Project

rails/acts_as_nested_set

0.07

Active Record Nesting

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NOTICE: official repository moved to https://github.com/bbommarito/acts_as_nested_set
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Ruby
Average date of last 50 commits
2007-09-11
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 Project Readme
ActsAsNestedSet
==============

This acts_as extension provides Nested Set functionality.  Nested Set is similiar to Tree, but with the added feature that you can select the children and all of their descendents with a single query.  A good use case for this is a threaded post system, where you want to display every reply to a comment without multiple selects.


Example
=======

  class Product < ActiveRecord::Base
    acts_as_nested_set
  end


Copyright (c) 2007 David Heinemeier Hansson, released under the MIT license