@Override
  public UpdateSchema addRequiredColumn(String name, Type type, String doc) {
    baseTableUpdateSchema.addRequiredColumn(name, type, doc);
    changeTableUpdateSchema.addRequiredColumn(name, type, doc);
    return this;
  }
Schema evolution API implementation for {@link KeyedTable}.
amoro-format-iceberg/src/main/java/org/apache/amoro/op/KeyedSchemaUpdate.java