On 2021-Mar-26, Joel Jacobson wrote: > On Thu, Mar 25, 2021, at 17:51, Tom Lane wrote:
> > I wonder what performance will be like with lots o' objects. > > I guess pg_get_acl() would need to be implemented using a switch(classid) > with 36 cases (one for each class)? No, we have a generalized object query mechanism, see objectaddress.c > Is your performance concern on how such switch statement will be optimized by > the C-compiler? I guess he is concerned about the number of catalog accesses. -- Álvaro Herrera 39°49'30"S 73°17'W "Saca el libro que tu religión considere como el indicado para encontrar la oración que traiga paz a tu alma. Luego rebootea el computador y ve si funciona" (Carlos Duclós)