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From "Martijn van Groningen (JIRA)" <>
Subject [jira] [Commented] (SOLR-2898) Support grouped faceting
Date Sat, 21 Apr 2012 08:58:34 GMT


Martijn van Groningen commented on SOLR-2898:

Bjorn: Right now I don't have an idea when this will be added. If you want you can make a
new Jira issue to support grouped range and query facets.

David: The FacetComponent operates on a DocSet computed by the QueryComponent. Grouped facets
works only as expected on the ungrouped DocSet which is created by default. The QueryComponent
creates a grouped DocSet when group.truncate is enabled. So instead of creating one DocSet,
the QueryComponent then needs to generate two DocSets (grouped & ungrouped), so that the
StatsComponent can operate on the grouped DocSet when group.truncate is enabled and the FacetComponent
can operate on the ungrouped docset when group.facet is enabled.
> Support grouped faceting
> ------------------------
>                 Key: SOLR-2898
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Martijn van Groningen
>             Fix For: 4.0
>         Attachments: SOLR-2898.patch, SOLR-2898.patch, SOLR-2898.patch, SOLR-2898.patch
> Support grouped faceting. As described in LUCENE-3097 (matrix counts).

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