Chris@909: class AddVersionsSharing < ActiveRecord::Migration
Chris@909:   def self.up
Chris@909:     add_column :versions, :sharing, :string, :default => 'none', :null => false
Chris@909:     add_index :versions, :sharing
Chris@909:   end
Chris@909: 
Chris@909:   def self.down
Chris@909:     remove_column :versions, :sharing
Chris@909:   end
Chris@909: end