class CreateNationalRegions < ActiveRecord::Migration def self.up create_table :national_regions do |t| t.string :name t.string :national_region_code t.string :parent_national_region_code t.timestamps end add_index(:national_regions, :national_region_code, {:name => "code_index"}) add_index(:national_regions, :name, {:name => "name_index"}) end def self.down drop_table :national_regions end end