Tom Lane writes:
> I think an appropriate fix would be to make the format_type function
> distinguish between format_type(typeoid, -1) and format_type(typeoid,
> NULL), which it currently treats the same. The former could be taken
> to mean "give me the type name for a column with typmod -1" whereas
> the latter could be taken to mean "give me a type name in a context
> where there is no typmod", such as a function argument/result type.
This was the idea, but until recently there was no actual need for
printing something different.
--
Peter Eisentraut peter_e(at)gmx(dot)net