erp/core/CoreApp/models/Model_orderurl.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
class Model_orderurl extends Lin_Model 
{
	function __construct(){
	parent::__construct();
	$this->load->database();
	$this->table = 'orderurl';
    $this->load_table('orderurl');
}

	public function get_url($url)
	{
		return  $this->find("url = '$url'");	
	}
	
}  //end class