Re: BUG #17261: FK ON UPDATE CASCADE can break referential integrity with columns of different types

PG Bug reporting form <noreply@postgresql.org> writes:
> It is possible to break foreign key referential integrity when the FK
> columns have different types and updates are cascaded from the parent
> relation to the child relation.

I'm not really sure what you'd consider such an FK relationship to mean.
I can't get too excited about it when there doesn't seem to be a well
defined semantics for it.

            regards, tom lane