| From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Dian M Fay <dian(dot)m(dot)fay(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, David Steele <david(at)pgmasters(dot)net>, Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, David Fetter <david(at)fetter(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Oleksandr Shulgin <oleksandr(dot)shulgin(at)zalando(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Oleg Bartunov <obartunov(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] [PATCH] Generic type subscripting |
| Date: | 2021-02-01 08:39:31 |
| Message-ID: | 20210201083931.mhwqwrhbk3claoib@localhost |
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| Thread: | |
| Lists: | pgsql-hackers |
> On Fri, Jan 29, 2021 at 7:01 PM Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
> Pushed with minor cleanup.
Thanks a lot!
> On Sun, Jan 31, 2021 at 05:23:25PM -0500, Tom Lane wrote:
>
> thorntail seems unhappy:
>
> [From 7c5d57c...]
> Fix portability issue in new jsonbsubs code.
>
> On machines where sizeof(Datum) > sizeof(Oid) (that is, any 64-bit
> platform), the previous coding would compute a misaligned
> workspace->index pointer if nupper is odd. Architectures where
> misaligned access is a hard no-no would then fail. This appears
> to explain why thorntail is unhappy but other buildfarm members
> are not.
Yeah, that was an unexpected issue, thanks! I assume few other failing
buildfarm members are the same, as they show similar symptoms (e.g.
mussurana or ibisbill).
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