Re: Suggested improvement : Adjust SEQUENCES to accept an INCREMENT of functionname(parameters) instead of an integer
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Justin Clift <aa2@bigpond.net.au>
Cc: pgsql-general@postgresql.org
Date: 2001-06-22T03:13:44Z
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. Sorry but my initial impression is that this functionality is pretty strange. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026