executeQuery("ALTER TABLE `" . hesk_dbEscape($hesk_settings['db_pfix']) . "tickets` ADD COLUMN `parent` MEDIUMINT(8) NULL AFTER `custom20`;"); } function down($hesk_settings) { $this->executeQuery("ALTER TABLE `" . hesk_dbEscape($hesk_settings['db_pfix']) . "tickets` DROP COLUMN `parent`"); } }