On Wed, Nov 21, 2007 at 09:14:14AM +0100, Bart Degryse wrote: > I would do something like this (not tested, but conceptually working):
Hello, > BEGIN > if old.story is not null and new.story != old.story then > new.story = sanitize_text(new.story); > end if; > --checks on other field can be included here, eg > if old.otherfield is not null and new.otherfield != old.otherfield then > new.otherfield = sanitize_text(new.otherfield); > end if; But if I test a non-existent column for not being null I will have an exception, no? Otherwise this is a nice way of doing it. Thanks, ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq