-- Place your SQL code here
ALTER TABLE `vn`.`ticketRequest`
    CHANGE IF EXISTS `buyerCode` `buyerCode__` varchar(3) NOT NULL COMMENT '@deprecated 2024-04-23 refs #6731 field not used';

ALTER TABLE `vn`.`ticketConfig` ADD COLUMN  IF NOT EXISTS `defaultAttenderFk` int unsigned;

ALTER TABLE vn.ticketConfig ADD CONSTRAINT ticketConfig_worker_FK FOREIGN KEY (defaultAttenderFk) REFERENCES vn.worker(id);