Rails 3 skip validations and callbacks

Question

I have a particularly complex model with validations and callbacks defined. The business needs now calls for a particular scenario where adding a new record requires skippin

Answer 1

What about adding a method to your model that let's you skip the callbacks?

class Foo < ActiveRecord::Base
  after_save :do_stuff

  def super_secret_create(attrs)
    self.skip_callback(:create)
    self.update_attributes(attrs)
    self.save(:validate => false)
    self.set_callback(:create)
  end
end

If you end up using something like this, I would recommend using self in the method instead of the model name to avoid connascence of name.

I also ran across a gist from Sven Fuchs that looks nice, it's here

Answer 2

This works in Rails 3:

Model.skip_callback(:create)
model.save(:validate => false)
Model.set_callback(:create)

(API docs and related question)

Answer 3

Use ActiveRecord::Persistence#update_column, like this:

Model.update_column(field, value)