Re: Regarding interval conversion functions and a seeming lack of usefulness

On Feb 27, 2008, at 3:47 PM, Bill Moran wrote:
> Something like:
> $ SELECT CONVERT('12 days 13 hours'::INTERVAL AS hour);
> hour
> ------
> 301
> $ SELECT CONVERT('6 hours 17 minutes'::INTERVAL AS hour);
> hour
> ------
> 6.2833
>
> Am I approaching this problem wrong? or is there something out there
> and my Google skills are lacking?

One of the obvious problems with this is that you cannot convert
months to something more fine-grained without knowing the date the
interval is relative to. I mean, what would be the answer of:

$ SELECT CONVERT('2 months'::INTERVAL AS days);

This month that would be 60 days, next month 61, this month next year
59, etc.
And I haven't even started on leap seconds and daylight saving time
yet...

Alban Hertroys

--
If you can't see the forest for the trees,
cut the trees and you'll see there is no forest.

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