不知道下面这个例子对你有没有帮助。
mysql> delimiter //mysql> CREATE PROCEDURE simpleproc (OUT param1 INT)
-> BEGIN
-> SELECT COUNT(*) INTO param1 FROM t;
-> END;
-> //
Query OK, 0 rows affected (0.00 sec)mysql> delimiter ;mysql> CALL simpleproc(@a);
Query OK, 0 rows affected (0.00 sec)mysql> SELECT @a;
+------+
| @a |
+------+
| 3 |
+------+
1 row in set (0.00 sec)
mysql> delimiter //mysql> CREATE PROCEDURE simpleproc (OUT param1 INT)
-> BEGIN
-> SELECT COUNT(*) INTO param1 FROM t;
-> END;
-> //
Query OK, 0 rows affected (0.00 sec)mysql> delimiter ;mysql> CALL simpleproc(@a);
Query OK, 0 rows affected (0.00 sec)mysql> SELECT @a;
+------+
| @a |
+------+
| 3 |
+------+
1 row in set (0.00 sec)
解决方案 »
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