/* DataObject.php - loadLazyFields($tableClass = null) */


                ....

                if ($columns) {
                        $query = $dataQuery->query();
                        $this->extend('augmentLoadLazyFields', $query, $dataQuery, $this);
                        $this->extend('augmentSQL', $query, $dataQuery);

                        $dataQuery->setQueriedColumns($columns);
                        $newData = $dataQuery->execute()->record();

                        // Load the data into record
                        if($newData) {
                                foreach($newData as $k => $v) {
                                        if (in_array($k, $columns)) {
                                                $this->record[$k] = $v;
                                                $this->original[$k] = $v;
                                                unset($this->record[$k . '_Lazy']);
                                        }
                                }

                        // No data means that the query returned nothing; assign 'null' to all the requested fields
                        } else {
                                foreach($columns as $k) {
                                        $this->record[$k] = null;
                                        $this->original[$k] = null;
                                        unset($this->record[$k . '_Lazy']);
                                }
                        }
                }
        }