class IAmICanCreate<%= "#{name.underscore}_role_groups".camelize %> < ActiveRecord::Migration::Current
  def change
    create_table :<%= "#{name.underscore}_role_groups" %>, force: :cascade do |t|
      t.string  :name,           null: false
      t.integer :member_ids,     array: true, default: [ ]
      t.integer :permission_ids, array: true, default: [ ]
      t.string  :desc

      t.timestamps
    end

    add_index :<%= "#{name.underscore}_role_groups" %>, :name, unique: true, name: 'role_group_unique_index', using: :btree
  end
end