Suggested improvement : Adjust SEQUENCES to accept an INCREMENT of functionname(parameters) instead of an integer

Justin Clift <aa2@bigpond.net.au>

From: Justin Clift <aa2@bigpond.net.au>
To: pgsql-general@postgresql.org
Date: 2001-06-22T02:43:32Z
Lists: pgsql-general
Hi all,

Am doing some work with sequences at the moment, and I'm finding it would be 
useful to have sequences which use an increment amount decided by a function 
call, instead of just a straight integer amount (as we presently do).

For my example, I'd use this to add random positive increments (specifically 
to avoid easy predictability of the sequence), but it would be quite flexible.

i.e. CREATE SEQUENCE newseq INCREMENT trunc(random() * 10);

Could do the same for the START, MINVALUE and MAXVALUE parameters also.

Would others also benefit from this alteration?  If so, we might like to ask 
for it to be added to Bruce's TODO list.

Regards and best wishes,

Justin Clift