| From: | Juan José Santamaría Flecha <juanjo(dot)santamaria(at)gmail(dot)com> |
|---|---|
| To: | Joe Conway <mail(at)joeconway(dot)com> |
| Cc: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Inconsistent results with libc sorting on Windows |
| Date: | 2023-06-08 13:45:33 |
| Message-ID: | CAC+AXB0LsY-9iOyFA5bnFQLo_p+-uGoqyb1g08orUBK+Kjc9Vw@mail.gmail.com |
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| Lists: | pgsql-hackers |
> On 6/7/23 07:58, Daniel Verite wrote:
> > Thomas Munro wrote:
> >
> >> > > Also, it does not occur at all if parallel scan is disabled.
> >> >
> >> > Could this be a clue that it is failing to be transitive?
> >>
> >> That vaguely rang a bell for me... and then I remembered this thread:
> >>
> >>
> https://www.postgresql.org/message-id/flat/20191206063401.GB1629883%40rfd.leadboat.com
> >
> > Thanks for the pointer, non-transitive comparisons seem a likely cause
> > indeed.
>
Just to make sure we are all seeing the same problem, does the attached
patch fix your test?
Regards,
Juan José Santamaría Flecha
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-POC-Inconsistent-results-with-libc-sorting-on-Window.patch | application/octet-stream | 1.8 KB |
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