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

    return unless request.post?

    Research.trim_config_yaml nil

    settings

    render(:partial => 'ajax_q_ctrls')

  rescue => evar
    Log.add_error(request, evar)
    render(:partial => 'ajax_q_ctrls')
  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.