MySQL 存储过程的 BEGIN 和 END

2014/11/12 39651

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mysql>
mysql> DELIMITER //
mysql> CREATE FUNCTION myProc (cost DECIMAL(10,2))
    -> RETURNS DECIMAL(10,2)
    ->
    -> SQL SECURITY DEFINER
    ->
    -> tax: BEGIN
    ->     DECLARE order_tax DECIMAL(10,2);
    ->     SET order_tax = cost * .05;
    ->     RETURN order_tax;
    -> END
    -> //
Query OK, 0 rows affected (0.00 sec)

mysql> DELIMITER ;
mysql>
mysql> select myProc(123.45);
+----------------+
| myProc(123.45) |
+----------------+
|           6.17 |
+----------------+
1 row in set, 1 warning (0.00 sec)

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

mysql>