view db/migrate/108_add_identity_url_to_users.rb @ 447:565f82b8ff9c feature_36

added the uniq option to the publicatioin models to remove duplicate authors

class AddIdentityUrlToUsers < ActiveRecord::Migration
  def self.up
    add_column :users, :identity_url, :string
  end

  def self.down
    remove_column :users, :identity_url
  end
end