Tom Lane said:
> Andrew Dunstan <andrew@dunslane.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 :-)
cheers
andrew