Using contrib modules in check (Re: pgsql: Fix BRIN to use SnapshotAny during summarization)

Re: Tom Lane 2015-08-07 <928(dot)1438900846(at)sss(dot)pgh(dot)pa(dot)us>
> Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> writes:
> > Fix BRIN to use SnapshotAny during summarization
>
> This patch added an isolation test that fails unless contrib/pageinspect
> has been built and installed. I do not find that acceptable. It causes
> "make check-world" to fail ... and no, installing the extension during
> make check-world isn't going to make me happier.
>
> I don't really think we need this isolation test at all, but if we do,
> please fix it to not rely on any extensions. Perhaps looking at
> pg_relation_size or some such would do? Or you could just issue
> a query that should use the index, and see if it finds the rows it
> ought to.

Hi,

this breaks the Debian package builds as well because we run
check-world as a build step.

Any chance for a fix/workaround so the nightly master/head builds will
succeed again?

Christoph
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