You have mentioned Pivot Facets, but have you looked at the Path Hierarchy
Tokenizer Factory:
http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.PathHierarchyTokenizerFactory
This matches your use case, as best as I understand it.
Jason
On May 28, 2013, at 12:47 PM, vibhoreng04
Hi Erick and Markus,
Any Idea on this ? can we resolve this by group by queries?
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