Actually it occurred to me that doing something like this might work:
if I have a category of root/books/scifi for a document I'd create the
following values for the facet:
0/root
1/root
1/root/books
2/root
2/root/books
2/root/books/scifi
Then to get level 1 I'd do:
http://localhost
Hi,
I'm using the PathHierarchyTokenizer like this:
to create path based facets.
A query like:
http://localhost:8982/solr/articles/select?facet=true&start=0&q=*:*&facet.field=my_path_based_facet&wt=ruby&indent=on
gives facets that look like
