From: elein <elein@varlena.com>
To: Robert Treat <xzilla@users.sourceforge.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: obtuse plpgsql function needs
Date: Tue, 22 Jul 2003 16:33:35 -0700
Message-ID: <20030722163335.A18881@cookie> (raw)
In-Reply-To: <1058913112.22259.271.camel@camel>
References: <1058913112.22259.271.camel@camel>
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
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To: pgsql-sql@postgresql.org
Cc: elein@varlena.com, xzilla@users.sourceforge.net
Subject: Re: obtuse plpgsql function needs
In-Reply-To: <20030722163335.A18881@cookie>
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