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