Magnus Naeslund(f) wrote:
> Good!
> Now convert this query so that it only evaluates the date_part thing
> ONCE:
>
> select t.id, date_part('days',now()-t.stamp) from table_name t where
> date_part('days',now()-t.stamp) > 20;
>
> I hope you all are kidding me in not seeing the real issue i'm trying to
> show here.
>
> Cheers
> Magnus
>
>
>
Does this work?
SELECT t.id, x.date_part
FROM table_name t, (select date_part('days',now()-t.stamp)) as x
WHERE x.date_part > 20;
--
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