view db/migrate/20100313171051_add_index_on_issues_nested_set.rb @ 1624:76f8f0814e1e live

Use --check to avoid errors when updating in repos with more than one head

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