Given this (fictional) setup.

class Folder < ActiveRecord::Base
  # Fields: id, name
  has_many :files
  define_index do
    indexes name
    indexes files.name, :as => :file_names
  end
end
class File < ActiveRecord::Base
  # Fields: id, folder_id, name
  belongs_to :folder
end

irb> folder = Folder.create!(:name => 'no-match')
irb> folder.files.create!(:name => 'matching-text')

Given that I've indexed, I can issue these queries to return the
matching folder object:

irb> ThinkingSphinx.search 'matching-text'
irb> Folder.search 'matching-text'

How would I go about displaying an excerpt in this case?  The
#excerpts method just returns the folder object with the name field
html escaped.  I'd expect (although I'm new to thinking_sphinx/sphinx
so this might not be possible) to be able to use something like
result.excerpts.file_names (i.e. the alias in Folder.define_index) to
get something that I could display in my search results.  Should I be
doing something else or is this not possible at the moment?

Cheers, Chris

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