 URL: https://issues.apache.org/jira/browse/SOLR-2898
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Martijn van Groningen
>         Attachments: SOLR-2898.patch, SOLR-2898.patch, SOLR-2898.patch
>
>
> Support grouped faceting. As described in LUCENE-3097 (matrix counts).

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