On Tue, Dec 5, 2017 at 11:32 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > ISTM one key issue here is whether pgbench's expression language is > meant to model SQL (where we have function overloading) or C (where > there is no overloading). I don't think we've really settled on a > fixed policy on that, but maybe now is the time.
abs() is doing that already. Having some rules in the shape of at least a comment would be nice. > If we do think that function overloading is OK, there remains the > question of when the typing is resolved. I think Robert is objecting > to resolving at runtime, and I tend to agree that that's something > we'd regret in the long run. It doesn't match either SQL or C. +1. -- Michael
