gistfile1.ru

require 'dm-core'
require 'dm-migrations'
require 'dm-types'

DataMapper.setup(:default, "mysql://localhost/dm_core_test")

class Heffalump
  include DataMapper::Resource

  property :id, UUID, :key => true, :default => lambda{UUIDTools::UUID.random_create}
  property :color, String
  property :num_spots, Integer
  property :striped, Boolean
end

DataMapper.auto_migrate!

h = Heffalump.create(:color => 'red')
h.num_spots = 3