Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> On Mon, Dec 13, 2010 at 9:16 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> and (b) how do you identify which type OID
>>> is really hstore? ("The one named hstore" is the wrong answer.)
> we can search a OID function descriptor. If you know a name and
> parameter's type, then isn't a problem detect function. It can be
> based on FuncnameGetCandidates.
You haven't noticed the circularity in that argument?
regards, tom lane