class CreateFriendlyIdSlugs < ActiveRecord::Migration[4.2] def self.up create_table :friendly_id_slugs do |t| t.string :slug, :null => false t.integer :sluggable_id, :null => false t.string :sluggable_type, :limit => 40 t.datetime :created_at end add_index :friendly_id_slugs, :sluggable_id add_index :friendly_id_slugs, [:slug, :sluggable_type], :unique => true add_index :friendly_id_slugs, :sluggable_type end def self.down drop_table :friendly_id_slugs end end