gistfile1.txt

  def attributes_for_indexing
    attributes.reject{ |key, value| ['_id', 'created_at', 'email', 'name', 'project_id', 'tags', 'updated_at'].include?(key) }
  end 

  Sunspot.setup(Submission) do
    text :name, :boost => 2.0
    text :email, :boost => 2.0
    text :project_id, :boost => 2.0
    date :created_at
    date :updated_at
    string :name, :stored => true
    string :email, :stored => true
    text :others do
      attributes_for_indexing.values
    end
  end