return errInvalidScanRangeParameter(err)
	}
	parsedS3Select.ExpressionType = strings.ToLower(parsedS3Select.ExpressionType)
	if parsedS3Select.ExpressionType != "sql" {
		return errInvalidExpressionType(fmt.Errorf("invalid expression type '%v'", parsedS3Select.ExpressionType))
	}

	if parsedS3Select.Input.IsEmpty() {

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidExpressionType: {
		Code:           "InvalidExpressionType",
		Description:    "The ExpressionType is invalid. Only SQL expressions are supported at this time.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBusy: {
		Code:           "ServerBusy",