class CreateRights < ActiveRecord::Migration[4.2] def self.up create_table :rights, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t| t.column 'name', :string t.column 'controller', :string t.column 'action', :string end create_table :rights_roles, :id => false, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci" do |t| t.column 'right_id', :integer t.column 'role_id', :integer end add_index :rights_roles, :role_id end def self.down drop_table :rights_roles drop_table :rights end end