ALTER TABLE `persons` ADD `anonymous` numeric NOT NULL DEFAULT false;

ALTER TABLE `meetings` ADD `require_signin` numeric NOT NULL DEFAULT false;

ALTER TABLE `meetings` ADD `waiting_room` numeric NOT NULL DEFAULT false;

CREATE TABLE `meeting_defaults` (`id` integer PRIMARY KEY AUTOINCREMENT,`require_signin` numeric NOT NULL DEFAULT false,`waiting_room` numeric NOT NULL DEFAULT false);


-- Existing invitations retain their original sign-in and admission requirements.
UPDATE meetings SET require_signin = true, waiting_room = true;