David Garamond <lists@zara.6.isreserved.com> writes:
> begin;
> update t set val=val+1; -- 1000 times
> commit;
> How many record versions does it create? 1 or 1000?
1000.
> I'm implementing a
> banner counter which is incremented at least 2-3 millions a day. I
> thought I'd cheat by only commiting after every few minutes. Would that
> work or would I still create as many record versions?
Won't make a difference. You should think seriously about using a
sequence rather than an ordinary table for this.
regards, tom lane
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