Class: CreateChangeLogs

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

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/templates/create_change_logs.rb', line 15

def self.down
  drop_table :change_logs
end

.up ⇒ Object 



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

def self.up
  create_table :change_logs do |t|
    t.integer :item_id, :null => false
    t.string :item_type, :null => false
    t.string :attribute_name, :old_value, :new_value
    t.string :changed_by
    t.integer :revision
    t.datetime :created_at
  end
  add_index :change_logs, [:item_type, :item_id]
  add_index :change_logs, [:changed_by, :created_at]
end