Re: Tom Lane 2019-10-22 <821.1571771...@sss.pgh.pa.us> > Actually, I think we probably don't need any SQL representation of this > at all, because if what you're going to do with it is omit logically > necessary null-value checks, then a wrong setting would trivially crash > the server. Therefore, we can never give the ability to set this flag > to users; we could only set it on built-in functions.
Or require superuser. > This doesn't seem too awful to me, because non-builtin functions are > most likely slow enough that it doesn't matter. Some years ago, Kohsuke Kawaguchi, the Jenkins author, was giving a keynote at FOSDEM about extensibility of software. The gist I took away from it was the tagline "if core can do something that extensions can't, that's a bug". I think that's something that PostgreSQL should try to live up to as well. Christoph
