+
+-- Updates from version 0.3.1
+
+DROP INDEX identities_user_id_idx;
+CREATE INDEX identities_user_id_idx ON identities (user_id, del);
+
+ALTER TABLE identities ADD changed timestamp with time zone DEFAULT now() NOT NULL;
+
+CREATE SEQUENCE contactgroups_ids
+ INCREMENT BY 1
+ NO MAXVALUE
+ NO MINVALUE
+ CACHE 1;
+
+CREATE TABLE contactgroups (
+ contactgroup_id integer DEFAULT nextval('contactgroups_ids'::text) PRIMARY KEY,
+ user_id integer NOT NULL
+ REFERENCES users(user_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ changed timestamp with time zone DEFAULT now() NOT NULL,
+ del smallint NOT NULL DEFAULT 0,
+ name varchar(128) NOT NULL DEFAULT ''
+);
+
+CREATE INDEX contactgroups_user_id_idx ON contactgroups (user_id, del);
+
+CREATE TABLE contactgroupmembers (
+ contactgroup_id integer NOT NULL
+ REFERENCES contactgroups(contactgroup_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ contact_id integer NOT NULL
+ REFERENCES contacts(contact_id) ON DELETE CASCADE ON UPDATE CASCADE,
+ created timestamp with time zone DEFAULT now() NOT NULL,
+ PRIMARY KEY (contactgroup_id, contact_id)
+);
+
+-- Updates from version 0.4-beta
+
+ALTER TABLE users ALTER last_login DROP NOT NULL;
+ALTER TABLE users ALTER last_login SET DEFAULT NULL;
+
+-- Updates from version 0.4.2
+
+DROP INDEX users_username_id_idx;
+ALTER TABLE users ADD CONSTRAINT users_username_key UNIQUE (username, mail_host);
+ALTER TABLE contacts ALTER email TYPE varchar(255);
+
+TRUNCATE messages;