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Date: Tue, 11 Jan 2005 15:15:46 -0700
From: Michael Fuhr <mike@fuhr.org>
To: Terry Lee Tucker <terry@esc1.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Simple Question
Message-ID: <20050111221545.GA9759@winnie.fuhr.org>
References: <200501111642.21716.terry@esc1.com>
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On Tue, Jan 11, 2005 at 04:42:21PM -0500, Terry Lee Tucker wrote:

> Subject: [SQL] Simple Question

Please use a more descriptive subject -- think about how somebody
looking at a list of 200 messages, all with subjects like "Simple
Question" or "PostgreSQL Question," would decide to look at yours.

> drv_time = 478 / 45.0;
> 
> The value of this is: 10.6222222222222222
> 
> Is there a way of converting this value to an interval. It seems that INTERVAL 
> only works with a quoted literal value.

You can do arithmetic on intervals:

SELECT 478 / 45.0 * interval'1 hour';

For more information, see "Date/Time Functions and Operators" in
the documentation.

-- 
Michael Fuhr
http://www.fuhr.org/~mfuhr/