--- /dev/null
+<?php
+
+$installedVersion=OCP\Config::getAppValue('contacts', 'installed_version');
+if (version_compare($installedVersion, '0.2.90', '<')) {
+ // First set all address books in-active.
+ $stmt = OCP\DB::prepare( 'UPDATE *PREFIX*contacts_addressbooks SET active=0' );
+ $result = $stmt->execute(array());
+
+ // Then get all the active address books.
+ $stmt = OCP\DB::prepare( 'SELECT userid,configvalue FROM *PREFIX*preferences WHERE appid=\'contacts\' AND configkey=\'openaddressbooks\'' );
+ $result = $stmt->execute(array());
+
+ // Prepare statement for updating the new 'active' field.
+ $stmt = OCP\DB::prepare( 'UPDATE *PREFIX*contacts_addressbooks SET active=? WHERE id=? AND userid=?' );
+ while( $row = $result->fetchRow()) {
+ $ids = explode(';', $row['configvalue']);
+ foreach($ids as $id) {
+ $r = $stmt->execute(array(1, $id, $row['userid']));
+ }
+ }
+
+ // Remove the old preferences.
+ $stmt = OCP\DB::prepare( 'DELETE FROM *PREFIX*preferences WHERE appid=\'contacts\' AND configkey=\'openaddressbooks\'' );
+ $result = $stmt->execute(array());
+}