On Sat, Dec 11, 2004 at 08:54:40AM -0800, Stephan Szabo wrote:
> old.series_id IS DISTINCT FROM new.series_id may do what you want
> depending on how you want NULLs to compare (IS DISTINCT FROM would be
> false).
I forgot about IS DISTINCT FROM. I like that better than using
COALESCE, as I had suggested.
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/