Re: adding a function to pg_proc.h - Mailing list pgsql-hackers

From Jaime Casanova
Subject Re: adding a function to pg_proc.h
Date
Msg-id [email protected]
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In response to Re: adding a function to pg_proc.h  (Jaime Casanova <[email protected]>)
List pgsql-hackers
On 5/25/05, Jaime Casanova <[email protected]> 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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