Re: fomatting an interval (resend)

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>>> Okay, so extract() doesn't fit the bill either. How do I get the
>>> difference between two timestamps in terms of days, expressed as an
>>> integer? Moreover, how do I get any interval expressed in those
>>> terms?

>> select round((extract(epoch from finish) -
>> extract(epoch from start))/(60*60*24)) from timetable;

>How would that differ from the query below?
>
>select round(extract(epoch from (finish - start))/(60*60*24)) from
>timetable;

No real difference - the first is extracting from timestamps, the
second is extracting from an interval. The second is more compact,
but I prefer the first as it is a little more explicit in what is
happening.

- --
Greg Sabino Mullane greg(at)turnstep(dot)com
PGP Key: 0x14964AC8 200305301433
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