public function isChanged()
{
// When unbound, use the local changed flag
if (!$this->record instanceof DataObject) {
return $this->isChanged;
}
// Defer to parent record
foreach ($this->compositeDatabaseFields() as $field => $spec) {
$key = $this->getName() . $field;
if ($this->record->isChanged($key)) {
return true;
}
}
return false;
}
