protected function prepareCreateTableStatement(DataSourceHandler $handler, DatasetMetaData $dataset)
 {
     $sql = array(parent::prepareCreateTableStatement($handler, $dataset));
     foreach ($dataset->getColumns() as $column) {
         if (isset($column->description)) {
             $sql[] = $this->assembleColumnComment($handler, $dataset, $column);
         }
     }
     if (isset($dataset->description)) {
         $sql[] = $this->assembleTableComment($handler, $dataset);
     }
     return $sql;
 }