bkrug wrote:
> Matheus de Oliveira wrote
> > It changed in recent versions (9.3 or 9.4, I don't recall exactly which)
> > and moved to tuple header, but what you described is exactly what was
> > done,
> > the xid was 2.
>
> Should the relfrozenxid of pg_class then equal 2 for very old and already
> vacuumed tables? Because that is not what I am seeing.
No. The problem is that it's not easy to change the relfrozenxid when
an INSERT/UPDATE command creates a tuple with a non-frozen XID.
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Álvaro Herrera http://www.2ndQuadrant.com/
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