From: Brian Candler <b.candler@...>
Date: 2010-09-10T04:17:32+09:00
Subject: Re: File upload help

Shef wrote:
> I'm fairly new to rails

Please note that Rails is not Ruby. Problems with Rails really belong on 
a Rails mailing list. But in this case I see your problem is here:

>         def corrections=(doc_field)
>                 self.corrections = doc_field.to_s
>         end

You've set up an infinite loop, of a method calling itself recursively, 
which in turn calls itself, which in turn calls itself... ad infinitum. 
Each call uses some memory, and so you must run out.

If this is an Active Record model, then use read_attribute or 
write_attribute to have direct access to the underlying data. (Look up 
"Facade Columns" in the index if you have the Agile Web Development with 
Rails book)

The non-Rails way to do what you want is something like this:

  alias :old_corrections= :corrections=

  def corrections=(doc_field)
    self.old_corrections = doc_field.to_s
  end

But I'm not sure why you're doing this - ActiveRecord adds the 
corrections= accessor for you, and if it's a string column I'm fairly 
sure it will convert any value you pass into a string. So try leaving it 
out entirely.

Brian.
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