You'll need to pass the values down to your
concat function (which I suggest you don't call concat)
and have it return a text type.
What exactly is your problem? I must be missing something.
elein
On Tue, Jul 22, 2003 at 06:31:52PM -0400, Robert Treat wrote:
> given
>
> create table t1 (f,f1,f2,f3);
> create table t2 (f,f4,f5,f6);
>
> i'm trying to create a function concat() that does something like:
>
> select f,concat() as info from t1;
>
> which returns a result set equivalent to:
> select f,('f1:' || f1 || '- f2:' || f2 || '- f3:' || f3) as x from t1;
>
> or
> select f,concat() as info from t2;
> returns equivalent
>
> select f,('f4:' || f4 || ' - f5:' || f5 || ' - f6:' || f6) as x from t2;
>
>
> I'm starting to believe this is not possible, has anyone already done
> it? :-)
>
> Robert Treat
> --
> Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend
>
---------------------------(end of broadcast)---------------------------
TIP 7: don't forget to increase your free space map settings
