Andres Freund <and...@anarazel.de> writes: > On 2019-01-09 15:03:35 -0500, Tom Lane wrote: >> (Speaking of which, I've been wondering for awhile if libpq ought not >> obtain the OIDs of lo_create and friends by #including fmgroids.h >> instead of doing a runtime query on every connection. If we did that, >> we'd be forever giving up the option to renumber them ... but do you >> really want to bet that nobody else has done this already in some >> other client code?)
> I'm not enthusiastic about that. I kinda hope we're going to evolve that > interface further, which'd make it version dependent anyway (we don't > require all of them right now...). And it's not that expensive to query > their oids once. Version dependency doesn't seem like much of an argument: we'd just teach libpq to pay attention to the server version, which it knows anyway (and uses for other purposes already). But this is a bit off-topic for this thread, perhaps. regards, tom lane