obsolete.ChilliProject/db/migrate/20100313171051_add_index_on...

10 lines
200 B
Ruby

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