  def destroy_all
    Log.add_info(request, params.inspect)

    return unless request.post?

    ZeptairXlog.delete_all

    flash[:notice] = t('msg.delete_success')
    redirect_to(:action => 'list')
  end
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.