Re: Date Math

am Mon, dem 07.05.2007, um 9:43:50 -0700 mailte Rich Shepard folgendes:
> From table (Permits) I want to identify those which expire within a
> specified time from today. For example:
>
> SELECT permit_nbr, title, date_issued, term,
> process_time from Permits
> WHERE (date_issued + term YEARS)
> < (CURRENT_DATE + process_time MONTHS);
>
> Should I use TODAY rather than CURRENT_DATE? Do I need to cast intervals
> explicitly from seconds to days, months, or years?

I'm not sure if I understand you correctly, if not, sorry.
I think, you should cast your intervals, an example:

select current_date + '10 months'::interval;

You syntax above are wrong.

Andreas
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Andreas Kretschmer
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