From: 7stud -- <bbxx789_05ss@...>
Date: 2011-08-26T11:37:52+09:00
Subject: Re: calling a descendant's method

Alexey Muranov wrote in post #1018529:
> In fact, i've got a problem in Rails with an abstract class
>
>   class AbstractSmartModel < ActiveRecord::Base
>     self.abstract_class = true
>     ...
>   end
>

Inside a class, but outside any method definitions, self equals the 
class.  So the line:

  self.abstract_class = true

is equivalent to:

  AbstractSmartModel.abstract_class = true



> I've got an error "Could not find table 'abstract_smarter_models' ".
>


I don't know what that indicates.


> I thought that one of the descendants called a method of
> AbstractSmartModel
> which called another method that only a non-abstract class could have,
> but apparently i was wrong.
> I'll try to debug this, sorry for bad question.
>
> UPDATE: the error is raised by a call to
> columns_hash inside of a class method of the abstract class.
> Do not understand.

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