Craig James <craig_ja...@emolecules.com> wrote:
 
> The sequence of operations goes like this (pseudo-code):
 
> The problem is that very occasionally the same ID will be issued
> twice.  I don't see how this can be.  Doesn't the "for update"
> guarantee that no other process can claim that same row?
 
I don't see a flaw in the pseudo-code (other than an apparent typo
on the insert).  Can you show the actual code?
 
-Kevin

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