MySQL使用binlog2sql闪回误删除数据

查询数据库相关配置参数

root [test]> show global variables like 'binlog%format%';+---------------+-------+| Variable_name | Value |+---------------+-------+| binlog_format | ROW   |+---------------+-------+1 row in set (0.00 sec)root [test]> show global variables like 'binlog%row%image%';+------------------+-------+| Variable_name    | Value |+------------------+-------+| binlog_row_image | FULL  |+------------------+-------+1 row in set (0.00 sec)root [test]> show global variables like '%log%bin%';+----------------------------------+-----------------------------------------------+| Variable_name                    | Value                                         |+----------------------------------+-----------------------------------------------+| log_bin                          | ON                                            || log_bin_basename                 | /data1/mysql_log_23306/binlog/mysql-bin       || log_bin_index                    | /data1/mysql_log_23306/binlog/mysql-bin.index || log_bin_trust_function_creators  | ON                                            || log_bin_use_v1_row_events        | OFF                                           || log_statements_unsafe_for_binlog | ON                                            |+----------------------------------+-----------------------------------------------+6 rows in set (0.01 sec)

安装binlog2sql

正克隆到 'binlog2sql'...remote: Counting objects: 298, done.remote: Compressing objects: 100% (4/4), done.remote: Total 298 (delta 0), reused 1 (delta 0), pack-reused 294接收对象中: 100% (298/298), 147.01 KiB | 49.00 KiB/s, done.处理 delta 中: 100% (151/151), done.[root@mysql-server binlog2sql]# source ../venv4archer/bin/activate(venv4archer) [root@mysql-server binlog2sql]# pip install -r requirements.txtRequirement already satisfied: PyMySQL==0.7.11 in /data1/venv4archer/lib/python3.6/site-packages (from -r requirements.txt (line 1)) (0.7.11)Collecting wheel==0.29.0 (from -r requirements.txt (line 2))  Cache entry deserialization failed, entry ignored  Downloading https://files.pythonhosted.org/packages/8a/e9/8468cd68b582b06ef554be0b96b59f59779627131aad48f8a5bce4b13450/wheel-0.29.0-py2.py3-none-any.whl (66kB)    100% |████████████████████████████████| 71kB 103kB/s Collecting mysql-replication==0.13 (from -r requirements.txt (line 3))  Downloading https://files.pythonhosted.org/packages/dd/23/384047702e694139e9fe75a8ba7ad007e8942fd119ebadabc32ce19f70f2/mysql-replication-0.13.tar.gzBuilding wheels for collected packages: mysql-replication  Running setup.py bdist_wheel for mysql-replication ... done  Stored in directory: /root/.cache/pip/wheels/91/33/05/32b16ccadd4fc566ff38af96afdeb5d57d49c2f1eff0402164Successfully built mysql-replicationInstalling collected packages: wheel, mysql-replication  Found existing installation: wheel 0.31.1    Uninstalling wheel-0.31.1:      Successfully uninstalled wheel-0.31.1Successfully installed mysql-replication-0.13 wheel-0.29.0

创建测试数据，并执行误删除

root [(none)]> flush logs;Query OK, 0 rows affected (0.00 sec)root [(none)]> use testDatabase changedroot [test]> create table user(id int(12) unsigned auto_increment comment 'id' primary key, name varchar(15), add_time timestamp);Query OK, 0 rows affected (0.01 sec)root [test]> insert into user(name, add_time) values('neo', '2018-09-01'), ('trinity', '2018-09-02'), ('jason', '2018-09-05');Query OK, 3 rows affected (0.00 sec)Records: 3  Duplicates: 0  Warnings: 0root [test]> delete from user where add_time < '2018-09-05';Query OK, 2 rows affected (0.01 sec)

查看二进制日志文件

root [test]> show binary logs;+------------------+-----------+| Log_name         | File_size |+------------------+-----------+| mysql-bin.000002 |      2236 || mysql-bin.000003 |       201 || mysql-bin.000004 |      1218 |+------------------+-----------+3 rows in set (0.00 sec)

解析出标准SQL

(venv4archer) [root@mysql-server binlog2sql]# python binlog2sql/binlog2sql.py -uroot -p'root' -h 127.0.0.1 -P 23306 -dtest -tuser --start-file='mysql-bin.000004' --start-datetime='2018-09-14 17:00:00' --stop-datetime='2018-09-14 18:25:00' > /tmp/20180914_raw.sql(venv4archer) [root@mysql-server binlog2sql]# cat /tmp/20180914_raw.sqlUSE b'test';create table user(id int(12) unsigned auto_increment comment 'id' primary key, name varchar(15), add_time timestamp);INSERT INTO `test`.`user`(`id`, `name`, `add_time`) VALUES (1, 'neo', '2018-09-01 00:00:00'); #start 411 end 824 time 2018-09-14 18:22:33INSERT INTO `test`.`user`(`id`, `name`, `add_time`) VALUES (2, 'trinity', '2018-09-02 00:00:00'); #start 411 end 824 time 2018-09-14 18:22:33INSERT INTO `test`.`user`(`id`, `name`, `add_time`) VALUES (3, 'jason', '2018-09-05 00:00:00'); #start 411 end 824 time 2018-09-14 18:22:33DELETE FROM `test`.`user` WHERE `id`=1 AND `name`='neo' AND `add_time`='2018-09-01 00:00:00' LIMIT 1; #start 855 end 1187 time 2018-09-14 18:23:31DELETE FROM `test`.`user` WHERE `id`=2 AND `name`='trinity' AND `add_time`='2018-09-02 00:00:00' LIMIT 1; #start 855 end 1187 time 2018-09-14 18:23:31

解析出回滚SQL

(venv4archer) [root@mysql-server binlog2sql]# python binlog2sql/binlog2sql.py -uroot -p'root' -h 127.0.0.1 -P 23306 -dtest -tuser --start-file='mysql-bin.000004' --start-datetime='2018-09-14 17:00:00' --stop-datetime='2018-09-14 18:25:00' -B > /tmp/20180914_rollback.sql (venv4archer) [root@mysql-server binlog2sql]# cat //tmp/20180914_rollback.sql INSERT INTO `test`.`user`(`id`, `name`, `add_time`) VALUES (2, 'trinity', '2018-09-02 00:00:00'); #start 855 end 1187 time 2018-09-14 18:23:31INSERT INTO `test`.`user`(`id`, `name`, `add_time`) VALUES (1, 'neo', '2018-09-01 00:00:00'); #start 855 end 1187 time 2018-09-14 18:23:31DELETE FROM `test`.`user` WHERE `id`=3 AND `name`='jason' AND `add_time`='2018-09-05 00:00:00' LIMIT 1; #start 411 end 824 time 2018-09-14 18:22:33DELETE FROM `test`.`user` WHERE `id`=2 AND `name`='trinity' AND `add_time`='2018-09-02 00:00:00' LIMIT 1; #start 411 end 824 time 2018-09-14 18:22:33DELETE FROM `test`.`user` WHERE `id`=1 AND `name`='neo' AND `add_time`='2018-09-01 00:00:00' LIMIT 1; #start 411 end 824 time 2018-09-14 18:22:33