create table users (
	user_id    integer       unique  not null  primary key  autoincrement,
	name       varchar(32)   unique  not null,
	password   varchar(128)  not null,
	email      varchar(254),
	about      text          not null  default '',
	join_time  integer       not null,
	role       integer       not null  default 0
);

create table threads (
	thread_id    integer      unique  not null  primary key  autoincrement,
	author_id    integer      not null,
	forum_id     integer      not null,
	create_time  integer      not null,
	modify_time  integer      not null,
	update_time  integer      not null,
	title        varchar(64)  not null,
	text         text         not null,
	score        integer      not null  default 0,
	dead         boolean      not null  default false
);

create table comments (
	comment_id   integer      unique  not null  primary key  autoincrement,
	thread_id    integer      not null,
	author_id    integer      not null,
	parent_id    integer,
	create_time  integer      not null,
	modify_time  integer      not null,
	text         text         not null,
	score        integer      not null  default 0,
	dead         boolean      not null  default false
);

create table forums (
	forum_id            integer       unique  not null  primary key  autoincrement,
	name                varchar(64)  not null,
	description         text,
	allowed_roles_mask  integer      not null
);

-- Both of these speed up searches significantly if there are many threads or comments.
-- Other indices have no measureable impact (yet, at least).
create index forum_id on threads(forum_id);
create index thread_id on comments(thread_id);