}
		return "false"
	case string:
		return x
	case int64:
		return strconv.FormatInt(x, 10)
	case float64:
		return strconv.FormatFloat(x, 'g', -1, 64)
	case time.Time:
		return FormatSQLTimestamp(x)
	case []byte:
		return string(x)
	case []Value:
		b, _ := json.Marshal(x)
		return string(b)

	default:
		return "CSV serialization not implemented for this type"
	}
}