Bruce Momjian <pgman@candle.pha.pa.us> writes:
> What ideas do you have to help him?
Eat the four-byte overhead.
Quite frankly, given the other functionality and performance issues
he has to solve in the next ten days (see my other message just now),
I think he'd be a fool to spend one more minute on phantom XIDs.
Maybe for 7.6 someone will have the time to make the idea work.
regards, tom lane