Re: Test to dump and restore objects left behind by regression

> On 22 Feb 2024, at 10:55, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com> wrote:
> On Thu, Feb 22, 2024 at 3:03 PM Daniel Gustafsson <daniel(at)yesql(dot)se> wrote:

> Somebody looking for dump/restore tests wouldn't search
> src/bin/pg_upgrade, I think.

Quite possibly not, but pg_upgrade is already today an important testsuite for
testing pg_dump in binary-upgrade mode so maybe more developers touching
pg_dump should?

>> When upgrading to the same version, we could perhaps also use this to test a
>> scenario like: Dump A, restore into B, upgrade B into C, dump C and compare C
>> to A.
>
> If comparison of C to A fails, we wouldn't know which step fails. I
> would rather compare outputs of each step separately.

To be clear, this wasn't intended to replace what you are proposing, but an
idea for using it to test *more* scenarios.

--
Daniel Gustafsson