INSERT INTO version (table_name, table_version) values ('uid_user_attrs','3');
CREATE TABLE uid_user_attrs (
    id INT(10) UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL,
    uid VARCHAR(64) NOT NULL,
    name VARCHAR(32) NOT NULL,
    value VARCHAR(128),
    type INT DEFAULT 0 NOT NULL,
    flags INT UNSIGNED DEFAULT 0 NOT NULL,
    CONSTRAINT userattrs_idx UNIQUE (uid, name, value)
);