/**
* Build and execute the current query
* This wil run the local build function and pass the parameters
* from the builder object in the handler
*
* @param string $handler
* @return mixed
*/
public function run($handler = null)
{
if (!is_null($handler)) {
$this->handler($handler);
}
return $this->handler->run($this->build(), $this->handler->builder()->parameters);
}
