mysql>
mysql>
mysql>
mysql>
mysql> delimiter $$
mysql>
mysql>
mysql> CREATE PROCEDURE test()
-> BEGIN
-> DECLARE x INT DEFAULT 0;
-> BEGIN
-> DECLARE x INT DEFAULT 1;
-> IF TRUE THEN
-> BEGIN
-> DECLARE x INT DEFAULT 2;
-> SELECT x;
-> END;
-> END IF;
-> SELECT x;
-> END;
-> SELECT x;
-> END$$
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> delimiter ;
mysql>
mysql> drop procedure test;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>