public List<List<ModEntry>> getPathModifications(
      TsFileResource tsFileResource, IDeviceID deviceID, List<String> measurementList) {
    int n = measurementList.size();
    List<List<ModEntry>> ans = new ArrayList<>(n);
    for (String s : measurementList) {
      ans.add(getPathModifications(tsFileResource, deviceID, s));
    }
    return ans;
  }
Find the modifications of all aligned 'paths' in 'modFile'. If they are not in the cache, read
them from 'modFile' and put then into the cache.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/fragment/QueryContext.java