class CreateBuildListItems < ActiveRecord::Migration def self.up create_table :build_list_items, force: true do |t| t.string :name t.integer :level t.integer :status t.integer :build_list_id t.timestamps end add_index :build_list_items, :build_list_id end def self.down remove_index :build_list_items, :build_list_id drop_table :build_list_items end end