lib/generators/acts_as_commentable_with_threading_migration/templates/migration.rb
class ActsAsCommentableWithThreadingMigration < ActiveRecord::Migration
def self.up
create_table :comments, force: true do |t|
t.integer :commentable_id
t.string :commentable_type
t.string :title
t.text :body
t.string :subject
t.integer :user_id, null: false
t.integer :parent_id, :lft, :rgt
t.timestamps
end
add_index :comments, :user_id
add_index :comments, [:commentable_id, :commentable_type]
end
def self.down
drop_table :comments
end
end