begin; create table ttrss_scheduled_updates (id integer not null primary key auto_increment, owner_uid integer not null, feed_id integer default null, entered datetime not null, foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE, foreign key (feed_id) references ttrss_feeds(id) ON DELETE CASCADE) ENGINE=InnoDB; update ttrss_version set schema_version = 5; commit;