我非常重视命名，所以我非常认真地思考我的ActiveRecord模型的好名字.然而，我经常会想到一个名称，它与数据库、Ruby或Rails中的保留名称有一些冲突.模型或字段名，如set或group.有时这个问题也不是很明显.是否有一个我们不能在模型名中使用的名称列表和一个字段名列表？
我非常重视命名，所以我非常认真地思考我的ActiveRecord模型的好名字.然而，我经常会想到一个名称，它与数据库、Ruby或Rails中的保留名称有一些冲突.模型或字段名，如set或group.有时这个问题也不是很明显.是否有一个我们不能在模型名中使用的名称列表和一个字段名列表？
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else
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ensure
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or
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self
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