[Rails] Re: Does :class_name for belongs_to have to be a string and why?

On Dec 26, 3:46 pm, Xanothos <xanot...@gmail.com> wrote:
> Seemingly, when I use a symbol, I get an ActiveRecord error stating
> 'Can't convert symbol into String.'  Why can't I use a symbol here?
> Possibly this is a deeper misunderstanding of symbols in general on my
> part.

Well symbols and strings are not interchangeable in general (and
glancing briefly at the source, activerecord calls various methods
only available on strings on the :class_name option).

Fred

>
> #ActiveRecord error
> class Book < ActiveRecord::Base
>   belongs_to :author, :class_name => :Person, :foreign_key
> => :author_id
> end
>
> #works
> class Book < ActiveRecord::Base
>   belongs_to :author, :class_name => "Person", :foreign_key
> => :author_id
> end

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