Chris@0: class AddVersionsSharing < ActiveRecord::Migration
Chris@0:   def self.up
Chris@0:     add_column :versions, :sharing, :string, :default => 'none', :null => false
Chris@0:     add_index :versions, :sharing
Chris@0:   end
Chris@0: 
Chris@0:   def self.down
Chris@0:     remove_column :versions, :sharing
Chris@0:   end
Chris@0: end