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MySQL的LAST_INSERT_ID用法举例_MySQL

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Release: 2016-06-01 13:39:22
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bitsCN.com MySQL的LAST_INSERT_ID用法举例 环境:MySQL Sever 5.1 + MySQL命令行工具首先看个例子(主键是自增长): [sql] mysql> insert into bankaccount(name,balance) values('123', 1000);  Query OK, 1 row affected (0.06 sec)    mysql> insert into bankstatement(action, txdate, amt, toaccno, fromaccno) values  ('122', curdate(), 1000, 1, 2);  Query OK, 1 row affected (0.00 sec)    mysql> select last_insert_id();  +------------------+  | last_insert_id() |  +------------------+  |                7 |  +------------------+  1 row in set (0.00 sec)    mysql> select * from bankaccount;  +-------+------+---------+  | accno | name | balance |  +-------+------+---------+  |     1 | 张三 |     200 |  |     2 | 李四 |     900 |  |     3 | 123  |    1000 |  |     4 | 123  |    1000 |  +-------+------+---------+  4 rows in set (0.00 sec)     mysql> select * from bankstatement;  +----+--------------+------------+------+---------+-----------+  | id | action       | txdate     | amt  | toaccno | fromaccno |  +----+--------------+------------+------+---------+-----------+  |  1 | 开户         | 2012-10-14 |  100 |    NULL |         1 |  |  2 | 开户         | 2012-10-14 | 1000 |    NULL |         2 |  |  3 | 查找账户信息 | 2012-10-14 |    0 |    NULL |         2 |  |  4 | 查找账户信息 | 2012-10-14 |    0 |    NULL |         1 |  |  5 | 转账         | 2012-10-14 |  100 |       1 |         2 |  |  6 | 122          | 2012-10-14 | 1000 |       1 |         2 |  |  7 | 122          | 2012-10-14 | 1000 |       1 |         2 |  +----+--------------+------------+------+---------+-----------+  7 rows in set (0.00 sec)   总结:LAST_INSERT_ID()返回最后一个INSERT或UPDATE语句中AUTO_INCREMENT列的值。
参考资料:

MySQL的LAST_INSERT_ID用法http:///database/201208/151747.html;mysql中的LAST_INSERT_ID()分析http:///database/201206/137028.htmlMysql函数:Last_insert_id()语法讲解http:///database/201210/160986.html bitsCN.com

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