Maxim Orlov <orlovmg(at)gmail(dot)com> writes:
>> -1. Having to touch all the call sites like this outweighs
>> any claimed advantage: it makes them uglier and it will greatly
>> complicate any back-patching we might have to do in those areas.
> Ok, got it. But what if we change the semantics of these calls to
> xid = TransactionIdAdvance(xid) ?
Uh ... you'd still have to touch all the call sites.
regards, tom lane