LOOP Statement with LEAVE : LOOP « Procedure Function « SQL / MySQL

1. SQL / MySQL
2. Procedure Function
3. LOOP

LOOP Statement with LEAVE

  


mysql>
mysql> DELIMITER //
mysql> CREATE FUNCTION myFunction(quantity INT(10)) RETURNS INT(10)
    -> BEGIN
    ->
    ->     increment: LOOP
    ->
    ->     IF quantity MOD 10 < 1 THEN
    ->     LEAVE increment;
    ->     END IF;
    ->
    ->     SET quantity = quantity - 1;
    ->
    ->     END LOOP increment;
    ->
    ->     RETURN quantity;
    ->
    -> END
    -> //
Query OK, 0 rows affected (0.00 sec)

mysql> DELIMITER ;
mysql>
mysql> select myFunction(10);
+----------------+
| myFunction(10) |
+----------------+
|             10 |
+----------------+
1 row in set (0.00 sec)

mysql>
mysql>
mysql> drop function myFunction;
Query OK, 0 rows affected (0.00 sec)

mysql>

          
  

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