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BEGIN TRANSACTION;
-- For PostgreSQL 9.1 upward, we should consider using enum types
-- instead of VARCHARs with CHECK constraints:
--
-- CREATE TYPE user_status AS
-- ENUM ('pending', 'approved', 'trusted', 'deferred', 'disabled', 'admin');
--
-- CREATE TYPE comment_status AS
-- ENUM ('pending', 'approved', 'trusted', 'deferred', 'spam', 'rejected');
--
-- CREATE TYPE text_format AS
-- ENUM ('html', 'text');
CREATE TABLE users(
id SERIAL NOT NULL,
name VARCHAR,
status VARCHAR NOT NULL,
email VARCHAR,
website VARCHAR,
PRIMARY KEY (id),
CHECK (status IN ('pending', 'approved', 'trusted', 'deferred', 'disabled',
'admin', 'visitor'))
);
CREATE TABLE passwords(
"user" INTEGER NOT NULL,
password VARCHAR NOT NULL,
PRIMARY KEY ("user", password),
FOREIGN KEY ("user") REFERENCES users
);
CREATE TABLE openids(
"user" INTEGER NOT NULL,
openid VARCHAR NOT NULL,
PRIMARY KEY ("user", openid),
FOREIGN KEY ("user") REFERENCES users
);
CREATE TABLE login_certificates(
"user" INTEGER NOT NULL,
certificate BYTEA NOT NULL,
PRIMARY KEY ("user", certificate),
FOREIGN KEY ("user") REFERENCES users
);
CREATE TABLE article_types(
id SERIAL NOT NULL,
name VARCHAR,
page_template VARCHAR,
PRIMARY KEY (id)
);
CREATE TABLE articles(
id SERIAL NOT NULL,
type INTEGER NOT NULL,
PRIMARY KEY (id),
FOREIGN KEY (type) REFERENCES article_types
);
CREATE TABLE article_aliases(
alias VARCHAR NOT NULL,
article INTEGER NOT NULL,
PRIMARY KEY (alias),
FOREIGN KEY (article) REFERENCES articles
);
CREATE TABLE comments(
id SERIAL NOT NULL,
article INTEGER NOT NULL,
global_id VARCHAR,
PRIMARY KEY (id),
FOREIGN KEY (article) REFERENCES articles
);
CREATE TABLE article_revisions(
id SERIAL NOT NULL,
article INTEGER NOT NULL,
date TIMESTAMP DEFAULT now(),
title VARCHAR NOT NULL,
content VARCHAR NOT NULL,
author INTEGER,
format VARCHAR NOT NULL,
status VARCHAR NOT NULL,
global_id VARCHAR,
PRIMARY KEY (id),
FOREIGN KEY (article) REFERENCES articles,
FOREIGN KEY (author) REFERENCES users,
CHECK (format IN ('html')),
CHECK (status IN ('draft', 'published', 'syndicated')),
UNIQUE (global_id)
);
CREATE TABLE article_revision_characteristics(
revision INTEGER NOT NULL,
characteristic VARCHAR NOT NULL,
value VARCHAR,
FOREIGN KEY (revision) REFERENCES article_revisions,
UNIQUE (revision, characteristic, value)
);
CREATE TABLE article_revision_parenthood(
parent INTEGER NOT NULL,
child INTEGER NOT NULL,
PRIMARY KEY (parent, child),
FOREIGN KEY (parent) REFERENCES article_revisions,
FOREIGN KEY (child) REFERENCES article_revisions
);
CREATE TABLE comment_revisions(
id SERIAL NOT NULL,
comment INTEGER NOT NULL,
date TIMESTAMP DEFAULT now(),
content VARCHAR NOT NULL,
author INTEGER,
submitter_ip INET,
submitter_user_agent VARCHAR,
format VARCHAR NOT NULL,
status VARCHAR NOT NULL,
article_revision INTEGER,
PRIMARY KEY (id),
FOREIGN KEY (comment) REFERENCES comments,
FOREIGN KEY (author) REFERENCES users,
CHECK (status IN ('pending', 'approved', 'trusted', 'deferred', 'spam',
'rejected')),
CHECK (format IN ('text'))
);
CREATE TABLE categories(
id SERIAL NOT NULL,
name VARCHAR NOT NULL,
PRIMARY KEY (id)
);
CREATE TABLE category_inclusions(
category INTEGER NOT NULL,
supercategory INTEGER NOT NULL,
PRIMARY KEY (category, supercategory),
FOREIGN KEY (category) REFERENCES categories,
FOREIGN KEY (supercategory) REFERENCES categories
);
CREATE TABLE article_category_memberships(
article INTEGER NOT NULL,
category VARCHAR NOT NULL,
PRIMARY KEY (article, category),
FOREIGN KEY (article) REFERENCES articles
);
CREATE TABLE user_permissions(
"user" INTEGER NOT NULL,
permission VARCHAR NOT NULL,
status BOOLEAN,
PRIMARY KEY ("user", permission),
FOREIGN KEY ("user") REFERENCES users
);
CREATE TABLE user_settings(
"user" INTEGER NOT NULL,
setting VARCHAR NOT NULL,
value VARCHAR,
PRIMARY KEY ("user", setting),
FOREIGN KEY ("user") REFERENCES users
);
COMMIT;
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