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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mark Dilger <mark.dilger@enterprisedb.com>
Cc: Noah Misch <noah@leadboat.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: Andrey M. Borodin <x4mmm@yandex-team.ru>
Cc: Stephen Frost <sfrost@snowman.net>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Amul Sul <sulamul@gmail.com>
Cc: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: pg_amcheck contrib application
Date: Sat, 13 Mar 2021 01:36:11 -0500
Message-ID: <2591070.1615617371@sss.pgh.pa.us> (raw)
In-Reply-To: <E57D4481-19AB-4291-AB2D-3364CA073AD3@enterprisedb.com>
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Mark Dilger <mark.dilger@enterprisedb.com> writes:
> On Mar 12, 2021, at 10:22 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Coping with both endiannesses might be painful.

> Not too bad if the bigint value is zero, as both the low and high 32bits will be zero, regardless of endianness.  The question is whether that gives up too much in terms of what the test is trying to do.  I'm not sure that it does, but if you'd rather solve this by upgrading perl, that's ok by me. 

I don't mind updating the perl installations on prairiedog and gaur,
but Noah might have some difficulty with his AIX flotilla, as I believe
he's not sysadmin there.

You might think about using some symmetric-but-not-zero value,
0x01010101 or the like.

			regards, tom lane





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