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Raising an ActiveRecord error on RecordNotFound

原文 2009-09-09 15:42:07 2 1 ruby-on-rails/ activerecord

如果找不到记录，是否可以通过find_by_x引发异常？

1 answers

added "!" at the end:

User.find_by_name "a" => return nil

User.find_by_name! "a" => raise error

ActiveRecord::RecordNotFound not raising with non-id in Rails 3

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ActiveRecord::RecordNotFound:

ActiveRecord::RecordNotFound

ActiveRecord::RecordNotFound

Params[:id] returning ActiveRecord::RecordNotFound Error

How can I bypass error ActiveRecord::RecordNotFound?

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