Well depending on how random your number is you could have a lot of
collisions. It would really suck performance wise to keep trying new
random numbers all the time.

-Matt

> -----Original Message-----
> From: Michael Ross [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, June 06, 2002 2:23 PM
> To: CF-Talk
> Subject: RE: Hacking" a shared SQL server
> 
> Coming out of left field here as I haven't read everything but what
about
> in your code getting a random number, checking to make sure its not in
> your table then insert it.  Just run a loop.
> 
> >>> [EMAIL PROTECTED] 06/06/02 03:52PM >>>
> > Actually there is nothing wrong with using an integer for a primary
key.
> > The trick is to make sure they aren't in sequence, so that people
can't
> > guess other keys.
> 
> Matt,
>     Do you have any methods for creating non-sequenced integer primary
> keys
> that aren't a performance hit?  I can think of two:
> 
> -- Have a single table with a bunch of integers in random order.
> 
> This seems a bit cumbersome to me, but definitely possible.
> 
> 
> -- Have your primary keys based off an algorithm.
> 
> Technically, still a sequence, but definitely not as easy to figure
out.
> You'd have to make sure this was implemented site-wide.  Perhaps a
stored
> procedure to pull the next based on the previous one.
> 
> 
> 
> Ben Johnson
> Hostworks, Inc.
> 
> 
> 
______________________________________________________________________
Get the mailserver that powers this list at http://www.coolfusion.com
FAQ: http://www.thenetprofits.co.uk/coldfusion/faq
Archives: http://www.mail-archive.com/[email protected]/
Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists

Reply via email to