function upgrade_3_3_alpha1($rev)
 {
     $config = CRM_Core_Config::singleton();
     if ($config->userSystem->is_drupal) {
         // CRM-6426 - make civicrm profiles permissioned on drupal my account
         $config->userSystem->updateCategories();
     }
     // CRM-6846
     // insert name column for custom field table.
     // make sure name for custom field, group and
     // profile should be unique and properly munged.
     $colQuery = 'ALTER TABLE `civicrm_custom_field` ADD `name` VARCHAR( 64 ) CHARACTER SET utf8 COLLATE utf8_unicode_ci NULL DEFAULT NULL AFTER `custom_group_id` ';
     CRM_Core_DAO::executeQuery($colQuery, CRM_Core_DAO::$_nullArray, TRUE, NULL, FALSE, FALSE);
     $customFldCntQuery = 'select count(*) from civicrm_custom_field where name like %1 and id != %2';
     $customField = new CRM_Core_DAO_CustomField();
     $customField->selectAdd();
     $customField->selectAdd('id, label');
     $customField->find();
     while ($customField->fetch()) {
         $name = CRM_Utils_String::munge($customField->label, '_', 64);
         $fldCnt = CRM_Core_DAO::singleValueQuery($customFldCntQuery, array(1 => array($name, 'String'), 2 => array($customField->id, 'Integer')), TRUE, FALSE);
         if ($fldCnt) {
             $name = CRM_Utils_String::munge("{$name}_" . rand(), '_', 64);
         }
         $customFieldQuery = "\nUpdate `civicrm_custom_field`\nSET `name` = %1\nWHERE id = %2\n";
         $customFieldParams = array(1 => array($name, 'String'), 2 => array($customField->id, 'Integer'));
         CRM_Core_DAO::executeQuery($customFieldQuery, $customFieldParams, TRUE, NULL, FALSE, FALSE);
     }
     $customField->free();
     $customGrpCntQuery = 'select count(*) from civicrm_custom_group where name like %1 and id != %2';
     $customGroup = new CRM_Core_DAO_CustomGroup();
     $customGroup->selectAdd();
     $customGroup->selectAdd('id, title');
     $customGroup->find();
     while ($customGroup->fetch()) {
         $name = CRM_Utils_String::munge($customGroup->title, '_', 64);
         $grpCnt = CRM_Core_DAO::singleValueQuery($customGrpCntQuery, array(1 => array($name, 'String'), 2 => array($customGroup->id, 'Integer')));
         if ($grpCnt) {
             $name = CRM_Utils_String::munge("{$name}_" . rand(), '_', 64);
         }
         CRM_Core_DAO::setFieldValue('CRM_Core_DAO_CustomGroup', $customGroup->id, 'name', $name);
     }
     $customGroup->free();
     $ufGrpCntQuery = 'select count(*) from civicrm_uf_group where name like %1 and id != %2';
     $ufGroup = new CRM_Core_DAO_UFGroup();
     $ufGroup->selectAdd();
     $ufGroup->selectAdd('id, title');
     $ufGroup->find();
     while ($ufGroup->fetch()) {
         $name = CRM_Utils_String::munge($ufGroup->title, '_', 64);
         $ufGrpCnt = CRM_Core_DAO::singleValueQuery($ufGrpCntQuery, array(1 => array($name, 'String'), 2 => array($ufGroup->id, 'Integer')));
         if ($ufGrpCnt) {
             $name = CRM_Utils_String::munge("{$name}_" . rand(), '_', 64);
         }
         CRM_Core_DAO::setFieldValue('CRM_Core_DAO_UFGroup', $ufGroup->id, 'name', $name);
     }
     $ufGroup->free();
     $upgrade = new CRM_Upgrade_Form();
     $upgrade->processSQL($rev);
     // now modify the config so that the directories are stored in option group/value
     // CRM-6914
     // require_once 'CRM/Core/BAO/ConfigSetting.php';
     // $params = array( );
     // CRM_Core_BAO_ConfigSetting::add( $parambs );
 }