# frozen_string_literal: true class ChangeTableActivities < ActiveRecord::Migration[5.1] def change add_reference :activities, :subject, polymorphic: true, index: true add_reference :activities, :team, index: true add_column :activities, :group_type, :integer rename_column :activities, :user_id, :owner_id add_column :activities, :values, :json change_column_null :activities, :message, :string, true end end