`guid` varchar(64) NOT NULL DEFAULT '' COMMENT '',
`username` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`password` varchar(255) NOT NULL DEFAULT '' COMMENT '',
+ `legacy_password` boolean NOT NULL DEFAULT '0' COMMENT 'Is the password hash double-hashed?',
`nickname` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`email` varchar(255) NOT NULL DEFAULT '' COMMENT '',
`openid` varchar(255) NOT NULL DEFAULT '' COMMENT '',