@Override
  public List<PlanNode> visitDeviceRegionScan(
      DeviceRegionScanNode node, DistributionPlanContext context) {
    return processRegionScan(node, context);
  }
aggregation align by device, and aggregation is `count_if` or `diff`, or aggregation used with
group by parameter (session, variation, count), use the old aggregation logic
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/distribution/SourceRewriter.java