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view db/migrate/20100313171051_add_index_on_issues_nested_set.rb @ 274:4d493e74dcfc feature_72

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author luisf <luis.figueira@eecs.qmul.ac.uk>
date Mon, 21 Mar 2011 13:31:25 +0000
parents 513646585e45
children
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class AddIndexOnIssuesNestedSet < ActiveRecord::Migration
  def self.up
    add_index :issues, [:root_id, :lft, :rgt]
  end

  def self.down
    remove_index :issues, [:root_id, :lft, :rgt]
  end
end