Re: pgsql: Clean up role created in new subscription test.

> On 8 Nov 2023, at 13:32, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> On 2023-Nov-08, Daniel Gustafsson wrote:
>
>> Since test_setup.sql is part of the regress schedule and not pg_regress we
>> would have to implement this for each test run (regress, contribs etc), which
>> is what Peter didn't like about the original suggestion.
>
> Oh, somehow that aspect of his reply failed to register with me. I
> agree with your approach of using libpq in pg_regress then.
>
> I suppose you're just thinking of using PQexec() or whatever, run one
> query with sufficient ORDER BY, save the result, and at the end of the
> test run just run the same query and compare that they are cell-by-cell
> identical? This sounds a lot simpler than the patch you posted.

Correct, that's my plan. The rationale for the earlier patch was to avoid
adding a dependency on libpq, but with that already discussed and done we can
leverage the fact that we can run such queries easy.

--
Daniel Gustafsson