Re: More speedups for tuple deformation - Mailing list pgsql-hackers

On Wed, Feb 25, 2026 at 7:40 AM David Rowley <dgrowleyml@gmail.com> wrote:
> On Wed, 25 Feb 2026 at 07:33, Zsolt Parragi <zsolt.parragi@percona.com> wrote:

> > Won't this mix up column numbers on big-endian systems?
>
> Yes, I believe you're right. I've added the following before the memcpy().
>
> #ifdef WORDS_BIGENDIAN
>
>     /*
>      * Fix byte order on big-endian machines before copying to the array.
>      */
>     isnull_8 = pg_bswap64(isnull_8);
> #endif

I confirmed regression tests bail out early on a big-endian machine
with v9 and pass with v10.

--
John Naylor
Amazon Web Services