From e5b314f7f236454b40431c463168f188b2545264 Mon Sep 17 00:00:00 2001
From: Matthias Andreas Benkard <code@mail.matthias.benkard.de>
Date: Tue, 1 Mar 2011 18:45:50 +0100
Subject: Add database schema.

---
 schema.sql | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 schema.sql

diff --git a/schema.sql b/schema.sql
new file mode 100644
index 0000000..185a777
--- /dev/null
+++ b/schema.sql
@@ -0,0 +1,119 @@
+BEGIN TRANSACTION;
+
+CREATE TABLE users(
+  id     SERIAL  NOT NULL,
+  name   VARCHAR,
+  status VARCHAR NOT NULL,
+  PRIMARY KEY (id),
+  CHECK (status IN ('pending', 'approved', 'trusted', 'deferred', 'disabled',
+                    'admin'))
+);
+
+CREATE TABLE passwords(
+  "user"   INTEGER NOT NULL,
+  id       INTEGER NOT NULL,
+  password VARCHAR NOT NULL,
+  PRIMARY KEY ("user", id),
+  FOREIGN KEY ("user") REFERENCES users
+);  
+
+CREATE TABLE openids(
+  "user" INTEGER NOT NULL,
+  id     INTEGER NOT NULL,
+  openid VARCHAR NOT NULL,
+  PRIMARY KEY ("user", id),
+  FOREIGN KEY ("user") REFERENCES users
+);  
+
+CREATE TABLE login_certificates(
+  "user"      INTEGER NOT NULL,
+  id          INTEGER NOT NULL,
+  certificate BYTEA NOT NULL,
+  PRIMARY KEY ("user", id),
+  FOREIGN KEY ("user") REFERENCES users
+);
+
+CREATE TABLE articles(
+  id SERIAL NOT NULL,
+  PRIMARY KEY (id)
+);
+
+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,
+  PRIMARY KEY (id, article),
+  FOREIGN KEY (article) REFERENCES articles
+);
+
+CREATE TABLE article_revisions(
+  article   INTEGER   NOT NULL,
+  id        INTEGER   NOT NULL,
+  date      TIMESTAMP DEFAULT now(),
+  title     VARCHAR   NOT NULL,
+  content   VARCHAR   NOT NULL,
+  author    INTEGER,
+  format    varchar   NOT NULL,
+  PRIMARY KEY (article, id),
+  FOREIGN KEY (article) REFERENCES articles,
+  FOREIGN KEY (author)  REFERENCES users,
+  CHECK (format IN ('html'))
+);
+
+CREATE TABLE article_revision_characteristics(
+  article        INTEGER NOT NULL,
+  revision       INTEGER NOT NULL,
+  characteristic VARCHAR NOT NULL,
+  value          VARCHAR,
+  FOREIGN KEY (article, revision) REFERENCES article_revisions
+);
+
+CREATE TABLE article_revision_parenthood(
+  article   INTEGER NOT NULL,
+  parent_id INTEGER NOT NULL,
+  child_id  INTEGER NOT NULL,
+  FOREIGN KEY (article, parent_id) REFERENCES article_revisions,
+  FOREIGN KEY (article, child_id)  REFERENCES article_revisions
+);
+
+CREATE TABLE comment_revisions(
+  article          INTEGER   NOT NULL,
+  comment_id       INTEGER   NOT NULL,
+  id               INTEGER   NOT NULL,
+  date             TIMESTAMP DEFAULT now(),
+  content          VARCHAR   NOT NULL,
+  author           INTEGER,
+  format           VARCHAR   NOT NULL,
+  status           VARCHAR   NOT NULL,
+  article_revision INTEGER,
+  PRIMARY KEY (article, comment_id, id),
+  FOREIGN KEY (article, comment_id) REFERENCES comments,
+  FOREIGN KEY (author)              REFERENCES users,
+  CHECK (status IN ('pending', 'approved', 'trusted', 'deferred', 'spam',
+                    'rejected')),
+  CHECK (format IN ('text'))
+);
+
+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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