code: private function getTableSchema(): ?Row
  	{
  		return $this->connection->query("
  			SELECT 
  				[tab.ENGINE],
  				[col.COLLATION_NAME],
  				[col.CHARACTER_SET_NAME]
  			FROM [information_schema.TABLES] tab
  			JOIN [information_schema.COLLATION_CHARACTER_SET_APPLICABILITY] col ON [tab.TABLE_COLLATION] = [col.COLLATION_NAME]
  			WHERE [tab.TABLE_SCHEMA] = %s
  				AND [tab.TABLE_NAME] = %s",
  			$this->database,
  			$this->name)->fetch();
  	}
docs: Vrati schema tabulky
  @return Row|null
  @throws QueryException