class <%= migration_class_name %> < ActiveRecord::Migration<%= migration_version %>

def change
  create_table :ahoy_messages<%= primary_key_type %> do |t|
    t.references :user<%= foreign_key_type %>, polymorphic: true
    <%= to_column %>
    t.string :mailer
    t.text :subject
    t.datetime :sent_at
  end
end

end