From: | elein <elein(at)varlena(dot)com> |
---|---|
To: | Robert Treat <xzilla(at)users(dot)sourceforge(dot)net> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: obtuse plpgsql function needs |
Date: | 2003-07-22 23:33:35 |
Message-ID: | 20030722163335.A18881@cookie |
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Thread: | |
Lists: | pgsql-sql |
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
>
>
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