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20120919063304_add_username_to_users.rb 423B

    class AddUsernameToUsers < ActiveRecord::Migration class User < ActiveRecord::Base end def up add_column :users, :username, :string User.find_each do |user| user.update_attribute :username, user.email.gsub(/@.*$/, '') end change_column :users, :username, :string, :null => false add_index :users, :username, :unique => true end def down remove_column :users, :username end end