| From: | Gevik Babakhani <pgdev(at)xs4all(dot)nl> |
|---|---|
| To: | "Jim C(dot) Nasby" <jimn(at)enterprisedb(dot)com> |
| Cc: | mark(at)mark(dot)mielke(dot)cc, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Andreas Pflug <pgadmin(at)pse-consulting(dot)de> |
| Subject: | Re: [PATCHES] Patch for UUID datatype (beta) |
| Date: | 2006-09-19 13:35:55 |
| Message-ID: | 1158672955.10757.4.camel@voyager.truesoftware.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
> As others have mentioned, using MAC address doesn't remove the
> possibility of a collision.
>
> Maybe a good compromise that would allow a generator function to go into
> the backend would be to combine the current time with a random number.
> That will ensure that you won't get a dupe, so long as your clock never
> runs backwards.
I think that is a reasonable solution. I just wonder if there is a cross
platform way to get the MAC address for all OS we support.
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