| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PATCHES] log session end - again |
| Date: | 2004-02-03 16:14:34 |
| Message-ID: | 200402031614.i13GEY310454@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches |
Andrew Dunstan wrote:
> Tom Lane said:
> > Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> >> I'm not sure I understand. I didn't suggest that a sequence should be
> >> used for txn ids. For the purpose I had in mind we would call
> >> nextval() once per connection,
> >
> > Oh, okay, I misunderstood. But why not just use the PID?
> >
>
> Bruce and others have suggested that PID is not sufficiently unique.
> Personally, I can live with it :-)
The nice things about using xid for session id is that is is unique for
a long time, rather than pid.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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