@Override
  public List<WritePlanNode> splitByPartition(IAnalysis analysis) {
    TRegionReplicaSet regionReplicaSet =
        analysis.getSchemaPartitionInfo().getSchemaRegionReplicaSet(path.getIDeviceID());
    setRegionReplicaSet(regionReplicaSet);
    return ImmutableList.of(this);
  }
Used when the alterType is UPSERT.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/metadata/write/AlterTimeSeriesNode.java