Returning Decimal from the function : Function Returning « Procedure Function « MySQL Tutorial






  1. MySQL Tutorial
  2. Procedure Function
  3. Function Returning
mysql>
mysql> DELIMITER //
mysql>
mysql> CREATE FUNCTION myFunction (rush_ship INT(10)) RETURNS DECIMAL(10,2)
    -> BEGIN
    ->
    -> DECLARE rush_shipping_cost DECIMAL(10,2);
    ->
    -> CASE rush_ship
    -> WHEN 1 THEN
    ->         SET rush_shipping_cost = 20.00;
    -> WHEN 2 THEN
    ->         SET rush_shipping_cost = 15.00;
    -> WHEN 3 THEN
    ->         SET rush_shipping_cost = 10.00;
    -> ELSE
    ->         SET rush_shipping_cost = 0.00;
    -> END CASE;
    ->
    -> RETURN rush_shipping_cost;
    ->
    -> END
    -> //
Query OK, 0 rows affected (0.00 sec)

mysql> DELIMITER ;
mysql>
mysql> select myFunction(1);
+---------------+
| myFunction(1) |
+---------------+
|         20.00 |
+---------------+
1 row in set (0.00 sec)

mysql>
mysql> drop function myFunction;
Query OK, 0 rows affected (0.02 sec)








11.4.Function Returning
11.4.1.Return value from a function
11.4.2.Return integer value from a function
11.4.3.Return NUMERIC(8,2) from a function
11.4.4.Check function parameter and return value
11.4.5.Using the returning value from a user-defined function in order by clause
11.4.6.Returning Decimal from the function