"Mathew Frank" <mathewfrank(at)qushi(dot)com> writes:
> The documentation on this is very thin on the ground - I`ve just spend 4 Ho=
> urs googling and the best I could find was one of the main developers (Bruc=
> e?? sorry - too long ago) replying to an email in 2001. Which was to NOT=
> cancel the delete operation, you need to return NEW or OLD.
There is no NEW row in a delete trigger. RETURN OLD should work.
> - If I return OLD the operation is cancelled ("DELETE 0").
I suspect pilot error.
regards, tom lane