func validateTableName(from *TableExpression) error {
	if !strings.EqualFold(from.Table.BaseKey.String(), baseTableName) {
		return errBadTableName(errors.New("table name must be `s3object`"))
	}

	if len(from.Table.PathExpr) > 0 {
		if !from.Table.PathExpr[0].ArrayWildcard {
			return errBadTableName(errors.New("keypath table name is invalid - please check the service documentation"))
		}
	}
	return nil
}

	}
}

func errQueryAnalysisFailure(err error) *s3Error {
	return &s3Error{
		code:       "InvalidQuery",
		message:    err.Error(),
		statusCode: 400,
		cause:      err,
	}
}

func errBadTableName(err error) *s3Error {
	return &s3Error{
		code:       "BadTableName",
		message:    fmt.Sprintf("The table name is not supported: %v", err),
		statusCode: 400,
		cause:      err,
	}
}