class CreateLogBookEvents

# File lib/generators/log_book/templates/create_log_book_events.rb, line 17
def self.down
  drop_table :log_book_events
end

# File lib/generators/log_book/templates/create_log_book_events.rb, line 2
def self.up
  create_table :log_book_events do |t|
    t.integer :historian_id
    t.string :historian_type
    t.integer :historizable_id
    t.string :historizable_type
    t.text :differences, :limit => 16777215 # mediumtext

    t.timestamps :null => false
  end

  add_index :log_book_events, [:historizable_id, :historizable_type, :created_at], :name => "index_log_book_events_on_historizable_and_created_at"
  add_index :log_book_events, [:created_at]
end