Re: Is there a better way to do this?

[David Fetter <david@xxxxxxxxxx>]

On Tue, Aug 28, 2007 at 04:59:46PM -0400, Wei Weng wrote:
> Hi all
> 
> I want to implement something like the following:
> 
> CREATE OR REPLACE FUNCTION AddDays
>        (TIMESTAMP WITHOUT TIME ZONE
>        , INT)
> RETURNS TIMESTAMP WITHOUT TIME ZONE AS '
> DECLARE
>        time ALIAS FOR $1;
>        days ALIAS FOR $2;
> BEGIN
>        RETURN time+days*24*3600*''1 second''::INTERVAL;
> END;
> ' LANGUAGE 'plpgsql';

This seems like a lot of extra work.

SELECT now() + 5 * INTERVAL '1 day';

does a similar trick, and is quite clear as to what it does :)

Cheers,
David.
-- 
David Fetter <david@xxxxxxxxxx> http://fetter.org/
phone: +1 415 235 3778        AIM: dfetter666
                              Skype: davidfetter

Remember to vote!
Consider donating to PostgreSQL: http://www.postgresql.org/about/donate

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not
       match