On Wed, 23 Jun 2021 at 01:26, Thomas Munro <thomas.munro@gmail.com> wrote:
> If you change the SELECT list to output alias3::text, there's a
> different value there:
Yeah, if I change it to ORDER BY alias3.lastname, nullnamesb.id;
instead of ORDER BY alias3.*, nullnamesb.id; then the tie break using
btint4fastcmp() is called more often. It's also getting called with
the missing 4s which I mentioned upthread.
See the two outputs. That points me towards something weird going on
in record_cmp().
David
