On Tue, Aug 23, 2005 at 11:36:31PM -0500, Jim C. Nasby wrote:
> A better solution is to use a combination of a timestamp and a sequence.
> Why both? Because it's possible for the clock to be set back (though
> this is something best avoided), and a sequence will eventually roll
> over. It's impossible to have a collision in this scenario unless you
> roll the clock way back AND reset the sequence (assuming you're using an
> integer sequence).
Or else use XMIN.
Karsten
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