public function addImage()
{
$this->db->trans_start();
//transaction starts
$query = "insert into image_info(user_id,image_type,id) values('" . $this->user_id . "','" . $this->image_type . "','" . $this->id . "')";
$this->db->query($query);
$insert_id = $this->db->insert_id();
$this->db->trans_complete();
//transaction ends
$query = "select * from image_info where image_id='" . $insert_id . "'";
$records = $this->db->query($query);
return Image_info::instantiateSingle($records);
}
