Re: nil.to_sym when migrating?

Roger Pack
2008-05-05T04:32:59Z

the agent_id ?  rerun with --trace

On Fri, May 2, 2008 at 11:29 PM, Jeremy
<jeremy.bise-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
>  For whatever reason I''m getting the following when attempting to
run a
>  migration:
>
>  --rename_column(:listings, :listed_by, :agent_id)
>  rake aborted!
>  You have a nil object when you didn''t expect it!
>  The error occured while evaluating nil.to_sym
>
>  The migration itself looks like this:
>  class CorrectColumnType < ActiveRecord::Migration
>   def self.up
>         rename_column :listings, :listed_by, :agent_id
>   end
>
>   def self.down
>         rename_column :listings, :agent_id, :listed_by
>   end
>  end
>
>  The table ''listings'' and column
''listed_by'' do exist and the code
>  makes use of it fine--I just want to rename that column and
can''t.
>
>  Any ideas why?
>  >
>

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