lithium\data\collection\RecordSet::_columnMap PHP Method

    protected function _columnMap()
    {
        if ($this->_query && ($map = $this->_query->map())) {
            return $map;
        }
        if (!($model = $this->_model)) {
            return array();
        }
        if (!is_object($this->_query) || !$this->_query->join()) {
            return $model::connection()->schema($this->_query);
        }
        $model = $this->_model;
        return $model::connection()->schema($this->_query);
    }