SESSION 1:
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
+------+
1 row in set (0.08 sec)
mysql> insert into t1 values(2);
Query OK, 1 row affected (0.60 sec)
SESSION 2:
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
+------+
1 row in set (0.00 sec)
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
| 2 |
+------+
2 rows in set (0.00 sec)
此时是自动提交:
添加参数:
autocommit =0
[mysql@master ~]$ mysql -uroot -p123456
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.6.16-log Source distribution
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql> show variables like 'autocommit';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| autocommit | OFF |
+---------------+-------+
1 row in set (0.00 sec)
[mysql@master ~]$ mysql -utest -p123456
Warning: Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 3
Server version: 5.6.16-log Source distribution
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql> show variables like 'autocommit';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| autocommit | OFF |
+---------------+-------+
1 row in set (0.00 sec)
参数已经生效:
SESSION 1:
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
| 2 |
+------+
2 rows in set (0.00 sec)
mysql> insert into t1 values(3);
Query OK, 1 row affected (0.00 sec)
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
| 2 |
| 3 |
+------+
3 rows in set (0.00 sec)
SESSION 2:
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
| 2 |
+------+
2 rows in set (0.00 sec)
更新测试:
SESSION 1：
mysql> update t1 set id=100 where id=1;
Query OK, 1 row affected (0.22 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> select * from t1;
+------+
| id |
+------+
| 100 |
| 2 |
+------+
2 rows in set (0.00 sec)
SESSION 2：
mysql> select * from t1;
+------+
| id |
+------+
| 1 |
| 2 |
+------+
2 rows in set (0.00 sec)