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Hive >> mail # user >> How to generate global unique ID?


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Re: How to generate global unique ID?
Hi, Tim,

I think sequential integer would be better. Is it difficult to generate a
global integer?
BTW: how to generate UUID in Hive? thanks

Regards,
afancy

On Tue, Nov 16, 2010 at 9:11 AM, Tim Robertson <[EMAIL PROTECTED]>wrote:

> Does it need to be a sequential INT? If not, then a UUID works very well.
>
> Cheers,
> Tim
>
>
> On Tue, Nov 16, 2010 at 8:55 AM, afancy <[EMAIL PROTECTED]> wrote:
> > Hi, Zhang,
> > How to integrate this snowflake with Hive?  Thanks!
> > Regards,
> > afancy
> >
> > On Mon, Nov 15, 2010 at 10:35 AM, Jeff Zhang <[EMAIL PROTECTED]> wrote:
> >>
> >> Please refer https://github.com/twitter/snowflake
> >>
> >>
> >>
> >> On Mon, Nov 15, 2010 at 5:09 PM, afancy <[EMAIL PROTECTED]> wrote:
> >> > Hi,
> >> > Does anybody know how to generate a unique ID in Hive? I have a table:
> >> > hive> describe results;
> >> > OK
> >> > id int
> >> > test string
> >> > Time taken: 0.091 seconds
> >> >
> >> > When I insert data into the table results, i want to generate a unqiue
> >> > Id,
> >> > which is like a sequence in RDBMS.
> >> > Regards,
> >> > afancy
> >>
> >>
> >>
> >> --
> >> Best Regards
> >>
> >> Jeff Zhang
> >
> >
>