Generate a unique numeric id for user_login filed and replace it with user's user_login
in Plugins, activate the Unique ID and in Unique ID menu set base code for user_logins
Generate a unique numeric id for WordPress user_login filed and replace it with user's user_login
Generate a unique numeric id for user_login filed and replace it with user's user_login
in Plugins, activate the Unique ID and in Unique ID menu set base code for user_logins
Generate a unique numeric id for WordPress user_login filed and replace it with user's user_login