2016-12-16 21:18 GMT+01:00 Robert Haas <robertmh...@gmail.com>: > On Fri, Dec 16, 2016 at 12:28 PM, Pavel Stehule <pavel.steh...@gmail.com> > wrote: > > why do you need special operator for negation? there is only one use > case. > > It can be solved by \if_not > > That's exactly the kind of thing I *don't* want to do. If you > absolutely must have that and you can't wait until we get a full-blown > expression evaluator, then just swap the \if side with the \else side > and call it good. The whole point here is to avoid introducing weird > hacks for lack of a full expression evaluator that will just become > annoyances once we have one. >
I don't need it. Because we don't expect expression there, then "not" or "if_not" is not necessary. Regards Pavel > > -- > Robert Haas > EnterpriseDB: http://www.enterprisedb.com > The Enterprise PostgreSQL Company >
