other db connected

  $otherdb = $this->load->database('otherdb', TRUE);

   

    $id = 4;

    if ($customeThemeSlug) {

      $save['customeTheme'] = $customeThemeSlug;

 

      $this->db->where('id', $id);

      $this->db->update('company_info', $save);

    }

   

//   $query = $otherdb->select('*')->get('company_info');

    $otherdb->where('id', $id);

    $otherdb->update('company_info', $save);

    //   $query = $otherdb->select('*')->get('company_info');

    $otherdb->where('id', $id);

    $otherdb->update('company_info', $save);

$db['otherdb'] = array(

    'dsn'   => '',

    'hostname' => 'localhost',

    'username' => 'root',

    'password' => '',

    'database' => 'allthemes',

    'dbdriver' => 'mysqli',

    'dbprefix' => '',

    'pconnect' => FALSE,

    'db_debug' => (ENVIRONMENT !== 'production'),

    'cache_on' => FALSE,

    'cachedir' => '',

    'char_set' => 'utf8',

    'dbcollat' => 'utf8_general_ci',

    'swap_pre' => '',

    'encrypt' => FALSE,

    'compress' => FALSE,

    'stricton' => FALSE,

    'failover' => array(),

    'save_queries' => TRUE

);