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

    return unless request.post?

    holidays = params[:holidays]
    unless holidays.nil?
      SqlHelper.validate_token([holidays])
      holidays.each do |schedule_id|
        Schedule.destroy(schedule_id)
      end
    end

    @holidays = Schedule.get_holidays
    render(:partial => 'config_holidays', :layout => false)
  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.