sunspot/sunspot — pull request #177 by wildoats (2012-01-30 22:19:48+00:00)
Title: Adding support for range facets

Added support for faceting by a range. The SOLR functionality is described here: http://wiki.apache.org/solr/SimpleFacetParameters#Facet_by_Range

For example:
facet :average_rating, :range => 1..5, :range_interval => 1