@Override
  public long getMemorySize() {
    if (memorySize == 0) {
      memorySize = InsertNodeMemoryEstimator.sizeOf(this);
    }
    return memorySize;
  }
Deserialize measurement schemas. Make sure the measurement schemas and measurements have been
created before calling this
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/plan/node/write/InsertNode.java