Re: porting time calcs to PG

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От Andrew Sullivan
Тема Re: porting time calcs to PG
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Msg-id 20061208114217.GC12351@phlogiston.dyndns.org
обсуждение исходный текст
Ответ на porting time calcs to PG  (greg@bryantrecording.com)
Список pgsql-general
On Thu, Dec 07, 2006 at 04:44:35PM -0700, greg@bryantrecording.com wrote:
> fields.  The WHERE clause that I use in SQL Server is:
> getdate() + ((2100 + 5 + (9*Points)) / 86400) >= DueTime
>
> Where the numbers are actually parameters passed in to the function.
> Other than changine getdate() to now(), I'm not sure how to change the
> + interval to be effective.  All the docs I see use something like
> interval '1 hour' - not sure how to put a calculated value in the
> quotes.  Is this possible?

Sure.  Something like

SELECT CURRENT_TIMESTAMP + (((2100 + 5 + (9*"Points")) /
86400) || 'seconds')::interval >= "DueTime"

oughta work.

--
Andrew Sullivan  | ajs@crankycanuck.ca
The plural of anecdote is not data.
        --Roger Brinner

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