[wp-hackers] wp_users.user_login is not unique

[Geoffrey Sneddon]

On 26 Feb 2006, at 06:36, Andrew Krespanis wrote:

> I understand that WP does it's own check prior to creating a new user,
> but is there any reason the integrity of such an important table isn't
> being enforced by table constraints?


It was removed for some reason for WP-MU, and then that change was  
backported to WP, to try and keep the two as similar as possible.  
Hopefully someone can be more specific as to why.


- Geoffrey Sneddon