Heikki Linnakangas <[EMAIL PROTECTED]> writes: > In each chain, there must be at least one non-dead tuple with xmin < > Oldestxmin.
Huh? Typically *all* the tuples but the last are dead, for varying values of "dead". Please be more specific what you mean. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend