Thinking Sphinx and acts_as_taggable_on plugin

Question

I installed Sphinx and Thinking Sphinx for ruby on rails 2.3.2.

When I search without conditions search works ok. Now, what I\'d like to do is filter by tags, so, as

Answer 1

I found that simply defining the index thus:

Class Thing < ActiveRecord::Base    

acts_as_taggable

     define_index do
        ..other indexing...
        indexes taggings.tag.name, :as => :tags
     end
end

worked fine.