+alter table users add preferences text;
+create index users_display_name_idx on users(display_name);
+
+alter table users add data_public boolean default false;
+
+alter table gpx_files drop column tmpname;
+
+alter table users add column description text not null;
+create table diary_entries(id bigint not null auto_increment, user_id bigint not null, title varchar(255), body text, primary key(id));
+alter table diary_entries add created_at datetime;
+alter table diary_entries add updated_at datetime;
+
+
+