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Date: Fri, 26 Sep 2003 07:57:50 +0200
From: Tomasz Myrta <jasiek@klaster.net>
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To: Richard Sydney-Smith <richard@ibisaustralia.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Date interval
References: <002901c383ed$a70423a0$8f601ad3@athlon2000>
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> I am looking for a way to convert an interval into a number of days ( 
> integer);
>  
> In sybase I would use :
>  
> days(today()-r_expire)
>  
> where r_expire is the timestamp I am comparing against.
>  
> How do we do this in postgres?
>  
> date_trunc(today()-r_expire) does not seem to do it

select extract(epoch from some_interval)/3600/24::integer

Regards,
Tomasz Myrta