是否可以暂时禁用MySQL中的约束?
我有两个Django模型,每个模型都有一个ForeignKey到另一个.由于ForeignKey约束,删除模型的实例会返回错误:
cursor.execute("DELETE FROM myapp_item WHERE n = %s", n)
transaction.commit_unless_managed() #a foreign key constraint fails here
cursor.execute("DELETE FROM myapp_style WHERE n = %s", n)
transaction.commit_unless_managed()
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是否可以暂时禁用约束并删除?