From: | Robert Treat <xzilla(at)users(dot)sourceforge(dot)net> |
---|---|
To: | elein <elein(at)varlena(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: obtuse plpgsql function needs |
Date: | 2003-07-23 13:06:49 |
Message-ID: | 1058965609.22259.292.camel@camel |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
On Tue, 2003-07-22 at 19:33, elein wrote:
> 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.
>
The problem is that I need the function to be generic so that I don't
have to pass the values down to the function, it just grabs the values
automagically based on the table it's being called against.
Robert Treat
> 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;
> >
--
Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL
From | Date | Subject | |
---|---|---|---|
Next Message | Robert Treat | 2003-07-23 14:04:13 | Re: obtuse plpgsql function needs |
Previous Message | oheinz | 2003-07-23 12:51:48 | Problem using Subselect results |