drop table if exists users;
drop table if exists posts;
drop table if exists comments;
drop table if exists options;
create table users (
id integer primary key autoincrement not null,
username varchar(32) unique not null,
password varchar(32) not null
);
create table posts (
id integer primary key autoincrement not null,
author_id integer not null,
title varchar(256) not null,
abstract text not null,
content text not null,
publish datetime not null,
is_open integer not null
);
create index posts_pub on posts (publish);
create index posts_open on posts (is_open);
create table comments (
id integer primary key autoincrement not null,
post_id integer not null,
author varchar(64) not null,
email varchar(64) not null,
url varchar(128) not null,
publish_time datetime not null,
content text not null
);
create index comments_ord on comments (post_id,publish_time);
create table options (
id integer unique primary key not null,
value varchar(128) not null
);