這個錯誤是怎么回事?
控制臺報錯: ? Cannot add or update a child row: a foreign key constraint fails (`agent`.`user`, CONSTRAINT `FK_a7hlm8sj8kmijx6ucp7wfyt31` FOREIGN KEY (`uid`) REFERENCES `role` (`rid`))
角色和用戶關系分別為:
@ManyToOne(fetch = FetchType.EAGER,cascade=CascadeType.ALL)
@JoinColumn(name = "rid")
@OneToMany(fetch = FetchType.LAZY,cascade=CascadeType.ALL)
@JoinColumn(name = "rid")
表設計中發(fā)現(xiàn)user表中有兩個外鍵uid和rid
2016-03-28