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Date: Thu, 3 Feb 2005 12:48:11 -0400 (AST)
From: "Marc G. Fournier" <scrappy@postgresql.org>
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To: George Weaver <gweaver@shaw.ca>
Cc: "Marc G. Fournier" <scrappy@postgresql.org>,
	pgsql-sql@postgresql.org
Subject: Re: PL/PgSQL - returning multiple columns ...
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Perfect, worked like a charm ... but the RETURNS still needs to be a 
SETOF, other then that, I'm 'away to the races' ... thanks :)


On Wed, 2 Feb 2005, George Weaver wrote:

> Hi Marc,
>
> One option is to create a simple data type and return the rowtype of the 
> datatype
>
> eg CREATE TYPE tserverload AS ("server_name"  text,  "load_avg"  int4);
>
> CREATE FUNCTION getserverload()
>
> RETURNS tserverload
>
> AS
>
> 'DECLARE
>
>   r       tserverload%rowtype;
>
> etc.
>
> You would then return r, comprised of  r.server_name and r.load_avg.
>
> George
>
>
>
> ----- Original Message ----- From: "Marc G. Fournier" 
> <scrappy@postgresql.org>
> To: <pgsql-sql@postgresql.org>
> Sent: Wednesday, February 02, 2005 3:10 PM
> Subject: [SQL] PL/PgSQL - returning multiple columns ...
>
>
>> 
>> I have a function that I want to return 'server_name, avg(load_avg)' ... if 
>> I wanted to return matching rows in a table, I can do a 'setof <table>', 
>> with a for loop inside ... but what do I set the 'RETURNS' to if I want to 
>> return the results of query that returns only two fields of a table, or, in 
>> the case of the above, one column and oen 'group by' column?
>> 
>> thanks ...
>> 
>> 
>> ----
>> Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
>> Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664
>> 
>> ---------------------------(end of broadcast)---------------------------
>> TIP 9: the planner will ignore your desire to choose an index scan if your
>>      joining column's datatypes do not match
>> 
>
>
>

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664