On Fri, 29 Jan 2010 13:13:17 +0100
"Wappler, Robert" <rwappler@ophardt.com> wrote:
> I'd suggest to use some kind of sequence or something constructed
> from the primary keys. But you may still see hash collisions
> although the input is different.
Concatenate /* ::text */ random() with something like:
http://www.webthatworks.it/d1/node/page/pseudo_random_sequences_postgresql
--
Ivan Sergio Borgonovo
http://www.webthatworks.it