php - how to use or_where and where in codeigniter -


i facing problem when using active record or_where
how or 1 particular field i.e meeting_status

$this->db->_protect_identifiers=false;         $this->db->select("g.category_id,f.doc_type_id,g.category_name,f.doc_type_name,c.meeting_name_id, c.meeting_name mn, d.meeting_type_id, d.meeting_type_name, e.venue_id, e.venue_name, u.*, (select count(*) tbl_meeting_decisions meeting_id=u.meeting_id , record_status= 'active') `meeting_decision`, (select count(*) tbl_meeting_actions  meeting_id=u.meeting_id , record_status= 'active') `meeting_action`, (select count(*) tbl_meeting_actions  meeting_id=u.meeting_id , action_status='open' , record_status= 'active') `meeting_close_action`");         $this->db->from('tbl_meeting_plans u');         $this->db->join('tbl_meeting_names c', 'c.meeting_name_id = u.meeting_name');         $this->db->join('tbl_meeting_types d', 'd.meeting_type_id = u.meeting_mode_id');         $this->db->join('tbl_meeting_venue e', 'e.venue_id = u.venue_id ');         $this->db->join('tbl_document_types f', 'f.doc_type_id = u.meeting_type_id ');         $this->db->join('tbl_categories g', 'g.category_id = u.meeting_category_id ');               $this->db->where(array('u.meeting_type_id'=>$str2,'u.meeting_category_id'=>$str1,'u.meeting_status'=>'planning','u.record_status'=>'active'  )); $this->db->or_where(array('u.meesting_status'=>'meeting updated' )); 

 $where = "(u.meeting_status='planning' or u.meeting_status='meeting  updated') ";   $this->db->where($where);

before use normal clause


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