+CREATE INDEX ix_users_username ON users(username);
+CREATE INDEX ix_users_alias ON users(alias);
+
+-- Updates from version 0.2-alpha
+
+CREATE INDEX ix_messages_created ON messages (created);
+
+-- Updates from version 0.2-beta
+
+CREATE INDEX ix_session_changed ON session (changed);
+CREATE INDEX ix_cache_created ON cache (created);
+
+-- Updates from version 0.3-stable
+
+DELETE FROM messages;
+DROP INDEX ix_messages_user_cache_uid;
+CREATE UNIQUE INDEX ix_messages_user_cache_uid ON messages (user_id,cache_key,uid);
+CREATE INDEX ix_messages_index ON messages (user_id,cache_key,idx);
+DROP INDEX ix_contacts_user_id;
+CREATE INDEX ix_contacts_user_id ON contacts(user_id, email);
+
+-- Updates from version 0.3.1
+
+-- ALTER TABLE identities ADD COLUMN changed datetime NOT NULL default '0000-00-00 00:00:00'; --
+
+CREATE TABLE temp_identities (
+ identity_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ standard tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ organization varchar(128) default '',
+ email varchar(128) NOT NULL default '',
+ "reply-to" varchar(128) NOT NULL default '',
+ bcc varchar(128) NOT NULL default '',
+ signature text NOT NULL default '',
+ html_signature tinyint NOT NULL default '0'
+);
+INSERT INTO temp_identities (identity_id, user_id, standard, name, organization, email, "reply-to", bcc, signature, html_signature)
+ SELECT identity_id, user_id, standard, name, organization, email, "reply-to", bcc, signature, html_signature
+ FROM identities WHERE del=0;
+
+DROP INDEX ix_identities_user_id;
+DROP TABLE identities;
+
+CREATE TABLE identities (
+ identity_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ standard tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ organization varchar(128) default '',
+ email varchar(128) NOT NULL default '',
+ "reply-to" varchar(128) NOT NULL default '',
+ bcc varchar(128) NOT NULL default '',
+ signature text NOT NULL default '',
+ html_signature tinyint NOT NULL default '0'
+);
+CREATE INDEX ix_identities_user_id ON identities(user_id, del);
+
+INSERT INTO identities (identity_id, user_id, standard, name, organization, email, "reply-to", bcc, signature, html_signature)
+ SELECT identity_id, user_id, standard, name, organization, email, "reply-to", bcc, signature, html_signature
+ FROM temp_identities;
+
+DROP TABLE temp_identities;
+
+CREATE TABLE contactgroups (
+ contactgroup_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default ''
+);
+
+CREATE INDEX ix_contactgroups_user_id ON contactgroups(user_id, del);
+
+CREATE TABLE contactgroupmembers (
+ contactgroup_id integer NOT NULL,
+ contact_id integer NOT NULL default '0',
+ created datetime NOT NULL default '0000-00-00 00:00:00',
+ PRIMARY KEY (contactgroup_id, contact_id)
+);
+
+-- Updates from version 0.3.1
+
+CREATE TABLE tmp_users (
+ user_id integer NOT NULL PRIMARY KEY,
+ username varchar(128) NOT NULL default '',
+ mail_host varchar(128) NOT NULL default '',
+ alias varchar(128) NOT NULL default '',
+ created datetime NOT NULL default '0000-00-00 00:00:00',
+ last_login datetime NOT NULL default '0000-00-00 00:00:00',
+ language varchar(5),
+ preferences text NOT NULL default ''
+);
+
+INSERT INTO tmp_users (user_id, username, mail_host, alias, created, last_login, language, preferences)
+ SELECT user_id, username, mail_host, alias, created, last_login, language, preferences FROM users;
+
+DROP TABLE users;
+
+CREATE TABLE users (
+ user_id integer NOT NULL PRIMARY KEY,
+ username varchar(128) NOT NULL default '',
+ mail_host varchar(128) NOT NULL default '',
+ alias varchar(128) NOT NULL default '',
+ created datetime NOT NULL default '0000-00-00 00:00:00',
+ last_login datetime DEFAULT NULL,
+ language varchar(5),
+ preferences text NOT NULL default ''
+);
+
+INSERT INTO users (user_id, username, mail_host, alias, created, last_login, language, preferences)
+ SELECT user_id, username, mail_host, alias, created, last_login, language, preferences FROM tmp_users;
+
+CREATE INDEX ix_users_username ON users(username);
+CREATE INDEX ix_users_alias ON users(alias);
+DROP TABLE tmp_users;
+
+-- Updates from version 0.4.2
+
+DROP INDEX ix_users_username;
+CREATE UNIQUE INDEX ix_users_username ON users(username, mail_host);
+
+CREATE TABLE contacts_tmp (
+ contact_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ email varchar(255) NOT NULL default '',
+ firstname varchar(128) NOT NULL default '',
+ surname varchar(128) NOT NULL default '',
+ vcard text NOT NULL default ''
+);
+
+INSERT INTO contacts_tmp (contact_id, user_id, changed, del, name, email, firstname, surname, vcard)
+ SELECT contact_id, user_id, changed, del, name, email, firstname, surname, vcard FROM contacts;
+
+DROP TABLE contacts;
+CREATE TABLE contacts (
+ contact_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ email varchar(255) NOT NULL default '',
+ firstname varchar(128) NOT NULL default '',
+ surname varchar(128) NOT NULL default '',
+ vcard text NOT NULL default ''
+);
+
+INSERT INTO contacts (contact_id, user_id, changed, del, name, email, firstname, surname, vcard)
+ SELECT contact_id, user_id, changed, del, name, email, firstname, surname, vcard FROM contacts_tmp;
+
+CREATE INDEX ix_contacts_user_id ON contacts(user_id, email);
+DROP TABLE contacts_tmp;
+
+DELETE FROM messages;
+
+
+-- Updates from version 0.5.1
+-- Updates from version 0.5.2
+-- Updates from version 0.5.3
+-- Updates from version 0.5.4
+
+CREATE TABLE contacts_tmp (
+ contact_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ email varchar(255) NOT NULL default '',
+ firstname varchar(128) NOT NULL default '',
+ surname varchar(128) NOT NULL default '',
+ vcard text NOT NULL default ''
+);
+
+INSERT INTO contacts_tmp (contact_id, user_id, changed, del, name, email, firstname, surname, vcard)
+ SELECT contact_id, user_id, changed, del, name, email, firstname, surname, vcard FROM contacts;
+
+DROP TABLE contacts;
+CREATE TABLE contacts (
+ contact_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL default '0',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ del tinyint NOT NULL default '0',
+ name varchar(128) NOT NULL default '',
+ email varchar(255) NOT NULL default '',
+ firstname varchar(128) NOT NULL default '',
+ surname varchar(128) NOT NULL default '',
+ vcard text NOT NULL default '',
+ words text NOT NULL default ''
+);
+
+INSERT INTO contacts (contact_id, user_id, changed, del, name, email, firstname, surname, vcard)
+ SELECT contact_id, user_id, changed, del, name, email, firstname, surname, vcard FROM contacts_tmp;
+
+CREATE INDEX ix_contacts_user_id ON contacts(user_id, email);
+DROP TABLE contacts_tmp;
+
+
+DELETE FROM messages;
+DELETE FROM cache;
+CREATE INDEX ix_contactgroupmembers_contact_id ON contactgroupmembers (contact_id);
+
+-- Updates from version 0.6
+
+CREATE TABLE dictionary (
+ user_id integer DEFAULT NULL,
+ "language" varchar(5) NOT NULL,
+ data text NOT NULL
+);
+
+CREATE UNIQUE INDEX ix_dictionary_user_language ON dictionary (user_id, "language");
+
+CREATE TABLE searches (
+ search_id integer NOT NULL PRIMARY KEY,
+ user_id integer NOT NULL DEFAULT '0',
+ "type" smallint NOT NULL DEFAULT '0',
+ name varchar(128) NOT NULL,
+ data text NOT NULL
+);
+
+CREATE UNIQUE INDEX ix_searches_user_type_name (user_id, type, name);
+
+DROP TABLE messages;
+
+CREATE TABLE cache_index (
+ user_id integer NOT NULL,
+ mailbox varchar(255) NOT NULL,
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ valid smallint NOT NULL DEFAULT '0',
+ data text NOT NULL,
+ PRIMARY KEY (user_id, mailbox)
+);
+
+CREATE INDEX ix_cache_index_changed ON cache_index (changed);
+
+CREATE TABLE cache_thread (
+ user_id integer NOT NULL,
+ mailbox varchar(255) NOT NULL,
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ data text NOT NULL,
+ PRIMARY KEY (user_id, mailbox)
+);
+
+CREATE INDEX ix_cache_thread_changed ON cache_thread (changed);
+
+CREATE TABLE cache_messages (
+ user_id integer NOT NULL,
+ mailbox varchar(255) NOT NULL,
+ uid integer NOT NULL,
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ data text NOT NULL,
+ flags integer NOT NULL DEFAULT '0',
+ PRIMARY KEY (user_id, mailbox, uid)
+);
+
+CREATE INDEX ix_cache_messages_changed ON cache_messages (changed);
+
+-- Updates from version 0.7-beta
+
+DROP TABLE session;
+CREATE TABLE session (
+ sess_id varchar(128) NOT NULL PRIMARY KEY,
+ created datetime NOT NULL default '0000-00-00 00:00:00',
+ changed datetime NOT NULL default '0000-00-00 00:00:00',
+ ip varchar(40) NOT NULL default '',
+ vars text NOT NULL
+);
+
+CREATE INDEX ix_session_changed ON session (changed);