diff --git a/docs/SQL/mysql.initial.sql b/docs/SQL/mysql.initial.sql
index aa8aeb4..0028923 100644
--- a/docs/SQL/mysql.initial.sql
+++ b/docs/SQL/mysql.initial.sql
@@ -1,126 +1,127 @@
 CREATE TABLE IF NOT EXISTS `syncroton_policy` (
     `id` varchar(40) NOT NULL,
     `name` varchar(255) NOT NULL,
     `description` varchar(255) DEFAULT NULL,
     `policy_key` varchar(64) NOT NULL,
     `json_policy` blob NOT NULL,
     PRIMARY KEY (`id`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_device` (
     `id` varchar(40) NOT NULL,
     `deviceid` varchar(64) NOT NULL,
     `devicetype` varchar(64) NOT NULL,
     `owner_id` varchar(40) NOT NULL,
     `acsversion` varchar(40) NOT NULL,
     `policykey` varchar(64) DEFAULT NULL,
     `policy_id` varchar(40) DEFAULT NULL,
     `useragent` varchar(255) DEFAULT NULL,
     `imei` varchar(255) DEFAULT NULL,
     `model` varchar(255) DEFAULT NULL,
     `friendlyname` varchar(255) DEFAULT NULL,
     `os` varchar(255) DEFAULT NULL,
     `oslanguage` varchar(255) DEFAULT NULL,
     `phonenumber` varchar(255) DEFAULT NULL,
     `pinglifetime` int(11) DEFAULT NULL,
     `remotewipe` int(11) DEFAULT '0',
     `pingfolder` longblob,
     `lastsynccollection` longblob DEFAULT NULL,
     `lastping` datetime DEFAULT NULL,
     `contactsfilter_id` varchar(40) DEFAULT NULL,
     `calendarfilter_id` varchar(40) DEFAULT NULL,
     `tasksfilter_id` varchar(40) DEFAULT NULL,
     `emailfilter_id` varchar(40) DEFAULT NULL,
     PRIMARY KEY (`id`),
     UNIQUE KEY `owner_id--deviceid` (`owner_id`, `deviceid`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_folder` (
     `id` varchar(40) NOT NULL,
     `device_id` varchar(40) NOT NULL,
     `class` varchar(64) NOT NULL,
     `folderid` varchar(254) NOT NULL,
     `parentid` varchar(254) DEFAULT NULL,
     `displayname` varchar(254) NOT NULL,
     `type` int(11) NOT NULL,
     `creation_time` datetime NOT NULL,
     `lastfiltertype` int(11) DEFAULT NULL,
     `supportedfields` longblob DEFAULT NULL,
     PRIMARY KEY (`id`),
     UNIQUE KEY `device_id--class--folderid` (`device_id`(40),`class`(40),`folderid`(40)),
     KEY `folderstates::device_id--devices::id` (`device_id`),
     CONSTRAINT `folderstates::device_id--devices::id` FOREIGN KEY (`device_id`) REFERENCES `syncroton_device` (`id`) ON DELETE CASCADE ON UPDATE CASCADE 
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_synckey` (
     `id` varchar(40) NOT NULL,
     `device_id` varchar(40) NOT NULL DEFAULT '',
     `type` varchar(64) NOT NULL DEFAULT '',
     `counter` int(11) NOT NULL DEFAULT '0',
     `lastsync` datetime DEFAULT NULL,
     `pendingdata` longblob,
+    `client_id_map` longblob DEFAULT NULL,
     PRIMARY KEY (`id`),
     UNIQUE KEY `device_id--type--counter` (`device_id`,`type`,`counter`),
     CONSTRAINT `syncroton_synckey::device_id--syncroton_device::id` FOREIGN KEY (`device_id`) REFERENCES `syncroton_device` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_content` (
     `id` varchar(40) NOT NULL,
     `device_id` varchar(40) NOT NULL,
     `folder_id` varchar(40) NOT NULL,
     `contentid` varchar(128) NOT NULL,
     `creation_time` datetime DEFAULT NULL,
     `creation_synckey` int(11) NOT NULL,
     `is_deleted` tinyint(1) DEFAULT '0',
     PRIMARY KEY (`id`),
     UNIQUE KEY `device_id--folder_id--contentid` (`device_id`(40),`folder_id`(40),`contentid`(128)),
     KEY `syncroton_contents::device_id` (`device_id`),
     CONSTRAINT `syncroton_contents::device_id--syncroton_device::id` FOREIGN KEY (`device_id`) REFERENCES `syncroton_device` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_data` (
     `id` varchar(40) NOT NULL,
     `class` varchar(40) NOT NULL,
     `folder_id` varchar(40) NOT NULL,
     `data` longblob,
     PRIMARY KEY (`id`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_data_folder` (
     `id` varchar(40) NOT NULL,
     `type` int(11) NOT NULL,
     `name` varchar(255) NOT NULL,
     `owner_id` varchar(40) NOT NULL,
     `parent_id` varchar(40) DEFAULT NULL,
     PRIMARY KEY (`id`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_modseq` (
     `device_id` varchar(40) NOT NULL,
     `folder_id` varchar(40) NOT NULL,
     `synctime` datetime NOT NULL,
     `data` longblob,
     PRIMARY KEY (`device_id`,`folder_id`,`synctime`),
     KEY `syncroton_modseq::device_id` (`device_id`),
     CONSTRAINT `syncroton_modseq::device_id--syncroton_device::id` FOREIGN KEY (`device_id`) REFERENCES `syncroton_device` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 CREATE TABLE IF NOT EXISTS `syncroton_relations_state` (
     `device_id` varchar(40) NOT NULL,
     `folder_id` varchar(40) NOT NULL,
     `synctime` datetime NOT NULL,
     `data` longblob,
     PRIMARY KEY (`device_id`,`folder_id`,`synctime`),
     KEY `syncroton_relations_state::device_id` (`device_id`),
     CONSTRAINT `syncroton_relations_state::device_id--syncroton_device::id` FOREIGN KEY (`device_id`) REFERENCES `syncroton_device` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
 -- Roundcube core table should exist if we're using the same database
 
 CREATE TABLE IF NOT EXISTS `system` (
  `name` varchar(64) NOT NULL,
  `value` mediumtext,
  PRIMARY KEY(`name`)
 ) /*!40000 ENGINE=INNODB */ /*!40101 CHARACTER SET utf8 COLLATE utf8_general_ci */;
 
-INSERT INTO `system` (`name`, `value`) VALUES ('syncroton-version', '2014101300');
+INSERT INTO `system` (`name`, `value`) VALUES ('syncroton-version', '2023100500');