Re: [PATCHES] Patch for UUID datatype (beta) - Mailing list pgsql-hackers

From Gevik Babakhani
Subject Re: [PATCHES] Patch for UUID datatype (beta)
Date
Msg-id 1158672955.10757.4.camel@voyager.truesoftware.net
Whole thread Raw
In response to Re: [PATCHES] Patch for UUID datatype (beta)  ("Jim C. Nasby" <jimn@enterprisedb.com>)
Responses Re: [PATCHES] Patch for UUID datatype (beta)  ("Jim C. Nasby" <jimn@enterprisedb.com>)
List pgsql-hackers
> 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.




pgsql-hackers by date:

Previous
From: Heikki Linnakangas
Date:
Subject: Getting rid of cmin and cmax
Next
From: Bruce Momjian
Date:
Subject: Re: Release notes