Re: Sort functions with specialized comparators

> On 5 Dec 2024, at 15:16, John Naylor <johncnaylorls(at)gmail(dot)com> wrote:
>
> I tried on an older Intel chip and got similar results, so we'll go
> with your original comparator:

Ack.

> I believe src/port/qsort.c was meant to be just for the standard sort
> interface as found in a C library. We do have one globally visible
> special sort here:
> src/backend/utils/sort/qsort_interruptible.c
> ...so that directory seems a better fit.
OK. BTW do we need ST_CHECK_FOR_INTERRUPTS?

> The declaration is in
> src/include/port.h, though. Note: that one doesn't have a global
> wrapper around a static function -- it's declared global since
> ST_SCOPE is not defined.
Added static.

>
> And one more bikeshedding bit that might get noticed: tuplesorts
> express their boolean as "reversed". We don't necessarily need to
> follow that, but consistency is good for readability.

I do not know if "reversed sorting order" is more idiomatic than "ascending sorting order". If you think it is - let's switch argument's name to "reversed".

Best regards, Andrey Borodin.