BEGIN and END Statements
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BEGIN and END statements group statements in procedures with more than one SQL statement. |
Declarations can be made only within a BEGIN ... END block. |
You can define a label for the block to clarify your code. |
The labels must match exactly. |
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yourLableName: BEGIN
<SQL statement>;
<SQL statement>;
END yourLableName
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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>
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