Multiple Schema Postgre

Hi,

How to set Multiple Schema Postgre in CodeIgniter 3 ?

Am tried like ,

Code:

$table_schema = examination,academics;
$this->setSchema($table_schema);

Code:

public function setSchema($table_schema) {
       if(!$table_schema) {
           return false;
       }
       if($this->db->dbdriver == 'postgre') {
           $this->db->simple_query('SET search_path TO ' . $table_schema . ',public');
       }    
   }

Not working Set first schema examination only, Please tell me how to set multiple Schema ??

Geetha