class AddTwitterUserInfo < ActiveRecord::Migration def change create_table :twitter_user_infos do |t| t.integer :user_id, null: false t.string :screen_name, null: false t.integer :twitter_user_id, null: false t.timestamps end add_index :twitter_user_infos, [:twitter_user_id], unique: true add_index :twitter_user_infos, [:user_id], unique: true end end