presto-main/src/main/java/io/prestosql/sql/planner/planprinter/PlanPrinter.java/PlanPrinter/visitSpatialJoin
class PlanPrinter:        @Override
        public Void visitSpatialJoin(SpatialJoinNode node, Void context)
        {
            NodeRepresentation nodeOutput = addNode(node,
                    node.getType().getJoinLabel(),
                    format("[%s]", node.getFilter()));

            nodeOutput.appendDetailsLine("Distribution: %s", node.getDistributionType());
            node.getLeft().accept(this, context);
            node.getRight().accept(this, context);

            return null;
        }