On 24 Jul 2011, at 11:00, Alban Hertroys wrote: > You can't fire a trigger on non-existant data. I just realised the above statement is a little inexact: you can't fire row-level triggers on non-existant data. You can still fire statement-level triggers on them, but with those you won't have information about which row(s) were involved, so it won't help your case. Alban Hertroys -- If you can't see the forest for the trees, cut the trees and you'll see there is no forest. !DSPAM:737,4e2be09d12091863320979! -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general