private Table loadIcebergTable(ObjectPath tablePath) throws TableNotExistException {
        try {
            Table table = icebergCatalog.loadTable(toIdentifier(tablePath));
            if (cacheEnabled) {
                table.refresh();
            }

            return table;
        } catch (org.apache.iceberg.exceptions.NoSuchTableException e) {
            throw new TableNotExistException(getName(), tablePath, e);
        }
    }
Append a new level to the base namespace
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/FlinkCatalog.java