Hibernate级联删除报Cannot delete or update a parent row: a foreign key constraint fa

其他 2018-05-17 01:38:09 阅读次数: 2

原文地址：http://michaeljscofield.iteye.com/blog/1871081

在删除主表数据时,报了一个异常

Cannot delete or update a parent row: a foreign key constraint fails

原因是主表中还包含字表的数据，不能删除与这张表或数据有关联的字段，所以无法删除

解决办法：在创建数据库的外键时，将删除的动作配置由RESTRICT改成cascade，就可以解决

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