Class: CreateRecordHistories

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/record_history/templates/create_record_histories.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/record_history/templates/create_record_histories.rb', line 18

def self.down
  drop_table :record_histories
end

.up ⇒ Object 



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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    :item_type, :null => false
    t.integer   :item_id,   :null => false
    t.string    :attr_name
    t.text      :old_value_dump
    t.text      :new_value_dump
    t.string    :author_type
    t.integer   :author_id
    t.datetime  :created_at
  end
  add_index :record_histories, [:item_type, :item_id, :attr_name]
  add_index :record_histories, [:item_type, :item_id]
  add_index :record_histories, [:author_type, :author_id]
end