db->set('COL_SAT_NAME', 'FO-118'); $this->db->where('COL_SAT_NAME', 'CAS-5A'); $this->db->update($this->config->item('table_name')); } public function down() { $this->db->set('COL_SAT_NAME', 'CAS-5A'); $this->db->where('COL_SAT_NAME', 'FO-118'); $this->db->update($this->config->item('table_name')); } }