[wp-hackers] Changeset 2877 - non-unique user IDs?

[Owen Winkler]

Matt Mullenweg wrote:
> Owen Winkler wrote:
> 
>> http://trac.wordpress.org/changeset/2877
>>
>> What's that all about?  We don't require unique user IDs for login now?
> 
> 
> It's needs to be enforced on the code level, not with database errors.

It already was without generating database errors.  Why change the 
database structure to allow for something that the code does not? 
Especially when the database constraint simply reinforces what the code 
already does?

> The new user database is designed to be something modular you can plug 
> into almost any application, bbPress and MU are just two other apps 
> using it. It may continue to evolve before 1.6 goes "gold."

In a similar vein, everything in registration-functions.php might need 
to be pluggable.

Owen