Contents

class UseCompositedIndexOnPersonableOnPeople < ActiveRecord::Migration
  def up
    remove_index :people, name: :index_people_on_personable_id
    remove_index :people, name: :index_people_on_personable_type

    add_index :people, [:personable_id, :personable_type]
  end

  def down
    remove_index :people, [:personable_id, :personable_type]

    add_index :people, :personable_type, name: :index_people_on_personable_type
    add_index :people, :personable_id, name: :index_people_on_personable_id
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
unico-training-7.8.0	db/migrate/20111017070508_use_composited_index_on_personable_on_people.rb