active_record_select_attributes_extension.rb

module ActiveRecordSelectAttributesExtension
  
  # Returns an array of arrays containing the field values.
  # Order is the same as that returned by +columns+.
  # select_rows("id, type") => [[1, 'one'], [2, 'one'], [3, 'two']]
  def select_rows(fields = nil)
    scope = fields ? self.scoped.select(fields) : self.scoped
    connection.select_rows(scope.to_sql)
  end

  def select_attributes(fields = nil)
    scope = fields ? self.scoped.select(fields) : self.scoped
    connection.send(:select_all, scope.to_sql)
  end
end

::ActiveRecord::Base.class_eval do
  extend ActiveRecordSelectAttributesExtension
end