"Tatsuo Ishii" <is...@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 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers