Class: CreateVersionChildren

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

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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

def self.down
  remove_index :version_children, [:version_type, :version_id]
  remove_index :version_children, [:versionable_type, :versionable_id]
  drop_table :version_children
end

.up ⇒ Object 



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

def self.up
  create_table :version_children do |t|
    t.string   :version_type, null: false
    t.integer  :version_id, null: false
    t.string   :versionable_type
    t.integer  :versionable_id

    t.boolean  :marked_for_removal, null: false, default: false
  end
  add_index :version_children, [:version_type, :version_id]
  add_index :version_children, [:versionable_type, :versionable_id]
end