-- Updates from version 0.2-alpha

ALTER TABLE `messages`
    ADD INDEX `created_index` (`created`);

-- Updates from version 0.2-beta (InnoDB only)

ALTER TABLE `cache`
    DROP `session_id`;
    
ALTER TABLE `session`
    ADD INDEX `changed_index` (`changed`);

ALTER TABLE `cache`
    ADD INDEX `created_index` (`created`);

ALTER TABLE `users`
    CHANGE `language` `language` varchar(5);