consulta sin procesar de codeigniter
$sql="Select * from my_table where 1";
$query = $this->db->query($SQL);
return $query->result_array();
Poor Peacock
$sql="Select * from my_table where 1";
$query = $this->db->query($SQL);
return $query->result_array();
$query = $db->query('YOUR QUERY HERE');