Re: Need your help
От | Jie Liang |
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Тема | Re: Need your help |
Дата | |
Msg-id | Pine.BSF.4.10.10102231253570.58909-100000@tidal.ipinc.com обсуждение исходный текст |
Ответ на | Need your help (Jyotsna Kypa <jkypa@yahoo.com>) |
Ответы |
Re: Need your help
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Список | pgsql-sql |
e.g. Try: CREATE TABLE emp ( id int4 primary key, empname text, salary int4, last_date datetime, last_user name); CREATE FUNCTION emp_stamp () RETURNS OPAQUE AS BEGINupdate emp set last_date=''now''::timestamp where id=NEW.id; RETURN NEW; END; ' LANGUAGE 'plpgsql'; CREATE TRIGGER emp_stamp BEFORE UPDATE ON emp FOR EACH ROW EXECUTE PROCEDURE emp_stamp(); Jie LIANG St. Bernard Software Internet Products Inc. 10350 Science Center Drive Suite 100, San Diego, CA 92121 Office:(858)320-4873 jliang@ipinc.com www.stbernard.com www.ipinc.com On Mon, 19 Feb 2001, Jyotsna Kypa wrote: > Hi, > I need your help on something. I have to write a > trigger (in sybase) that does this: Everytime a record > gets updated it should update a column in that record > with the current date/time. I am able to do it for the > whole table, but how do I make sure the update happens > only for that record which is being updated? Please > respond. > Thanks a bunch, > Jyotsna. > > > __________________________________________________ > Do You Yahoo!? > Get personalized email addresses from Yahoo! Mail - only $35 > a year! http://personal.mail.yahoo.com/ >
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