@Override
    public String identifier(String tableIdentifier) {
      final File location;

      try {
        TableIdentifier identifier = TableIdentifier.parse(tableIdentifier);
        location = temp.newFolder(ObjectArrays.concat(identifier.namespace().levels(), identifier.name()));
      } catch (IOException ioe) {
        throw new UncheckedIOException(ioe);
      }

      Assert.assertTrue(location.delete());
      return "file://" + location;
    }
Truncates an Iceberg table.
@param table The iceberg table to truncate
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestTables.java