Re: Interval to number

EXTRACT is your friend :)

SELECT EXTRACT(EPOCH FROM max(occurrance) - min(occurrance))::integer ;

- brian

k=# SELECT EXTRACT(EPOCH FROM now() - '2001-01-01') ;
date_part
----------------
43583467.94995
(1 row)

On Mon, 20 May 2002, Gareth Kirwan wrote:

>
> Postgres 7.2
> I have an interval selected from a max(occurance) - min(occurance) where
> bla.
> I now want to multiply this by a rate - to create a charge...
>
> If I use to_char( interval, 'SSSS');
> I will get a seconds conversion - but that works on seconds since midnight -
> hence
> with a one day period.
>
> Are there any better ways of converting a timestamp to an integer?
>
>
> Thanks
>
> Gareth
>
>
>
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