/**
* update
*
* @param ConfigEntity $config config object
*
* @return ConfigEntity
*/
protected function update(ConfigEntity $config)
{
$diff = $config->getDirty();
if (count($diff) > 0) {
$this->conn->table($this->table)->where('siteKey', $config->siteKey)->where('name', $config->name)->update($diff);
}
return $this->createModel(array_merge($config->getOriginal(), $diff));
}