Re: ActiveRecord Abstract class

Frederick Cheung
Sat, 03 Dec 2011 21:31:36 -0000

On Dec 3, 6:55 pm, "kahou l."
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:

> When I test drive it in rails console, I got the following error:
>
>   from (irb):1irb(main):002:0> sb = Subclass.new
> ActiveRecord::StatementInvalid: Could not find table
''subclasses''
>   from
> /usr/lib/ruby/gems/1.8/gems/activerecord-3.1.3/lib/active_record/connection
_adapters/sqlite_adapter.rb:439:in
> `table_structure''
>   from
> /usr/lib/ruby/gems/1.8/gems/activerecord-3.1.3/lib/active_record/connection
_adapters/sqlite_adapter.rb:322:in
> `columns''
>
> If I take out "self.abstract_class", everything works fine
(subclass
> object is inserted into abstractclass table but abstractclass can be
> instantiated --> that''s not what I want to...)
>
> Did I miss something here so that I cannot instantiate the subclass?
>

In the setup you''ve described, rails expects the subclass to have its
own table. If you don''t want that, then don''t set
abstract_class to
true

Fred
> Thanks,
> Kahou
>
> --
> Posted viahttp://www.ruby-forum.com/.

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