You could also generate a hash of their name and address as the seed, assuming there isn't 2 customers with the same name and address (and you already have this data at this point) On 27 Jan 2016 7:05 a.m., "Mike K" <afpwebwo...@gmail.com> wrote:
> 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. > -- 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.
