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Re: pgsql: Fix portability issue in new jsonbsubs code. - Mailing list pgsql-committers

From Alexander Korotkov
Subject Re: pgsql: Fix portability issue in new jsonbsubs code.
Date
Msg-id CAPpHfdsn-WRQYp+ivSqsuEi4_mbbJsoi-78uGh8XfabLKR7agQ@mail.gmail.com
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In response to pgsql: Fix portability issue in new jsonbsubs code.  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Mon, Feb 1, 2021 at 10:04 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 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.

Thank you for fixing this!

------
Regards,
Alexander Korotkov

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