presto-main/src/main/java/io/prestosql/operator/DeleteOperator.java/DeleteOperatorFactory/DeleteOperatorFactory
class DeleteOperatorFactory:        public DeleteOperatorFactory(int operatorId, PlanNodeId planNodeId, int rowIdChannel)
        {
            this.operatorId = operatorId;
            this.planNodeId = requireNonNull(planNodeId, "planNodeId is null");
            this.rowIdChannel = rowIdChannel;
        }