View file news/app/Models/Pages_Model.php

<?php

class Pages_Model extends Controller
{
	public function all_news_count()
	{
		return count($this->db->exec("SELECT * FROM `".$this->prefix."-news`"));
	}
	
	public function all_news_sql($limit)
	{
		return $this->db->exec("SELECT * FROM `".$this->prefix."-news` ORDER BY news_id DESC $limit");
	}
}