2 -- E-mail confirmation token and expiration timestamp,
3 -- for verification of e-mail addresses.
8 ALTER TABLE /*$wgDBprefix*/user
9 ADD COLUMN user_email_authenticated
binary(14),
10 ADD COLUMN user_email_token
binary(32),
11 ADD COLUMN user_email_token_expires
binary(14),
12 ADD INDEX (user_email_token
);