Tom Lane wrote:
> Heikki Linnakangas <heikki@enterprisedb.com> 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.
I meant dead as in HeapTupleSatisfiesVacuum(...) == HEAPTUPLE_DEAD.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com