"Tatsuo Ishii" <ishii@postgresql.org> wrote:
> VOLATILE functions such as random() and timeofday() apparently do not
> write and sending those queries that include such functions is
> overkill.
> Can we VOLATILE property divide into two categories, say, VOLATILE
> without write, and VOLATILE with write?
I think it's possible. We might borrow words and semantics from
unctional programming languages for functions with side effects.
How do they handle the issue?
BTW, random() *writes* the random seed, though no one will mind it.
Regards,
---
Takahiro Itagaki
NTT Open Source Software Center
