@Override
    public ClickHouseNestedValue update(byte[] value) {
        int len = value == null ? 0 : value.length;
        Byte[] v = new Byte[len];
        if (len > 0) {
            int index = 0;
            for (byte b : value) {
                v[index++] = b;
            }
        }
        set(new Object[][] { v });
        return this;
    }
Gets immutable list of nested columns.

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