# at 1129 #161225 23:15:38 server id 3773306082 end_log_pos 1197 Query thread_id=1903021 exec_time=0 error_code=0 SET TIMESTAMP=1482678938/*!*/; BEGIN /*!*/; # at 1197 #161225 23:15:38 server id 3773306082 end_log_pos 1245 Table_map: `test`.`user` mapped to number 290 # at 1245 #161225 23:15:38 server id 3773306082 end_log_pos 1352 Write_rows: table id 290 flags: STMT_END_F BINLOG ' muJfWBPiFOjgMAAAAN0EAAAAACIBAAAAAAEABHRlc3QABHVzZXIAAwMPEQMeAAAC muJfWB7iFOjgawAAAEgFAAAAACIBAAAAAAEAAgAD//gBAAAABuWwj+i1tVhK1hH4AgAAAAblsI/p krFYStYg+AMAAAAG5bCP5a2ZWE/onPgEAAAABuWwj+adjlhNeAD4BQAAAAJ0dFhRYJM= '/*!*/; # at 1352 #161225 23:15:38 server id 3773306082 end_log_pos 1379 Xid = 5327954 COMMIT/*!*/;
mysql> show create table test.user\G
*************************** 1. row ***************************
Table: user
Create Table: CREATE TABLE `user` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(10) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8
原始:DELETE FROM `test`.`user` WHERE `id`=1 AND `name`='小赵'; 回滚:INSERT INTO `test`.`user`(`id`, `name`) VALUES (1, '小赵');
原始:INSERT INTO `test`.`user`(`id`, `name`) VALUES (2, '小钱'); 回滚:DELETE FROM `test`.`user` WHERE `id`=2 AND `name`='小钱';
原始:UPDATE `test`.`user` SET `id`=3, `name`='小李' WHERE `id`=3 AND `name`='小孙'; 回滚:UPDATE `test`.`user` SET `id`=3, `name`='小孙' WHERE `id`=3 AND `name`='小李';
shell> git clone https://github.com/danfengcao/binlog2sql.git && cd binlog2sql shell> pip install -r requirements.txt
mysql> select * from user; +----+--------+---------------------+ | id | name | addtime | +----+--------+---------------------+ | 1 | 小赵 | 2013-11-11 00:04:33 | | 2 | 小钱 | 2014-11-11 00:04:48 | | 3 | 小孙 | 2016-11-11 20:25:00 | | 4 | 小李 | 2013-11-11 00:00:00 | ......... +----+--------+---------------------+ 16384 rows in set (0.04 sec)
mysql> delete from user where addtime>'2014-01-01'; Query OK, 16128 rows affected (0.18 sec) mysql> select count(*) from user; +----------+ | count(*) | +----------+ | 261 | +----------+
mysql> show master logs; +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000053 | 168652863 | | mysql-bin.000054 | 504549 | +------------------+-----------+
shell> python binlog2sql/binlog2sql.py -h127.0.0.1 -P3306 -uadmin -p'admin' -dtest -tuser --start-file='mysql-bin.000054' --start-datetime='2016-12-26 11:44:00' --stop-datetime='2016-12-26 11:50:00' > /tmp/raw.sql
raw.sql 输出:
DELETE FROM `test`.`user` WHERE `addtime`='2014-11-11 00:04:48' AND `id`=2 AND `name`='小钱' LIMIT 1; #start 257427 end 265754 time 2016-12-26 11:44:56
DELETE FROM `test`.`user` WHERE `addtime`='2015-11-11 20:25:00' AND `id`=3 AND `name`='小孙' LIMIT 1; #start 257427 end 265754 time 2016-12-26 11:44:56
...
DELETE FROM `test`.`user` WHERE `addtime`='2016-12-14 23:09:07' AND `id`=24530 AND `name`='tt' LIMIT 1; #start 257427 end 504272 time 2016-12-26 11:44:56
INSERT INTO `test`.`user`(`addtime`, `id`, `name`) VALUES ('2016-12-10 00:04:33', 32722, '小王'); #start 504299 end 504522 time 2016-12-26 11:49:42
...
shell> python binlog2sql/binlog2sql.py -h127.0.0.1 -P3306 -uadmin -p'admin' -dtest -tuser --start-file='mysql-bin.000054' --start-position=257427 --stop-position=504272 -B > /tmp/rollback.sql
rollback.sql 输出:
INSERT INTO `test`.`user`(`addtime`, `id`, `name`) VALUES ('2016-12-14 23:09:07', 24530, 'tt'); #start 257427 end 504272 time 2016-12-26 11:44:56
INSERT INTO `test`.`user`(`addtime`, `id`, `name`) VALUES ('2016-12-12 00:00:00', 24529, '小李'); #start 257427 end 504272 time 2016-12-26 11:44:56
...
INSERT INTO `test`.`user`(`addtime`, `id`, `name`) VALUES ('2014-11-11 00:04:48', 2, '小钱'); #start 257427 end 265754 time 2016-12-26 11:44:56
shell> wc -l /tmp/rollback.sql
16128 /tmp/rollback.sql
shell> mysql -h127.0.0.1 -P3306 -uadmin -p'admin' < /tmp/rollback.sql mysql> select count(*) from user; +----------+ | count(*) | +----------+ | 16389 | +----------+
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