class CreateRelationships < ActiveRecord::Migration
  def self.up
    create_table :relationships do |t|
      t.integer :user_id
      t.integer :following_id
      
      t.timestamps
    end
    
    add_index( :relationships, [ :user_id, :following_id ], :unique => true )
    
  end

  def self.down
    drop_table :relationships
  end
end