discourse/db/migrate/20171113214725_add_time_read_to_user_visits.rb

# frozen_string_literal: true

class AddTimeReadToUserVisits < ActiveRecord::Migration[5.1]
  def up
    add_column :user_visits, :time_read, :integer, null: false, default: 0 # in seconds
    add_index :user_visits, %i[user_id visited_at time_read]
  end

  def down
    remove_index :user_visits, %i[user_id visited_at time_read]
    remove_column :user_visits, :time_read
  end
end