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 1class CreateAdminNotes < ActiveRecord::Migration
 2  def self.up
 3    create_table :admin_notes do |t|
 4      t.string :resource_id, :null => false
 5      t.string :resource_type, :null => false
 6      t.references :admin_user, :polymorphic => true
 7      t.text :body
 8      t.timestamps
 9    end
10    add_index :admin_notes, [:resource_type, :resource_id]
11    add_index :admin_notes, [:admin_user_type, :admin_user_id]
12  end
13
14  def self.down
15    drop_table :admin_notes
16  end
17end