@Override
    public ClickHouseNestedValue update(Enumeration<?> value) {
        if (value == null) {
            return resetToNullOrEmpty();
        }

        List<Object> v = new LinkedList<>();
        while (value.hasMoreElements()) {
            v.add(value.nextElement());
        }
        return set(new Object[][] { v.toArray(new Object[v.size()]) });
    }
Gets immutable list of nested columns.

@return immutable list of columns
clickhouse-data/src/main/java/com/clickhouse/data/value/ClickHouseNestedValue.java