class <%= migration_class_name %> < ActiveRecord::Migration def change create_table :ahoy_messages do |t| t.string :token # user t.text :to t.integer :user_id t.string :user_type # optional - feel free to remove t.string :mailer t.text :subject t.text :content # optional # t.string :utm_source # t.string :utm_medium # t.string :utm_term # t.string :utm_content # t.string :utm_campaign # timestamps t.timestamp :sent_at t.timestamp :opened_at t.timestamp :clicked_at end add_index :ahoy_messages, [:token] add_index :ahoy_messages, [:user_id, :user_type] end end