Ensures that the data about to be stored in the database is not larger than the data storage column. Raises ActionController::SessionOverflowError.

Source Code

# File action_controller/session/active_record_store.rb, line 142
def raise_on_session_data_overflow!
  return false if !loaded?
  limit = self.class.data_column_size_limit
  if loaded? and limit and read_attribute(@@data_column_name).size > limit
    raise ActionController::SessionOverflowError
  end
end