在MySQL触发器中引发阻止表更新的错误 [英] Throw an error preventing a table update in a MySQL trigger

问题描述

如果在更新表之前有触发器，如何抛出错误以阻止对该表进行更新?

If I have a trigger before the update on a table, how can I throw an error that prevents the update on that table?

推荐答案

Here is one hack that may work. It isn't clean, but it looks like it might work:

本质上，您只是尝试更新不存在的列.

Essentially, you just try to update a column that doesn't exist.

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