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目录

第一步 安装 第二步 准备MySQL数据 第三步 测试 进入binlog2sql目录下的binlog2sql下

 

第一步 安装

 

 1.安装MySQL

2.安装Python3

? 1 [root@localhost /]#yum install python3

3.下载binlog2sql文件到本地（文件在百度云盘）

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 [root@localhost /]#mkdir tools [root@localhost /]#cd tools [root@localhost tools]# ll total 317440 -rw-r--r--. 1 root root 317440 Sep 21 23:55 binlog2sql.tar [root@localhost tools]#tar -xvf binlog2sql.tar [root@localhost tools]#cd binlog2sql [root@localhost binlog2sql]# ll total 52 drwxr-xr-x. 3 mysql mysql 91 Jun 13 08:14 binlog2sql drwxr-xr-x. 2 mysql mysql 54 Jun 13 07:45 example -rw-r--r--. 1 mysql mysql 35141 Jun 13 07:45 LICENSE -rw-r--r--. 1 mysql mysql 9514 Jun 13 07:45 README.md -rw-r--r--. 1 mysql mysql 54 Jun 13 07:45 requirements.txt drwxr-xr-x. 2 mysql mysql 37 Jun 13 07:45 tests

4.修改binlog2sql中的requirements.txt，把PyMySQL==0.7.11改为0.9.3,保存退出

? 1 2 3 4 [root@localhost binlog2sql]# vi requirements.txt PyMySQL==0.9.3 wheel==0.29.0 mysql-replication==0.13

5.安装和检查，确保是0.9.3 不然出错

? 1 2 3 4 5 6 7 8 9 10 11 [root@localhost binlog2sql]# pip3 install -r requirements.txt [root@localhost binlog2sql]# pip3 show pymysql Name: PyMySQL Version: 0.9.3 Summary: Pure Python MySQL Driver Home-page: https://github.com/PyMySQL/PyMySQL/ Author: yutaka.matsubara Author-email: yutaka.matsubara@gmail.com License: "MIT" Location: /usr/local/lib/python3.6/site-packages Requires:

 

第二步 准备MySQL数据

 

1.配置文件最好加入安全目录secure-file-priv=/test，重启MySQL

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 [root@localhost /]# mkdir test [root@localhost /]# chown -R mysql.mysql test [root@localhost mysqldata]#vi my.cnf secure-file-priv=/test basedir=/application/mysql datadir=/data/mysql socket=/data/mysqldata/mysql.sock log_error=/data/mysqldata/mysql8.0.err port=3306 server_id=6 secure-file-priv=/test autocommit=0 log_bin=/data/mysqldata/mysql-bin [root@localhost mysqldata]# systemctl start mysqld

注：每个人都配置文件路径都不一样

2.进入MySQL

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 11 Server version: 8.0.20 MySQL Community Server - GPL   Copyright (c) 2000, 2020, 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 master statusg; +------------------+----------+--------------+------------------+-------------------+ | File  | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set | +------------------+----------+--------------+------------------+-------------------+ | mysql-bin.000001 | 156 |  |   |   | +------------------+----------+--------------+------------------+-------------------+   mysql> create database csdn; mysql> use csdn mysql> insert into t1 values(1),(2),(3),(4),(5),(6),(7),(8); mysql> commit; mysql> update t1 set id=10 where id=1; mysql> delete from t1 where id=3; mysql> commit;

 

第三步 测试 进入binlog2sql目录下的binlog2sql下

 

? 1 2 3 4 5 6 7 8 [root@localhost binlog2sql]# pwd /tools/binlog2sql/binlog2sql [root@localhost binlog2sql]# ll total 24 -rwxr-xr-x. 1 mysql mysql 7747 Jun 13 07:45 binlog2sql.py -rwxr-xr-x. 1 mysql mysql 11581 Jun 13 07:45 binlog2sql_util.py -rw-r--r--. 1 mysql mysql 92 Jun 13 07:45 __init__.py drwxr-xr-x. 2 mysql mysql 44 Jun 13 07:50 __pycache__

2.开始备份库下的表的操作 2.1 查看刚才数据库csdn下的操作

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 [root@localhost binlog2sql]# python3 binlog2sql.py -h 192.168.0.112 -P3306 -uroot -p123 -d csdn -t t1 --start-file='mysql-bin.000001' USE b'csdn'; create database csdn; USE b'csdn'; create table t1 (id int); INSERT INTO `csdn`.`t1`(`id`) VALUES (1); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (2); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (3); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (4); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (5); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (6); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (7); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (8); #start 609 end 807 time 2020-09-25 02:21:21 UPDATE `csdn`.`t1` SET `id`=10 WHERE `id`=1 LIMIT 1; #start 917 end 1095 time 2020-09-25 02:21:39 DELETE FROM `csdn`.`t1` WHERE `id`=3 LIMIT 1; #start 917 end 1183 time 2020-09-25 02:21:48

2.2备份数据库csdn下的操作

? 1 [root@localhost binlog2sql]# python3 binlog2sql.py -h 192.168.0.112 -P3306 -uroot -p123 -d csdn -t t1 --start-file='mysql-bin.000001' >/test/binlog2sql.sql

2.3 查看刚才备份的sql文件

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 [root@localhost binlog2sql]# cat /test/binlog2sql.sql USE b'csdn'; create database csdn; USE b'csdn'; create table t1 (id int); INSERT INTO `csdn`.`t1`(`id`) VALUES (1); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (2); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (3); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (4); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (5); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (6); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (7); #start 609 end 807 time 2020-09-25 02:21:21 INSERT INTO `csdn`.`t1`(`id`) VALUES (8); #start 609 end 807 time 2020-09-25 02:21:21 UPDATE `csdn`.`t1` SET `id`=10 WHERE `id`=1 LIMIT 1; #start 917 end 1095 time 2020-09-25 02:21:39 DELETE FROM `csdn`.`t1` WHERE `id`=3 LIMIT 1; #start 917 end 1183 time 2020-09-25 02:21:48

3.单独查看删除语句

? 1 2 3 4 5 6 [root@localhost binlog2sql]# python3 binlog2sql.py -h 192.168.0.112 -P3306 -uroot -p123 -d csdn -t t1 --start-file='mysql-bin.000001' --sql-type=delete USE b'csdn'; create database csdn; USE b'csdn'; create table t1 (id int); DELETE FROM `csdn`.`t1` WHERE `id`=3 LIMIT 1; #start 917 end 1183 time 2020-09-25 02:21:48

4.把删除语句反转保存到sql文件中，并且查看

? 1 2 3 [root@localhost binlog2sql]# python3 binlog2sql.py -h 192.168.0.112 -P3306 -uroot -p123 -d csdn -t t1 --start-file='mysql-bin.000001' --sql-type=delete --start-position=917 --stop-position=1183 -B >/test/roll.sql [root@localhost binlog2sql]# cat /test/roll.sql INSERT INTO `csdn`.`t1`(`id`) VALUES (3); #start 917 end 1183 time 2020-09-25 02:21:48

5.进入MySQL，恢复被删除的数据

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 mysql> source /test/roll.sql Query OK, 1 row affected (0.00 sec) mysql> select * from t1; +------+ | id | +------+ | 10 | | 2 | | 4 | | 5 | | 6 | | 7 | | 8 | | 3 | +------+ 8 rows in set (0.00 sec)

总结

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原文链接：https://blog.csdn.net/qq_41405678/article/details/108795669