Hi,
Mike Mascari wrote:
...
>
>
> What would be really neat is the ability of CREATE CAST to override
> the default implementation and at the same time let the override call
> the "base" implementation, if necessary.
This is already possible: you just have to define your own
type which would behave like a date for all operations
but not for text2yourdate, which would then accept ''
for null as well.
Might be a little bit work, buts perfectly doable.
Regards
Tino