view .svn/pristine/e6/e6bda0fade07e3c97fb5d8fdb6396feed05e26ae.svn-base @ 1192:3c9ca27c2d3d feature_564

Add approximate back-of-envelope calculation of project maturity

class AddWatchersUserIdTypeIndex < ActiveRecord::Migration
  def self.up
    add_index :watchers, [:user_id, :watchable_type], :name => :watchers_user_id_type
  end

  def self.down
    remove_index :watchers, :name => :watchers_user_id_type
  end
end