public void dropColumnFamily(String columnFamilyName) {
        Preconditions.checkArgument(!closed);

        managedDescriptorMap.computeIfPresent(columnFamilyName, (colFamilyName, descriptor) -> {
            ColumnFamilyHandle handle = managedHandlesMap.get(colFamilyName);
            try {
                getRocksDB().dropColumnFamily(handle);
                handle.close();
            } catch (RocksDBException e) {
                throw new RuntimeException(e);
            }
            managedHandlesMap.remove(columnFamilyName);
            return null;
        });
    }
Note : Does not delete from underlying DB. Just closes the handle.

@param columnFamilyName Column Family Name
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/collections/RocksDBDAO.java