Grzegorz Jaśkiewicz wrote:
> also, how hard would it be to implement "CREATE ASSERTION", and where
> do you see it (and maybe Tom could anwer that one too).
> Would you say, it would be possible for someone with my knowledge of
> postgresql internals (vague), but with very good C to do it
I think you could do it using the constraint trigger mechanism.
But PostgreSQL internals knowledge will be more important than excellent
C skills, I guess.