@Override
  public TableOperations operations() {
    if (icebergTable instanceof HasTableOperations) {
      return ((HasTableOperations) icebergTable).operations();
    }
    throw new UnsupportedOperationException();
  }
Basic implementation of {@link UnkeyedTable}, wrapping a {@link Table}.
amoro-format-iceberg/src/main/java/org/apache/amoro/table/BasicUnkeyedTable.java