From: Jim Buttafuoco <jim@contactbda.com>
To: Tony Wasson <ajwasson@gmail.com>
Cc: Mark R. Dingee <mark.dingee@cox.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: Multi-column returns from pgsql
Date: Sat, 23 Jul 2005 08:57:38 -0400
Message-ID: <20050723125711.M72454@contactbda.com> (raw)
In-Reply-To: <6d8daee3050722111118944657@mail.gmail.com>
References: <200507221149.21550.mark.dingee@cox.net>
<20050722165558.M96628@contactbda.com>
<6d8daee3050722111118944657@mail.gmail.com>
or just return setof RECORD (version 7.4 +)
---------- Original Message -----------
From: Tony Wasson <ajwasson@gmail.com>
To: jim@contactbda.com
Cc: "Mark R. Dingee" <mark.dingee@cox.net>, pgsql-sql@postgresql.org
Sent: Fri, 22 Jul 2005 11:11:09 -0700
Subject: Re: [SQL] Multi-column returns from pgsql
> On 7/22/05, Jim Buttafuoco <jim@contactbda.com> wrote:
> > Mark,
> >
> > Instead of RETURN NEXT rec.txt1; RETURN NEXT rec.txt2; just use RETURN NEXT rec;
> >
> > then your select statement would be
> > select * from my_func() as (txt1 text,txt2 text);
> >
> > Jim
>
> Besides a simple RETURN NEXT, you'll need to return a SETOF some
> composite type. You can do something like
>
> CREATE TYPE twotexts_t AS (txt1 TEXT, txt2 TEXT);
>
> CREATE OR REPLACE FUNCTION my_func() returns SETOF twotexts_t AS '
> DECLARE
> rec record;
> BEGIN
> FOR rec IN SELECT txt1, txt2 FROM mytable LOOP
> RETURN NEXT
> END LOOP;
> RETURN;
> END;' language 'plpgsql';
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
------- End of Original Message -------
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To: pgsql-sql@postgresql.org
Cc: jim@contactbda.com, ajwasson@gmail.com, mark.dingee@cox.net
Subject: Re: Multi-column returns from pgsql
In-Reply-To: <20050723125711.M72454@contactbda.com>
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