module DataMapper
module DataMapper::Model
module DataMapper::Resource
module MongoMapper
module MongoMapper::Document
module MongoMapper::Document::ClassMethods
module Mongoid
module Mongoid::Document
module Mongoid::Document::ClassMethods
module OrmAdapter
module OrmAdapter::ToAdapter
class DataMapper::Resource::OrmAdapter
class MongoMapper::Document::OrmAdapter
class Mongoid::Document::OrmAdapter
class OrmAdapter::ActiveRecord
class OrmAdapter::Base
class OrmAdapter::NotSupportedError
orm_adapter
0.5.0
# column_names
def column_names raise NotSupportedError end