private function updateCatalogueTime($cat_id, $variant)
{
$time = time();
$command = $this->getDBConnection()->createCommand('UPDATE catalogue SET date_modified = :moddate WHERE cat_id = :catid');
$command->bindParameter(':moddate', $time, PDO::PARAM_INT);
$command->bindParameter(':catid', $cat_id, PDO::PARAM_INT);
$result = $command->execute();
if (!empty($this->cache)) {
$this->cache->clean($variant, $this->culture);
}
return $result;
}