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From Michael McCandless <luc...@mikemccandless.com>
Subject Re: sorting biginteger
Date Sat, 27 Aug 2016 17:51:50 GMT
I think to sort properly you must also ensure all byte[] from those
BigIntegers are the same length, and that you sign extend them?
Mike McCandless

http://blog.mikemccandless.com


On Sun, Aug 21, 2016 at 5:50 AM, Cristian Lorenzetto
<cristian.lorenzetto@gmail.com> wrote:
> I took a look for bigInteger point but i didnt see no reference for
> sorting,
> and SortedNumericDocValuesField accept long not biginteger.
>
>
> I thought to sort so :
>
> BigInteger bi = (BigInteger) o;
> byte[] b = bi.toByteArray();
> NumericUtils.bigIntToSortableBytes(bi, BigIntegerPoint.BYTES, b, 0);
> doc.add(new SortedSetDocValuesField(key, new BytesRef(b)));
>
> it is correct and it is the best practice ?

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