@Override
    public ClickHouseNestedValue update(Collection<?> value) {
        int size = value == null ? 0 : value.size();
        if (size == 0) {
            return resetToNullOrEmpty();
        }

        Object[] v = new Object[size];
        int index = 0;
        for (Object o : value) {
            v[index++] = o;
        }
        return set(new Object[][] { v });
    }
Gets immutable list of nested columns.

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