"David G. Johnston" <david.g.johns...@gmail.com> writes: > On Fri, Apr 17, 2020 at 4:04 PM Tom Lane <t...@sss.pgh.pa.us> wrote: >> Especially not for unary operators, where >> ALTER OPERATOR would have us write "- (NONE, integer)".
> I'd drop the parens for unary and just write "- integer" We do have some postfix operators still ... although it looks like there's only one in core. In any case, the signature line is *the* thing that is supposed to specify what the syntax is, so I'm not too pleased with using an ambiguous notation for it. regards, tom lane