mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc(id int)
-> BEGIN
-> CASE
-> WHEN id < 2 THEN
-> select 'less than 2';
-> WHEN id > 2 and id < 5 THEN
-> select 'greater than 2 and less than 5';
-> ELSE
-> select 'ELSE';
-> END CASE;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> delimiter ;
mysql>
mysql> call myProc(1);
+-------------+
| less than 2 |
+-------------+
| less than 2 |
+-------------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> call myProc(3);
+--------------------------------+
| greater than 2 and less than 5 |
+--------------------------------+
| greater than 2 and less than 5 |
+--------------------------------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.00 sec)
mysql>