Can CodeIgniter Helper Functions use database functions?

Question

One of my CodeIgniter Controller functions needs to call a recursive function as part of its functionality. The function call chokes if I put it inside the controller class, an

Answer 1

 //Select Data:

$this->db->select(‘fieldname seperated by commas’);

$this->db->from(‘table’);

$query = $this->db->get();

$results=$query->result() ;

//Joins:

$this->db->select(‘*’);
$this->db->from(‘table1′);
$this->db->join(‘table2′, ‘table2.id = table1.id’);

$query = $this->db->get();

We may get it from http://skillrow.com/codeignitor-database-functions/