mysql tee_MySQL 使用tee记录语句和输出日志
在mysql命令行中，使用tee命令，可以记录语句和输出到指定文件。在debugging时会很有用。
每执行一条语句，mysql都会讲执行结果刷新到指定文件。Tee功能只在交互模式生效。
mysql> tee /tmp/20160908.log
Logging to file '/tmp/20160908.log'
mysql> show databases;
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 4
Current database: test
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.01 sec)
mysql> use test
Database changed
mysql> show tables;
+--------------------+
| Tables_in_test |
+--------------------+
| ADDSubscribers |
| Subscribers |
| dept |
| emp |
| t10 |
| t2 |
| t5 |
| t50 |
| t7 |
| test |
| tmp_Subscribers_01 |
| tmp_Subscribers_02 |
| tmp_Subscribers_03 |
| version |
+--------------------+
14 rows in set (0.00 sec)
mysql> select * from emp;
+-------+--------+-----------+------+---------------------+------+------+--------+
| empno | ename | job | mgr | hiredate | sal | com | deptno |
+-------+--------+-----------+------+---------------------+------+------+--------+
| 7369 | SMITH | CLERK | 7902 | 1980-12-17 00:00:00 | 800 | NULL | 20 |
| 7499 | ALLEN | SALESMAN | 7698 | 1981-02-20 00:00:00 | 1600 | 300 | 30 |
| 7521 | WARD | SALESMAN | 7698 | 1981-02-22 00:00:00 | 1250 | 500 | 30 |
| 7566 | JONES | MANAGER | 7839 | 1981-04-02 00:00:00 | 2975 | NULL | 20 |
| 7654 | MARTIN | SALESMAN | 7698 | 1981-09-28 00:00:00 | 1250 | 1400 | 30 |
| 7698 | BLAKE | MANAGER | 7839 | 1981-05-01 00:00:00 | 2850 | NULL | 30 |
| 7782 | CLARK | MANAGER | 7839 | 1981-06-09 00:00:00 | 2450 | NULL | 10 |
| 7788 | SCOTT | ANALYST | 7566 | 1987-07-13 00:00:00 | 3000 | NULL | 20 |
| 7839 | KING | PRESIDENT | NULL | 1981-11-17 00:00:00 | 5000 | NULL | 10 |
| 7844 | TURNER | SALESMAN | 7698 | 1981-09-08 00:00:00 | 1500 | 0 | 30 |
| 7876 | ADAMS | CLERK | 7788 | 1987-07-13 00:00:00 | 1100 | NULL | 20 |
| 7900 | JAMES | CLERK | 7698 | 1981-12-03 00:00:00 | 950 | NULL | 30 |
| 7902 | FORD | ANALYST | 7566 | 1981-12-03 00:00:00 | 3000 | NULL | 20 |
| 7934 | MILLER | CLERK | 7782 | 1982-01-23 00:00:00 | 1300 | NULL | 10 |
+-------+--------+-----------+------+---------------------+------+------+--------+
14 rows in set (0.03 sec)
使用notee命令来关闭日志记录
mysql> notee
Outfile disabled.
查看生成的日志
[root@localhost fire]# cat /tmp/20160908.log
mysql> show databases;
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 4
Current database: test
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.01 sec)
mysql> use test
Database changed
mysql> show tables;
+--------------------+
| Tables_in_test |
+--------------------+
| ADDSubscribers |
| Subscribers |
| dept |
| emp |
| t10 |
| t2 |
| t5 |
| t50 |
| t7 |
| test |
| tmp_Subscribers_01 |
| tmp_Subscribers_02 |
| tmp_Subscribers_03 |
| version |
+--------------------+
14 rows in set (0.00 sec)
mysql> select * from emp;
+-------+--------+-----------+------+---------------------+------+------+--------+
| empno | ename | job | mgr | hiredate | sal | com | deptno |
+-------+--------+-----------+------+---------------------+------+------+--------+
| 7369 | SMITH | CLERK | 7902 | 1980-12-17 00:00:00 | 800 | NULL | 20 |
| 7499 | ALLEN | SALESMAN | 7698 | 1981-02-20 00:00:00 | 1600 | 300 | 30 |
| 7521 | WARD | SALESMAN | 7698 | 1981-02-22 00:00:00 | 1250 | 500 | 30 |
| 7566 | JONES | MANAGER | 7839 | 1981-04-02 00:00:00 | 2975 | NULL | 20 |
| 7654 | MARTIN | SALESMAN | 7698 | 1981-09-28 00:00:00 | 1250 | 1400 | 30 |
| 7698 | BLAKE | MANAGER | 7839 | 1981-05-01 00:00:00 | 2850 | NULL | 30 |
| 7782 | CLARK | MANAGER | 7839 | 1981-06-09 00:00:00 | 2450 | NULL | 10 |
| 7788 | SCOTT | ANALYST | 7566 | 1987-07-13 00:00:00 | 3000 | NULL | 20 |
| 7839 | KING | PRESIDENT | NULL | 1981-11-17 00:00:00 | 5000 | NULL | 10 |
| 7844 | TURNER | SALESMAN | 7698 | 1981-09-08 00:00:00 | 1500 | 0 | 30 |
| 7876 | ADAMS | CLERK | 7788 | 1987-07-13 00:00:00 | 1100 | NULL | 20 |
| 7900 | JAMES | CLERK | 7698 | 1981-12-03 00:00:00 | 950 | NULL | 30 |
| 7902 | FORD | ANALYST | 7566 | 1981-12-03 00:00:00 | 3000 | NULL | 20 |
| 7934 | MILLER | CLERK | 7782 | 1982-01-23 00:00:00 | 1300 | NULL | 10 |
+-------+--------+-----------+------+---------------------+------+------+--------+
14 rows in set (0.03 sec)
mysql> notee
当调用mysql时，使用--tee参数，可以记录这个登录会话的全部日志。
[root@localhost ~]# mysql -uroot -p --tee=/tmp/20160908_02.log
Logging to file '/tmp/20160908_02.log'
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.6.31-77.0-log Percona Server (GPL), Release 77.0, Revision 5c1061c
Copyright (c) 2009-2016 Percona LLC and/or its affiliates
Copyright (c) 2000, 2016, 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> use test
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select * from test;
+------+-------+
| id | name |
+------+-------+
| 10 | neo |
| 20 | John |
| 30 | Lucy |
| 40 | Larry |
| 50 | Lilly |
+------+-------+
5 rows in set (0.04 sec)查看生成的日志
[root@localhost fire]# cat /tmp/20160908_02.log
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.6.31-77.0-log Percona Server (GPL), Release 77.0, Revision 5c1061c
Copyright (c) 2009-2016 Percona LLC and/or its affiliates
Copyright (c) 2000, 2016, 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> use test
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select * from test;
+------+-------+
| id | name |
+------+-------+
| 10 | neo |
| 20 | John |
| 30 | Lucy |
| 40 | Larry |
| 50 | Lilly |
+------+-------+
5 rows in set (0.04 sec)
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