module ActiveRecord::Sanitization::ClassMethods

def quote_bound_value(connection, value)
  if value.respond_to?(:map) && !value.acts_like?(:string)
    values = value.map { |v| v.respond_to?(:id_for_database) ? v.id_for_database : v }
    if values.empty?
      connection.quote(connection.cast_bound_value(nil))
    else
      values.map! { |v| connection.quote(connection.cast_bound_value(v)) }.join(",")
    end
  else
    value = value.id_for_database if value.respond_to?(:id_for_database)
    connection.quote(connection.cast_bound_value(value))
  end
end