Class: CreateRecordHistories

Inherits:

ActiveRecord::Migration

• Object
• ActiveRecord::Migration
• CreateRecordHistories

show all

Defined in:

lib/generators/record_history/templates/create_record_histories.rb

Class Method Summary (collapse)

• + (Object) down
• + (Object) up

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# File 'lib/generators/record_history/templates/create_record_histories.rb', line 14

def self.down
  remove_index :versions, [:item_type, :item_id]
  drop_table :versions
end

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# File 'lib/generators/record_history/templates/create_record_histories.rb', line 2

def self.up
  create_table  :record_histories do |t|
    t.string    :target_type, :null => false
    t.integer   :target_id,   :null => false
    t.string    :attr_name,   :null => false
    t.integer   :author_id
    t.text :object
    t.datetime :created_at
  end
  add_index :versions, [:item_type, :item_id]
end