Re: Fetching a single column from a record returning function

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От Joe Conway
Тема Re: Fetching a single column from a record returning function
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Msg-id 400D539D.9090102@joeconway.com
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Ответ на Fetching a single column from a record returning function  ("Kumar" <sgnerd@yahoo.com.sg>)
Список pgsql-sql
Kumar wrote:
> 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.


What's wrong with:

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

?

Try showing us more detail about what you want to do and why it isn't 
currently working.

Joe




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