presto-main/src/main/java/io/prestosql/sql/planner/DistributedExecutionPlanner.java/DistributedExecutionPlanner/visitTableDelete
class DistributedExecutionPlanner:        @Override
        public Map<PlanNodeId, SplitSource> visitTableDelete(TableDeleteNode node, Void context)
        {
            // node does not have splits
            return ImmutableMap.of();
        }