code: func (s *KillQueryStatement) String() string {
  	var buf bytes.Buffer
  	_, _ = buf.WriteString("KILL QUERY ")
  	_, _ = buf.WriteString(strconv.FormatUint(s.QueryID, 10))
  	if s.Host != "" {
  		_, _ = buf.WriteString(" ON ")
  		_, _ = buf.WriteString(QuoteIdent(s.Host))
  	}
  	return buf.String()
  }
docs: // String returns a string representation of the kill query statement.