Re: make installcheck.

Teodor Sigaev <teodor@sigaev.ru> writes:
> On production instance I have an installed preloaded library which affects 
> postgresql's optimizer (online_analyze if somebody is interesting). It works 
> well except executing make installcheck of other modules, for example btree_gist:

If you're fooling with the optimizer's behavior I'd think a lot of the
core regression tests would show bogus "failures" as well.  Contrib
module tests seem like the least of your worries.
        regards, tom lane