private AbstractAggTableScanOperator.AbstractAggTableScanOperatorParameter
      constructAbstractAggTableScanOperatorParameter(
          AggregationTableScanNode node, LocalExecutionPlanContext context) {
    return constructAbstractAggTableScanOperatorParameter(
        node,
        context,
        AbstractAggTableScanOperator.class.getSimpleName(),
        Collections.emptyMap(),
        Long.MAX_VALUE);
  }
This Visitor is responsible for transferring Table PlanNode Tree to Table Operator Tree.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/TableOperatorGenerator.java