[support] User ID in users table

[Earnie Boyd]

On Fri, Nov 30, 2012 at 8:32 AM, Jamie Holly wrote:
> This isn't the case in D7.  UID is assigned by a SELECT MAX(uid) FROM
> {users}. Check user.module line 571.

Unless the whole users table is locked then this is guaranteed to fail
under heavy use.  Some poor user is going to get a DB error of
duplicate key.  The chances may be small but there is a chance it will
happen.  Do you know the issue # that caused this to happen?

-- 
Earnie
-- https://sites.google.com/site/earnieboyd