本文介绍了引发错误,防止 MySQL 触发器中的表更新的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?
解决方案
Here is one hack that may work. It isn't clean, but it looks like it might work:
Essentially, you just try to update a column that doesn't exist.
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