Rails - Jul 2008 - Serialization save problem

This is my class:

class Articulo < ActiveRecord::Base

  serialize :atributos_extendidos, Hash

  def after_find
    self.atributos_extendidos.each do |k,v|
      Articulo.class_eval <<-CODE
        def #{k}
          self.atributos_extendidos ||= {}
          self.atributos_extendidos[:#{k}]
        end
        def #{k}=(val)
          self.atributos_extendidos ||= {}
          self.atributos_extendidos[:#{k}] = val
        end
      CODE
    end
  end
end

And I try this in console:
>> a=Articulo.new(:atributos_extendidos => {:metros =>
"2",:habitaciones => "4"})
>> a.save!
>> a
=> #<Articulo id: 5, ... , atributos_extendidos:
{:metros=>"2",
:habitaciones=>"4"}>
>> c=Articulo.find(5)
=> #<Articulo id: 5, ... , atributos_extendidos:
{:habitaciones=>"4",
:metros=>"2"} >
>> c.habitaciones
=> "4"
>> c.metros
=> "2"
>> c.metros = "4"
=> "4"
>> c
=> #<Articulo id: 5, ... , atributos_extendidos:
{:habitaciones=>"4",
:metros=>"4"}>
>> c.save!
=> true
>> c
=> #<Articulo id: 5, ... , atributos_extendidos:
{:habitaciones=>"4",
:metros=>"4"} >
>> c.reload
=> #<Articulo id: 5, ... , atributos_extendidos:
{:habitaciones=>"4",
:metros=>"2"}>  # metros returns to "2"



Why I can''t save modified values in :atributos_extendidos? What am I
doing wrong?
Thanks
Juan Matías.
-- 
Posted via http://www.ruby-forum.com/.

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Talk" group.
To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
To unsubscribe from this group, send email to
rubyonrails-talk-unsubscribe@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en
-~----------~----~----~----~------~----~------~--~---