Can you combine that random number with something sequential like maybe an index field? that way you'll give the customer a random order number but still be able to keep uniqueness. You could generate the random number, then append the sequential index to it making a larger integer.
Or you could use the UUID Cheers Mike Kear Windsor, NSW, Australia Adobe Certified Advanced ColdFusion Developer AFP Webworks http://afpwebworks.com On Wed, Jan 27, 2016 at 10:31 AM, Brian Knott <bkn...@jbk.com.au> wrote: > Hi everyone. > > I have an issue with inserting orders into a database. What I currently > do is create a random number and insert that number into the database when > an order is inserted. I then query the database to get the order number > (unique ID generated by SQL Server). Using this order number I then insert > the items into an item table. > > The issue is that its possible for 2 orders to end up with the same unique > number, this is because the random function is not actually that random. > If two people are submitting orders at the same time, they get the > same random number. This means that all of the items ordered go to one > customer, and the other customer gets no items. > > Current code for the random number is > > <cfset session.order.uniquenumber = RandRange(1,99999999) + now()> > > Is there a more reliable way of doing this? > > Brian > > > -- > -- You received this message because you are subscribed to the Google Groups "cfaussie" group. To unsubscribe from this group and stop receiving emails from it, send an email to cfaussie+unsubscr...@googlegroups.com. To post to this group, send email to cfaussie@googlegroups.com. Visit this group at https://groups.google.com/group/cfaussie. For more options, visit https://groups.google.com/d/optout.
