thanks
On Mon, Jun 6, 2011 at 11:52 AM, Paul Loy <ketera...@gmail.com> wrote:
> private static int compareTimestampBytes(ByteBuffer o1, ByteBuffer o2)
> {
> int o1Pos = o1.position();
> int o2Pos = o2.position();
>
> int d = (o1.get(o1Pos+6) & 0xF) - (o2.get(o2Pos+6) & 0xF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos+7) & 0xFF) - (o2.get(o2Pos+7) & 0xFF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos+4) & 0xFF) - (o2.get(o2Pos+4) & 0xFF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos+5) & 0xFF) - (o2.get(o2Pos+5) & 0xFF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos) & 0xFF) - (o2.get(o2Pos) & 0xFF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos+1) & 0xFF) - (o2.get(o2Pos+1) & 0xFF);
> if (d != 0) return d;
>
> d = (o1.get(o1Pos+2) & 0xFF) - (o2.get(o2Pos+2) & 0xFF);
> if (d != 0) return d;
>
> return (o1.get(o1Pos+3) & 0xFF) - (o2.get(o2Pos+3) & 0xFF);
> }
>
> Looks like it's only comparing the timestamp bytes.
>
> On Mon, Jun 6, 2011 at 4:06 PM, Patrick Julien <pjul...@gmail.com> wrote:
>>
>> How does this work exactly? If you're using generation 1 time uuids
>> for your keys to get ordering, doesn't this mean the keys need to be
>> generated all on the same host when you either query or insert? Or
>> does cassandra only inspect the bits that represent the time stamp of
>> the UUID when performing a lookup?
>
>
>
> --
> ---------------------------------------------
> Paul Loy
> p...@keteracel.com
> http://uk.linkedin.com/in/paulloy
>
