--- In firebird-support@yahoogroups.com, Paul Vinkenoog wrote: .... > > It is often more useful to define the BI trigger as: > > create trigger T_BI for T before insert as > begin > if (new.ID is null) then new.ID = next value for SEQ; > end^ > > (but if you had done that, you wouldn't have detected the inconsistency below > ;-))
Well, I've seen that but I don't like the idea. An auto-generated ID should be auto-generated in all cases. Imagine for example someone inserting a random higher value that will one day come into conflict with the sequence-generated... .... > > insert into T values (new.ID) returning T.id into :new.id; > > That would solve the whole problem (he said without having tested it). Yes, that works, but I consider it a workaround :) The same thing happens for calculated and DEFAULT fields as well. Thanks Emil
