Subject RE: [ib-support] Generated ID and constraints
Author Leyne, Sean

> In the Before Insert trigger, do:
> NEW.ID = GEN_ID(GEN, 0);
> and in the After insert trigger:
> DummyVar = GEN_ID(GEN, 1);
> That way you assign the current gen value to the id, and if
> the insert is successful increment the gen.
> I'm not sure if this method works ok on a highly concurrent
> environment...

Unfortunately, this is a very very dangerous approach!!!