presto-main/src/main/java/io/prestosql/sql/relational/SqlToRowExpressionTranslator.java/SqlToRowExpressionTranslator/visitRow
class SqlToRowExpressionTranslator:        @Override
        protected RowExpression visitRow(Row node, Void context)
        {
            List<RowExpression> arguments = node.getItems().stream()
                    .map(value -> process(value, context))
                    .collect(toImmutableList());
            Type returnType = getType(node);
            return new SpecialForm(ROW_CONSTRUCTOR, returnType, arguments);
        }