DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`parking_new`(vStart INT, vEnd INT, vSectorFk INT)
BEGIN

	DECLARE vRow INT;
    DECLARE vColumn INT;
    DECLARE vLetters VARCHAR(200);
    DECLARE vLettersLength INT;
    
    SET vColumn = vStart;
    SET vRow = 1;
    SET vLetters = 'ABCDEF';
	SET vLettersLength = LENGTH(vLetters);
    
    WHILE vColumn <= vEnd DO
    
		REPLACE vn.parking(`column`, `row`, `code`, sectorFk)
			VALUES(vColumn, vRow, CONCAT(vColumn,MID(vLetters,vRow,1)), vSectorFk);
    
		SET vRow = vRow + 1;
        
        IF vRow > vLettersLength THEN
        
			SET vRow = 1;
            SET vColumn = vColumn + 1;
        
        END IF;
    
    END WHILE;
    
END$$
DELIMITER ;