Greg Stark <stark(at)mit(dot)edu> writes:
> On Fri, Jan 31, 2014 at 3:19 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
>> Isn't the page 3634978?
> The page in the record is.
> But the page on disk is in the 54th segment at offset 1F0C0000
> So unless my arithmetic is wrong:
> bc -l
> ibase=16
> 400 * 400 * 400 / 2000 * 54 + 1F0C0000 / 2000
> 11073632
At least two of us are confused. I get
# select ((2^30) * 54.0 + 'x1F0C0000'::bit(32)::int) / 8192;
?column?
----------
7141472
(1 row)
regards, tom lane