On Tue, Jun 13, 2006 at 12:10:26PM -0300, Carlos H. Reimer wrote:
> When xid overflows (32 bits) the next one will be 3 (1 and 2 are reserved).
>
> In this case, we could have have lines with cmin 4.294.967.295 and lines
> with cmin 3. How are they compared to determine that
> rows with cmin 3 are
"Carlos H. Reimer" <[EMAIL PROTECTED]> writes:
> I would like to understand better the logic to determine when a xid is older
> than another one.
It's circular mod 2^32, with a special case for FrozenXID. It's a
mistake to imagine that XIDs are unsigned ints, really --- the
comparison doesn't wor