protected PartialPath readTargetPath(DataInputStream stream)
      throws IllegalPathException, IOException {
    return new PartialPath(ReadWriteIOUtils.readString(stream), false);
  }
Deserialize from wal.

@param stream - DataInputStream
@return RelationalInsertRowNode
@throws IOException - If an I/O error occurs.
@throws IllegalArgumentException - If meets illegal argument.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/write/RelationalInsertRowNode.java