"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Fri, Apr 17, 2020 at 4:17 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> 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.
> Neither:
> - (NONE, integer)
> nor
> ! (integer, NONE)
> seem bad, and do make very obvious how they are different.
> The left margin scanning ability for the symbol (hey, I have an expression
> here that uses @>, what does that do?) seems worth the bit of novelty
> required.
Meh. If we're worried about that, personally I'd much rather put
back the separate left-hand column with just the operator name.
We could also experiment with bold-facing the operator names,
as somebody suggested upthread.
regards, tom lane
