On 2020-Jan-03, Robert Haas wrote: > On Fri, Jan 3, 2020 at 10:23 AM Tom Lane <t...@sss.pgh.pa.us> wrote: > > Now, those functions were just exposing libc functionality, so there > > wasn't a lot of code to write. There might be a good argument that > > gcd isn't useful enough to justify the amount of code we'd have to > > add (especially if we allow it to scope-creep into needing to deal > > with "numeric" calculations). But I'm not on board with just > > dismissing it as uninteresting. > > Yeah. There's always the question with things like this as to whether > we ought to push certain things into contrib modules that are not > installed by default to avoid bloating the set of things built into > the core server. But it's hard to know where to draw the line. There's > no objective answer to the question of whether gcd() or sinh() is more > useful to have in core;
The SQL standard's feature T622 requires trigonometric functions, while it doesn't list gcd() or anything of the sort, so there's that. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
