view db/migrate/20100313171051_add_index_on_issues_nested_set.rb @ 1083:0d837624e795 bug_531

If the file is large, acknowledge that it might be too large rather than binary (could be a big text file)

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