docbrown/db/migrate/20171026214850_add_follow_counter_cache_to_users.rb

class AddFollowCounterCacheToUsers < ActiveRecord::Migration[5.1]
  def change
    add_column :users, :following_tags_count, :integer, null: false, default: 0
    add_column :users, :following_users_count, :integer, null: false, default: 0
    add_column :users, :following_orgs_count, :integer, null: false, default: 0
  end
end