science-ation/db/db.update.199.sql

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-- Add an original ID to the conference, unfortunately we have no way really to distinguish conferences now, so make
-- everything the same conference... this is wrong in some testing cases, but no one will be using multiple conferences yet
ALTER TABLE `conferences` ADD `oid` INT NOT NULL AFTER `id`;
UPDATE `conferences`, (SELECT `id` FROM `conferences` ORDER BY `year` LIMIT 1) as newid SET oid=newid.id WHERE 1;
-- user_roles.conferences_id was moved to users
ALTER TABLE `user_roles` DROP `conferences_id` ;
-- Passwords were moved to accounts, keep username/email
-- around for now, just in case.
ALTER TABLE `users` DROP `password`;
ALTER TABLE `users` DROP `passwordset`;
ALTER TABLE `users` DROP `oldpassword`;