Question about ORM(Update)

[eluser]WanWizard[/eluser]
Codeigniter doesn't have a native ORM, it has a query builder (called active record in versions up to 2.1.0).

You need a syntax like

Code:

$this->db->where('SUBSTRING_INDEX(SUBSTRING_INDEX(user_data, '\"', 4) , '\"', -1)', $user_id, FALSE);