WipeOut

gem "wipe_out", "~> 1.0"

# == Schema Info
#
# Table name: users
#
#  id                  :integer(11)    not null, primary key
#  name                :varchar(11)    not null
#  orders_count        :integer(11)    not null
class User < ActiveRecord::Base
end

UserWipeOutPlan = WipeOut.build_plan do
  wipe_out :name
  ignore :orders_count
end

User.last.then { |user| UserWipeOutPlan.execute(user) }