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class AddLftAndRgtIndexesToProjects < ActiveRecord::Migration
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  def self.up
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    add_index :projects, :lft
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    add_index :projects, :rgt
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  end
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  def self.down


    		
  

  

    
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    remove_index :projects, :lft


    		
  

  

    
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    remove_index :projects, :rgt


    		
  

  

    
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  end


    		
  

  

    
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end