public void setStorageGroupList(List<String> storageGroupList) {
    this.storageGroupList = storageGroupList;
  }
This class defines the scanned result merge task of schema fetcher.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/metadata/read/SchemaFetchMergeNode.java