class CreateProfiles < ActiveRecord::Migration[4.2] def change create_table :profiles do |t| t.references :user, index: true, foreign_key: true t.references :user_group, index: true t.references :library, index: true t.string :locale t.string :user_number t.text :full_name t.text :note t.text :keyword_list t.references :required_role, index: false t.timestamps end add_index :profiles, :user_number, unique: true end end