Codeigniter change database config at runtime

Question

Can I change the database config per method in a controller?

$db[\'default\'][\'db_debug\'] = TRUE;

The default is TRUE, while

Answer 1

you must add function on system/database/DB_driver.php

function debug_on()
{
     $this->db_debug = TRUE;
     return TRUE;
}

function debug_off()
{
     $this->db_debug = FALSE;
     return FALSE;
}

after that you can simply do this command to changes at run-time

$this->db->debug_off();
$this->db->reconnect();