Nobody said the initial logic was good ;-) That's a good point. Why does the unique ID have to be random? Why isn't your DB automatically generating a new unique ID (sequence, identity, or auto numbering depending on DB)?
Bryan Stevenson B.Comm. VP & Director of E-Commerce Development Electric Edge Systems Group Inc. t. 250.920.8830 e. [EMAIL PROTECTED] --------------------------------------------------------- Macromedia Associate Partner www.macromedia.com --------------------------------------------------------- Vancouver Island ColdFusion Users Group Founder & Director www.cfug-vancouverisland.com ----- Original Message ----- From: "Ezine" <[EMAIL PROTECTED]> To: "CF-Talk" <[EMAIL PROTECTED]> Sent: Thursday, March 20, 2003 10:18 AM Subject: RE: Unique random number? > Eventually though.. this will cause a page to loop many times.. and run > the Query many times increasing load time and processor time. > > -Zine > -----Original Message----- > From: Bryan Stevenson [mailto:[EMAIL PROTECTED] > Sent: Thursday, March 20, 2003 1:14 PM > To: CF-Talk > Subject: Re: Unique random number? > > > I'm having trouble seeing why you need a loop for this?? Can you explain? > > From your description I would think you'd follow these steps (conditional > statements and not loops): > > 1) set your random number (as you have) > 2) run a query to see if that number is used in either table (simple SELECT > statement) > 3) IF there is a recordcount to the above query then it's in use - do > whatever you need to do to handle this. IF NO recordcount then use it as > your new job number to create the record(s) you need. > > HTH > > Cheers > > Bryan Stevenson B.Comm. > VP & Director of E-Commerce Development > Electric Edge Systems Group Inc. > t. 250.920.8830 > e. [EMAIL PROTECTED] > > --------------------------------------------------------- > Macromedia Associate Partner > www.macromedia.com > --------------------------------------------------------- > Vancouver Island ColdFusion Users Group > Founder & Director > www.cfug-vancouverisland.com > ----- Original Message ----- > From: <[EMAIL PROTECTED]> > To: "CF-Talk" <[EMAIL PROTECTED]> > Sent: Thursday, March 20, 2003 9:55 AM > Subject: Unique random number? > > > > Need to set a job number to a unique number, based of creating a number > > using the RandRange function, but then I need to take that number and > > bounce it off two access tables (called openjobs & closejobs) to see if > > that random number is already used, then loop back if it is to start over, > > but if it isn't, then use it to create a new record in openjobs table. > > > > What I don't know how to do is the loop structure if the number already > > exists on one of the two tables. > > > > Could someone direct me in how the code would look starting with this > CFSET > > statement? > > > > <CFSET job_number = RandRange(1, 100000)> > > > > ...and as always, thanks in advance! > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Your ad could be here. Monies from ads go to support these lists and provide more resources for the community. http://www.fusionauthority.com/ads.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
