class AddsVotableCacheFieldToDebates < ActiveRecord::Migration[4.2] def change add_column :debates, :cached_votes_total, :integer, default: 0 add_column :debates, :cached_votes_up, :integer, default: 0 add_column :debates, :cached_votes_down, :integer, default: 0 add_index :debates, :cached_votes_total add_index :debates, :cached_votes_up add_index :debates, :cached_votes_down end end