class PartitionedArtist
  include Mongoid::Document
  include Mongoid::FullTextSearch
  
  field :full_name
  field :exhibitions, type: Array, default: []
  
  fulltext_search_in :full_name, 
    :index_name => 'mongoid_fulltext.partitioned_artists',
    :filters => { 
      :has_exhibitions => lambda { |x| x.exhibitions.size > 0 },
      :exhibitions => lambda { |x| [ x.exhibitions ].flatten },
    }

end