Re: Fetching a single column from a record returning function - Mailing list pgsql-sql

From Kumar
Subject Re: Fetching a single column from a record returning function
Date
Msg-id 002e01c3dfec$200d6310$7502a8c0@hdsc.com
Whole thread Raw
In response to Fetching a single column from a record returning function  ("Kumar" <sgnerd@yahoo.com.sg>)
List pgsql-sql
Yes it worked. Thanks

----- Original Message ----- 
From: "Tom Lane" <tgl@sss.pgh.pa.us>
To: "Kumar" <sgnerd@yahoo.com.sg>
Cc: "psql" <pgsql-sql@postgresql.org>
Sent: Tuesday, January 20, 2004 9:28 PM
Subject: Re: [SQL] Fetching a single column from a record returning function


> "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
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings



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