--- /dev/null
+class AddOpenId < ActiveRecord::Migration
+ def self.up
+ add_column :users, :openid_url, :string
+ add_index :users, [:openid_url], :name => "user_openid_url_idx", :unique => true
+ end
+
+ def self.down
+ remove_index :users, :name => "user_openid_url_idx"
+ remove_column :users, :openid_url
+ end
+end