| From: | Jaime Casanova <systemguards(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org>, Bernd Helmle <bernd(dot)helmle(at)oopsware(dot)de> |
| Subject: | Re: adding a function to pg_proc.h |
| Date: | 2005-05-26 17:34:47 |
| Message-ID: | c2d9e70e05052610342dc0de92@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 5/25/05, Jaime Casanova <systemguards(at)gmail(dot)com> wrote:
> > Also, defining the return type as ANYELEMENT will definitely NOT work,
> > since none of the input arguments are polymorphic.
> >
> mmm... This is a problem, there is a way to make a function that can
> be used for returning different datatypes depending on the columns
>
Ok, i have read in the manual about returning polymorphic types. why
we can't cast the function to the appropiate type to avoid the extra
parameter?
--
regards,
Jaime Casanova
(DBA: DataBase Aniquilator ;)
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