From: | Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> |
---|---|
To: | Terry Lee Tucker <terry(at)chosen-ones(dot)org> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Conversion to 8.3 |
Date: | 2008-04-04 19:01:13 |
Message-ID: | 47F67AF9.6000008@postnewspapers.com.au |
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Lists: | pgsql-general |
Terry Lee Tucker wrote:
> Greetings:
>
> I am converting our application from 7.4.19 to 8.3.1. In the old scheme of
> things, I was generating an interval between two timestamps and evaluating
> the interval string in another set of trigger code. I was doing the
> following:
> IF new.ontime IS NOT NULL AND new.ontime ~* 'ago' THEN
>
If I understand your question correctly, you're seeking to determine if
new.ontime is "in the past". If so, compare with current_timestamp /
current_date as appropriate, eg:
IF new.ontime IS NOT NULL AND new.ontime < current_timestamp THEN
(Note that current_timestamp and current_date are constant within a
transaction, so they might not be suitable if you have really long
running transactions).
--
Craig Ringer
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