Bastiaan Olij <bastiaan(at)basenlily(dot)me> writes:
> I've got a situation where I'm adding an insert rule to a view but the
> work I need to do in order to insert the required data doesn't fit well
> in a simple query rewrite (I need to calculate a few things before I'm
> ready to do my insert).
> Because of this I've moved the actual insert code into a function which
> in looks sort of like this:
... umm, have you considered using a BEFORE INSERT trigger instead?
AFAICT, what you really want here is to compute some derived column
values before the row gets stored, and a trigger would handle that
nicely without any need to abuse semantics.
regards, tom lane