Hello, 2008/9/11 Chris Velevitch <chris.velevitch@xxxxxxxxx>: > In 7.4, how do I declare that a column in a table is to be > automatically set to the value of some fixed expression whenever a row > is updated? > > Eg column last_modified is always set to current_timestamp > you should to use trigger regards Pavel Stehule > > > Chris > -- > Chris Velevitch > Manager - Adobe Platform Users Group, Sydney > m: 0415 469 095 > www.apugs.org.au > > Adobe Platform Users Group, Sydney > September meeting: It's Going To Be Brilliant > Date: Mon 29th September 6pm for 6:30 start > Details and RSVP on http://apugs2008september.eventbrite.com > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general >