module DataMapper module Queries class Reader attr_reader :columns def initialize(database_result_set) end def eof? raise NotImplementedError.new end def records_affected raise NotImplementedError.new end def each raise NotImplementedError.new end def entries raise NotImplementedError.new end def [](column) raise NotImplementedError.new end def each_pair raise NotImplementedError.new end def close raise NotImplementedError.new end end end # module Queries end # module DataMapper