Are you saying that you're allocating inventory to that person when they
put the item in their shopping cart (meaning it's no longer available for
sale)?

What I do is check inventory before it's placed in the cart to make sure
there's adequate inventory, then I ignore it... When the order is to be
placed, I re-check all the inventory and if anything is short I bounce
them back to the cart with a message about what is no longer available...

> I am trying to figure out how to deal with updating the inventory in a
> shopping cart. I create (only if it doesn't already exist) an application
> scoped array within a CFLOCK populated by looping over a query. As users 
add
> items, I update the quantities in the that array. What I can't figure out
 is
> how to deal with abandoned shopping carts - how do I update the inventory
> back to the real value?
>
> 
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