+create table messages (id bigint not null auto_increment, user_id bigint(20) not null, from_user_id bigint(20) not null, from_display_name varchar(255) default "", to_user_id bigint(20) not null, title varchar(255), body text, sent_on datetime, message_read boolean default 0, primary key(id));
+create index from_name_idx on messages(from_display_name);
+
+create table friends (id bigint not null auto_increment, user_id bigint(20) not null, friend_user_id bigint(20) not null, primary key(id));
+create index user_id_idx on friends(friend_user_id);