pg_filedump tests fail on big endian systems

From: Michael Hudson-Doyle <michael(dot)hudson(at)canonical(dot)com>
To: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: pg_filedump tests fail on big endian systems
Date: 2020-06-09 00:04:00
Message-ID: CAJ8wqteUopLaM2U9ZrAjiY4c7o-FBpAiFjiiwOw9jqoTcCc48w@mail.gmail.com
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Hi,

Postgresql dump files are platform dependent, and the test file used by
pg_filedump's tests appears (unsurprisingly) to have been generated on a
little-endian system. The tests thus fail (with output like this:

- Block Offset: 0x00000000 Offsets: Lower 676 (0x02a4)
+ Block Offset: 0x00000000 Offsets: Lower 41986 (0xa402)

) on a big endian system. I'm not sure what should be done about this
really, maybe the tests should just be skipped on such platforms.

I discovered this running the Debian "autopkgtests" on Ubuntu s390x.

Cheers,
mwh

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