在after_save回调中返回false并回滚 [英] Return false and rollback in after_save callback

问题描述

在ActiveRecord模型after_save回调中，我需要ROLLBACK事务并返回false。

In ActiveRecord model after_save callback I need to ROLLBACK transaction and return false.

def after_save_callback
  if mycondition?
    raise ActiveRecord::Rollback
  end
end

此回调回滚事务，但是mymodel.save！返回true。

This callback rolls-back transaction but mymodel.save! returns true. How to make it return false and rollback?

推荐答案

我不认为您可以使用做到这一点。 after_save 您应该查看 around_save ：

I don't think you can do this with after_save You should be looking at around_save instead:

def around_save
  ActiveRecord::Base.transaction do
    yield # calls the actual save method
    raise ActiveRecord::Rollback if my_condition?
  end
end

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