Forum: Ruby on Rails How to describe self join in a model

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Ali (Guest)
on 2008-12-07 12:38
(Received via mailing list)
Hi ,
     I am new to rails, and i need to know one thing, i have a table
called Categories and i want to self join it in such a way , that one
category could be a parent of many categories, but could be child of
only one category.

Please tell me how to tell rails , in my Category Model, does the
following work for me ?

class Category

 belongs_to :category
 has_many :categories

Ed (Guest)
on 2008-12-07 17:51
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