erp/core/CoreApp/models/Model_code.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
class Model_Code extends Lin_Model 
{
	function __construct(){
	parent::__construct();
	$this->load->database();
	$this->table = 'code';
    $this->load_table('code');
}
	public function get_number($number)
	{
		return  $this->find("number = '$number'");	
	}
}  //end class