presto-parser/src/main/java/io/prestosql/sql/SqlFormatter.java/Formatter/visitAliasedRelation
class Formatter:        @Override
        protected Void visitAliasedRelation(AliasedRelation node, Integer indent)
        {
            process(node.getRelation(), indent);

            builder.append(' ')
                    .append(formatExpression(node.getAlias()));
            appendAliasColumns(builder, node.getColumnNames());

            return null;
        }