Query::__clone

public function __clone()
{
	$this->entity = clone $this->entity;

	$this->filterHandler = clone $this->filterHandler;
	$this->whereHandler = clone $this->whereHandler;
	$this->havingHandler = clone $this->havingHandler;

	foreach ($this->select as $k => $v)
	{
		if ($v instanceof ExpressionField)
		{
			$this->select[$k] = clone $v;
		}
	}
}