discourse/db/migrate/20120625145714_add_seen_notification_id_to_users.rb

class AddSeenNotificationIdToUsers < ActiveRecord::Migration
  def change

    execute "TRUNCATE TABLE notifications"

    add_column :users, :seen_notificaiton_id, :integer, default: 0, null: false
    add_column :notifications, :forum_thread_id, :integer, null: true
    add_column :notifications, :post_number, :integer, null: true
  end
end