Rails - Dec 2007 - Making updates in after_create callbacks

Hi,

I''m seeing weird behavior on my live sites (can''t seem to
duplicate in
development).  Using Ruby 1.8.6 on solaris with postgresql.

I often times have code that looks like:

class Order
  belongs_to :user
  after_create :make_super_user
  def make_super_user
    if user.orders.count >= 50
      user.make_super!
    end
  end
end

class User
  has_many :orders
  def make_super!
    update_attribute :super, true
  end
end

That sort of thing, where there''s some check in an after_create
callback that does a count and then modifies another object.  However,
these callbacks don''t seem to be running correctly.   Sometimes Users
aren''t made super after 50 orders.  Or, in this example:

class QuestionAnswer
  belongs_to :question
  after_create :rotate_question
  def rotate_question
    Question.rotate! if question.question_answers.count >= 100
  end
end

Sometimes Question.rotate! is called if
question.question_answers.count is less than 100.  It''s very weird.
Anyone see anything like this?
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