module ActiveRecord::Callbacks

def destroy # :nodoc:
  @_destroy_callback_already_called ||= false
  return if @_destroy_callback_already_called
  @_destroy_callback_already_called = true
  _run_destroy_callbacks { super }
rescue RecordNotDestroyed => e
  @_association_destroy_exception = e
  false
ensure
  @_destroy_callback_already_called = false
end