Tom Lane wrote:
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.

I meant dead as in HeapTupleSatisfiesVacuum(...) == HEAPTUPLE_DEAD.

  Heikki Linnakangas

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