@Override
  public ConnectorTableHandle beginStatisticsCollection(
      ConnectorSession session, ConnectorTableHandle tableHandle) {
    IcebergTableHandle handle = (IcebergTableHandle) tableHandle;
    Table icebergTable = loadTable(session, handle.getSchemaTableName());
    beginTransaction(icebergTable);
    return handle;
  }
Iceberg original metadata has some problems for mixed-format table, such as iceberg version,
table type. So copy from IcebergMetadata and made some change
amoro-format-mixed/amoro-mixed-trino/src/main/java/org/apache/amoro/trino/unkeyed/IcebergMetadata.java