presto-main/src/main/java/io/prestosql/sql/planner/planprinter/PlanPrinter.java/Visitor/visitCorrelatedJoin
class Visitor:        @Override
        public Void visitCorrelatedJoin(CorrelatedJoinNode node, Void context)
        {
            addNode(node,
                    "Lateral",
                    format("[%s%s]",
                            node.getCorrelation(),
                            node.getFilter().equals(TRUE_LITERAL) ? "" : " " + node.getFilter()));

            return processChildren(node, context);
        }