Re: Fetching a single column from a record returning function

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От
Kumar
Тема
Re: Fetching a single column from a record returning function
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002e01c3dfec$200d6310$7502a8c0@hdsc.com
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Fetching a single column from a record returning function "Kumar" <sgnerd@yahoo.com.sg>
Re: Fetching a single column from a record returning function Tom Lane <tgl@sss.pgh.pa.us>
Re: Fetching a single column from a record returning function Joe Conway <mail@joeconway.com>
Yes it worked. Thanks

----- Original Message ----- 
From: "Tom Lane" 
To: "Kumar" 
Cc: "psql" 
Sent: Tuesday, January 20, 2004 9:28 PM
Subject: Re: [SQL] Fetching a single column from a record returning function


> "Kumar"  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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