Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> order, say, prefix, postfix, infix.
>
> (It might be surprising that something like this is necessary, but it
> happens. ip4r for example contains operators with different fixnesses
> (fixities?).)
I think it's called “arity” :)
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support