--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/update_tables_0.4.x-0.5.pgsql	Mon Aug 10 03:29:52 2009 +0000
@@ -0,0 +1,156 @@
+SET client_encoding = 'UTF8';
+SET client_min_messages = warning;
+
+ALTER SEQUENCE domains_gid RENAME TO domain_gid;
+
+
+CREATE TABLE domain_data (
+    gid         bigint NOT NULL DEFAULT nextval('domain_gid'),
+    tid         bigint NOT NULL DEFAULT 1,
+    domaindir   varchar(40) NOT NULL,
+    CONSTRAINT  pkey_domain_data PRIMARY KEY (gid),
+    CONSTRAINT  fkey_domain_data_tid_transport FOREIGN KEY (tid)
+        REFERENCES transport (tid)
+);
+
+CREATE TABLE domain_name (
+    domainname  varchar(255) NOT NULL,
+    gid         bigint NOT NULL,
+    is_primary  boolean NOT NULL,
+    CONSTRAINT  pkey_domain_name PRIMARY KEY (domainname),
+    CONSTRAINT  fkey_domain_name_gid_domain_data FOREIGN KEY (gid)
+        REFERENCES domain_data (gid)
+);
+
+INSERT INTO domain_data (gid, tid, domaindir) 
+    SELECT gid, tid, domaindir
+      FROM domains;
+
+INSERT INTO domain_name (domainname, gid, is_primary) 
+    SELECT domainname, gid, TRUE
+      FROM domains;
+
+
+ALTER TABLE users DROP CONSTRAINT pkye_users;
+ALTER TABLE users ADD CONSTRAINT  pkey_users PRIMARY KEY (local_part, gid);
+ALTER TABLE users DROP CONSTRAINT fkey_users_gid_domains;
+ALTER TABLE users ADD CONSTRAINT fkey_users_gid_domain_data FOREIGN KEY (gid)
+    REFERENCES domain_data (gid);
+
+ALTER TABLE alias DROP CONSTRAINT fkey_alias_gid_domains;
+ALTER TABLE alias DROP CONSTRAINT pkey_alias;
+ALTER TABLE alias ADD CONSTRAINT fkey_alias_gid_domain_data FOREIGN KEY (gid)
+    REFERENCES domain_data (gid);
+
+ALTER TABLE relocated DROP CONSTRAINT fkey_relocated_gid_domains;
+ALTER TABLE relocated ADD CONSTRAINT fkey_relocated_gid_domain_data
+    FOREIGN KEY (gid) REFERENCES domain_data (gid);
+
+
+CREATE OR REPLACE VIEW dovecot_password AS
+    SELECT local_part || '@' || domain_name.domainname AS "user",
+           passwd AS "password", smtp, pop3, imap, managesieve
+      FROM users
+           LEFT JOIN domain_name USING (gid);
+
+CREATE OR REPLACE VIEW dovecot_user AS
+    SELECT local_part || '@' || domain_name.domainname AS userid,
+           uid, gid, domain_data.domaindir || '/' || uid AS home,
+           '~/' || maillocation.maillocation AS mail
+      FROM users
+           LEFT JOIN domain_data USING (gid)
+           LEFT JOIN domain_name USING (gid)
+           LEFT JOIN maillocation USING (mid);
+
+CREATE OR REPLACE VIEW postfix_gid AS
+    SELECT gid, domainname
+      FROM domain_name;
+
+CREATE OR REPLACE VIEW postfix_uid AS
+    SELECT local_part || '@' || domain_name.domainname AS address, uid
+      FROM users
+           LEFT JOIN domain_name USING (gid);
+
+CREATE OR REPLACE VIEW postfix_maildir AS
+    SELECT local_part || '@' || domain_name.domainname AS address,
+           domain_data.domaindir||'/'||uid||'/'||maillocation.maillocation||'/'
+           AS maildir
+      FROM users
+           LEFT JOIN domain_data USING (gid)
+           LEFT JOIN domain_name USING (gid)
+           LEFT JOIN maillocation USING (mid);
+
+CREATE OR REPLACE VIEW postfix_relocated AS
+    SELECT address || '@' || domain_name.domainname AS address, destination
+      FROM relocated
+           LEFT JOIN domain_name USING (gid);
+
+DROP VIEW postfix_alias;
+DROP VIEW vmm_domain_info;
+DROP VIEW vmm_alias_count;
+
+ALTER TABLE alias ALTER address TYPE varchar(64);
+ALTER TABLE alias ADD CONSTRAINT pkey_alias 
+    PRIMARY KEY (gid, address, destination);
+
+CREATE OR REPLACE VIEW postfix_alias AS
+    SELECT address || '@' || domain_name.domainname AS address, destination, gid
+      FROM alias
+           LEFT JOIN domain_name USING (gid);
+
+CREATE OR REPLACE VIEW postfix_transport AS
+    SELECT local_part || '@' || domain_name.domainname AS address,
+           transport.transport
+      FROM users
+           LEFT JOIN transport USING (tid)
+           LEFT JOIN domain_name USING (gid);
+
+CREATE OR REPLACE VIEW vmm_domain_info AS
+    SELECT gid, domainname, transport, domaindir,
+           count(uid) AS accounts,
+           (SELECT count(DISTINCT address)
+              FROM alias
+             WHERE alias.gid = domain_data.gid) AS aliases,
+           (SELECT count(gid)
+              FROM relocated
+             WHERE relocated.gid = domain_data.gid) AS relocated,
+           (SELECT count(gid)
+              FROM domain_name
+             WHERE domain_name.gid = domain_data.gid
+               AND NOT domain_name.is_primary) AS aliasdomains
+      FROM domain_data
+           LEFT JOIN domain_name USING (gid)
+           LEFT JOIN transport USING (tid)
+           LEFT JOIN users USING (gid)
+     WHERE domain_name.is_primary
+  GROUP BY gid, domainname, transport, domaindir;
+
+
+DROP TABLE domains;
+
+
+CREATE LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION domain_primary_trigger() RETURNS TRIGGER AS $$
+DECLARE
+    primary_count bigint;
+BEGIN
+    SELECT INTO primary_count count(gid) + NEW.is_primary::integer
+      FROM domain_name
+     WHERE domain_name.gid = NEW.gid
+       AND is_primary;
+
+    IF (primary_count > 1) THEN
+        RAISE EXCEPTION 'There can only be one domain marked as primary.';
+    END IF;
+
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql STABLE;
+
+DROP TRIGGER IF EXISTS primary_count ON domain_name;
+CREATE TRIGGER primary_count_ins BEFORE INSERT ON domain_name
+    FOR EACH ROW EXECUTE PROCEDURE domain_primary_trigger();
+
+CREATE TRIGGER primary_count_upd AFTER UPDATE ON domain_name
+    FOR EACH ROW EXECUTE PROCEDURE domain_primary_trigger();