setChange("ALTER TABLE `tt_fav_reports` CHANGE `group_by` `group_by1` varchar(20) default NULL");
setChange("ALTER TABLE `tt_fav_reports` ADD `group_by2` varchar(20) default NULL AFTER `group_by1`");
setChange("ALTER TABLE `tt_fav_reports` ADD `group_by3` varchar(20) default NULL AFTER `group_by2`");
setChange("ALTER TABLE `tt_fav_reports` CHANGE `group_by` `group_by1` varchar(20) default NULL");
setChange("ALTER TABLE `tt_fav_reports` ADD `group_by2` varchar(20) default NULL AFTER `group_by1`");
setChange("ALTER TABLE `tt_fav_reports` ADD `group_by3` varchar(20) default NULL AFTER `group_by2`");