protected function subselect_query($name)
    {
        if (isset($this->subselect_query[$name]))
        {
            $sql = $this->subselect_query[$name];
        }
        else
        {
            $sql = preg_replace_callback('/\{(.+)\}/Uu', array($this, 'subselect_callback'), $this->subselect[$name]);
            $this->subselect_query[$name] = $sql;
        }
        return "({$sql}) AS `{$name}`";
    }
protected function subselect_query($name)
    {
        if (isset($this->subselect_query[$name]))
        {
            $sql = $this->subselect_query[$name];
        }
        else
        {
            $sql = preg_replace_callback('/\{(.+)\}/Uu', array($this, 'subselect_callback'), $this->subselect[$name]);
            $this->subselect_query[$name] = $sql;
        }
        return "({$sql}) AS `{$name}`";
    }
protected function subselect_query ( $ name ) { if ( isset ( $ this -> subselect_query [ $ name ] ) ) { $ sql = $ this -> subselect_query [ $ name ] ; } else { $ sql = preg_replace_callback ( '/\{(.+)\}/Uu' , array ( $ this , 'subselect_callback' ) , $ this -> subselect [ $ name ] ) ; $ this -> subselect_query [ $ name ] = $ sql ; } return "({$sql}) AS `{$name}`" ; }
creates subselect subquery for grid view
creates subselect subquery for grid view