ALTER TABLE `rooms` ADD COLUMN `owner_password` varchar(160) DEFAULT NULL AFTER `join_password`;
ALTER TABLE `rooms` ADD COLUMN `ask_for_name` tinyint(1) DEFAULT NULL AFTER `locked`;
ALTER TABLE `participants` ADD COLUMN `peer_id` varchar(40) DEFAULT NULL AFTER `participant`;
ALTER TABLE `participants` ADD COLUMN `role` varchar(20) DEFAULT 'participant' AFTER `peer_id`;
ALTER TABLE `rooms` DEFAULT CHARACTER SET utf8;
ALTER TABLE `participants` DEFAULT CHARACTER SET utf8;
ALTER TABLE `notifications` DEFAULT CHARACTER SET utf8;
CREATE TABLE IF NOT EXISTS `notifications` (
  `id` int(11) NOT NULL,
  `email` varchar(254),
  PRIMARY KEY (`id`,`email`)
) DEFAULT CHARSET=utf8;
CREATE TABLE IF NOT EXISTS `invitations` (
  `id` int(11) NOT NULL,
  `email` varchar(254) NOT NULL,
  `token` varchar(160) NOT NULL,
  `from` varchar(60) NOT NULL,
  `response` varchar(20) DEFAULT NULL,
  `message` text DEFAULT NULL,
  `processed` tinyint(1) DEFAULT '0',
  `timestamp` int(20) DEFAULT NULL,
  PRIMARY KEY (`token`)
) DEFAULT CHARSET=utf8;
ALTER TABLE `rooms` ADD COLUMN `etherpad_group` varchar(40) DEFAULT NULL AFTER `owner_password`;
ALTER TABLE `participants` ADD COLUMN `activity_timestamp` int(20) DEFAULT NULL AFTER `role`;