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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Kumar <sgnerd@yahoo.com.sg>
Cc: psql <pgsql-sql@postgresql.org>
Subject: Re: Fetching a single column from a record returning function
Date: Tue, 20 Jan 2004 10:58:04 -0500
Message-ID: <24270.1074614284@sss.pgh.pa.us> (raw)
In-Reply-To: <005101c3df24$2662ed20$7502a8c0@hdsc.com>
References: <005101c3df24$2662ed20$7502a8c0@hdsc.com>

"Kumar" <sgnerd@yahoo.com.sg> writes:
> select * from fn_email(1)
> as (email_folder_id int4,email_folder_name varchar,descrip varchar,msgcount
>  int8,unreadcount int8,size int8);

> Is it possible to fetch only one column (the 'msgcount') from the function.=
>  Because I am interested in SUM(msgcount).  Please shed some light.

select sum(msgcount) from fn_email(1)
as (email_folder_id int4,email_folder_name varchar,descrip varchar,msgcount
 int8,unreadcount int8,size int8);

			regards, tom lane



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