php - Pagination in codeigniter. Extra set of values passed in to model and db->limit not working -

pagination in codeigniter. can't seem set limit of posts on every page (it shows of them on every page). think links working (they show on uri), not select rows per page.

the model:

public function index(  $limit,$start,      $var1,$var2,$var3,$var4 ){  $sql = "select          trabalho.var1         trabalho.var2         empregos.var3         empregos.var4         trabalho.empregos         join trabalho.empresas         on empregos.id_empresa = empresas.id_empresa                       trabalho.var1 ?         or trabalho.var2 ?         or empregos.var3 ?         or empregos.var4 ?         ;";   $variables_form = array($var1,$var2,$var3,$var4);  $this->db->limit($limit, $start); $query2 = $this->db->query($sql,$variables_form); return $query2->result(); } 

the controller:

$config['base_url'] = base_url().'index.php/main_controller/index'; $config['total_rows'] = 10; $config['per_page'] = 5; $config['num_links'] = 2; $config["uri_segment"] = 3; $config['use_page_numbers'] = true; $this->pagination->initialize($config);  $page = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0;  $data["info"] = $this->search_display_m->                     index($config["per_page"], $page,                      $var1 = 'a', $var2 = 'a',                      $var3 = 'a', $var4 = 'a',                     );  $data["links"] = $this->pagination->create_links(); 

and view:

<?php echo $this->pagination->create_links(); ?> 

and there way simplify uri?

this work

public function index(  $limit,$start,      $var1,$var2,$var3,$var4 ){  $sql = "select          trabalho.var1         trabalho.var2         empregos.var3         empregos.var4         trabalho.empregos         join trabalho.empresas         on empregos.id_empresa = empresas.id_empresa                       trabalho.var1 ?         or trabalho.var2 ?         or empregos.var3 ?         or empregos.var4 ?         limit $start, $limit     ;";   $variables_form = array($var1,$var2,$var3,$var4);   $query2 = $this->db->query($sql,$variables_form);  return $query2->result(); }