MetaTable::onBeforeUpdate

static function onBeforeUpdate(Event $event)
{
	$result = new MainORMEventResult();

	$result->unsetField('HASH');
	$result->unsetField('HASH_CRC');
	$result->modifyFields([
		'META_CRC' => static::getCrc($event->getParameter('fields')['META']),
	]);

	return $result;
}