"Gerwin Philippo" <gerwin@vernet.nl> wrote in message
news:40ec1043$0$559$e4fe514c@news.xs4all.nl...
> I have function that appends 2 columns, like
> "new.field1 = new.field2||new.field3",
> but when field 3 is null, then the entire outcome is null, while I
> expected just field2, since when I append nothing to field2, I get
> field2, right?
> Is this standard behaviour, and if so, is there another append function
> that I can use that doesn't behave like this?
COALESCE is your friend...