@Override
    public CatalogColumnStatistics getTableColumnStatistics(ObjectPath tablePath)
            throws CatalogException {
        return CatalogColumnStatistics.UNKNOWN;
    }
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