protected function accessColumn($key, $selectColumn = TRUE)
{
if (isset($this->modified[$key])) {
return;
}
$this->table->accessColumn($key, $selectColumn);
if ($this->table->getDataRefreshed() && !$this->dataRefreshed) {
$this->data = $this->table[$this->getSignature()]->data;
$this->dataRefreshed = TRUE;
}
}