@Override
          public IDeviceSchemaInfo next() {
            if (!hasNext()) {
              throw new NoSuchElementException();
            }
            IDeviceSchemaInfo result = next;
            next = null;
            return result;
          }
Get node by the path

@return last node in given seriesPath
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/schemaregion/mtree/impl/mem/MTreeBelowSGMemoryImpl.java