presto-main/src/main/java/io/prestosql/cost/CostCalculatorUsingExchanges.java/CostCalculatorUsingExchanges/visitSpatialJoin
class CostCalculatorUsingExchanges:        @Override
        public PlanCostEstimate visitSpatialJoin(SpatialJoinNode node, Void context)
        {
            LocalCostEstimate localCost = calculateJoinCost(
                    node,
                    node.getLeft(),
                    node.getRight(),
                    node.getDistributionType() == SpatialJoinNode.DistributionType.REPLICATED);
            return costForLookupJoin(node, localCost);
        }