discourse/db/migrate/20130205021905_alter_facebook_user_id.rb

class AlterFacebookUserId < ActiveRecord::Migration
  def up
    change_column :facebook_user_infos, :facebook_user_id, :integer, :limit => 8, null: false
  end

  def down
    change_column :facebook_user_infos, :facebook_user_id, :integer, null: false
  end
end