# # Bug #19471516 SERVER CRASHES WHEN EXECUTING ALTER TABLE # ADD FOREIGN KEY # CREATE TABLE `department` (`department_id` INT, `department_people_fk` INT, PRIMARY KEY (`department_id`)) engine=innodb; CREATE TABLE `title` (`title_id` INT, `title_manager_fk` INT, `title_reporter_fk` INT, PRIMARY KEY (`title_id`)) engine=innodb; CREATE TABLE `people` (`people_id` INT, PRIMARY KEY (`people_id`)) engine=innodb; ALTER TABLE `department` ADD FOREIGN KEY (`department_people_fk`) REFERENCES `people` (`people_id`); ALTER TABLE `title` ADD FOREIGN KEY (`title_manager_fk`) REFERENCES `people` (`people_id`); ALTER TABLE `title` ADD FOREIGN KEY (`title_reporter_fk`) REFERENCES `people` (`people_id`); drop table title, department, people;