Question

When trying to create the trigger below, I get this message

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '; END' at line 9

Can someone please help? Thank you

delimiter $$

CREATE TRIGGER tr_update_item_status
AFTER UPDATE ON check_in 
FOR EACH ROW
BEGIN
  IF OLD.quantity > 0 AND NEW.quantity <= 0 THEN
    UPDATE check_in SET item_status = 'Sold';
  ELSEIF OLD.quantity <= 0 AND NEW.quantity > 0 THEN
    UPDATE check_in SET item_status = 'Available';
  ENDIF;
END;$$

delimiter ;

Answer 1

DELIMITER $$

CREATE TRIGGER tr_update_item_status
AFTER UPDATE ON check_in  
FOR EACH ROW
BEGIN
  IF OLD.quantity > 0 AND NEW.quantity <= 0 THEN
    UPDATE check_in SET item_status = 'Sold';
  ELSEIF OLD.quantity <= 0 AND NEW.quantity > 0 THEN
    UPDATE check_in SET item_status = 'Available';
  END IF;
END $$

DELIMITER ;

This should work. All the best.