protected function isRelationTable($table)
	{
		$pk=$table->primaryKey;
        $count=is_array($pk) ? count($pk) : 1;
        return ($count === 2 // we want 2 columns
			&& isset($table->foreignKeys[$pk[0]]) // pk column 1 is also a foreign key
			&& isset($table->foreignKeys[$pk[1]]) // pk column 2 is also a foriegn key
			&& $table->foreignKeys[$pk[0]][0] !== $table->foreignKeys[$pk[1]][0]); // and the foreign keys point different tables
	}