参考：

mysql官方的mysqlbinlog没有回滚的功能，淘宝大牛对官方代码进行了修改使之能够将binlog中的DML操作变成互逆的语句，比如delete变为insert，update的set和where的互换。不过注意前提是binlog的格式必须是binlog_format=ROW

另外注意导入回滚数据较多时，需要调整超时时间和最大package的大小：

binlog_format=ROW

max_allowed_packet=1024M

#max_allow_packet大小不够时报错如下：ERROR 1153 (08S01) at line 403133: Got a packet bigger than ‘max_allowed_packet’ bytes

重构代码

有三个版本，测试percona5518版本可以使用5.5.18_flashback_all.diff，mysql官方版本只能使用5.5.18_flashback.diff。

percona5.5.18版本的下载链接：

mysql5.5.18

 

cd mysql-5.5.18/wget http://mysql.taobao.org/images/0/0f/5.5.18_flashback.diffpatch -p0 < 5.5.18_flashback.diff ## 编译成功无报错即可，无特殊编译参数要求

编译完成后，开始测试：

[root@server1 /]# /percona5518/bin/mysqlbinlog --help在说明中多了  -B, --flashback     Flashback data to start_postition or start_datetime.

然后可以用一个binlog文件做测试

mysql> select count(1) from t1;+----------+| count(1) |+----------+|       16 |+----------+1 row in set (0.00 sec)mysql> select * from t1 where id<5;+----+------+------+| id | a    | b    |+----+------+------+|  1 | aaaa | bbbb ||  2 | aaaa | bbbb ||  3 | aaaa | bbbb ||  4 | aaaa | bbbb |+----+------+------+4 rows in set (0.00 sec)mysql> flush logs;Query OK, 0 rows affected (0.11 sec)mysql> show master status \G*************************** 1. row ***************************            File: mysql-bin.000010        Position: 108    Binlog_Do_DB: Binlog_Ignore_DB: 1 row in set (0.00 sec)mysql> update t1 set a='XXXX',b='SSSS' where id<5;Query OK, 4 rows affected (0.04 sec)Rows matched: 4  Changed: 4  Warnings: 0mysql> flush logs;Query OK, 0 rows affected (0.09 sec)

打印出binlog

[root@server1 bin]# ./mysqlbinlog -uroot -p ../data/mysql-bin.000010 -v -v --base64-output=decode-rows Enter password: /*!40019 SET @@session.max_insert_delayed_threads=0*/;/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;DELIMITER /*!*/;# at 4#141204 10:51:29 server id 5598  end_log_pos 108        Start: binlog v 4, server v 5.5.18-log created 141204 10:51:29# at 108#141204 10:52:32 server id 5598  end_log_pos 176        Query   thread_id=13    exec_time=0     error_code=0SET TIMESTAMP=1417661552/*!*/;SET @@session.pseudo_thread_id=13/*!*/;SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1/*!*/;SET @@session.sql_mode=0/*!*/;SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;/*!\C utf8 *//*!*/;SET @@session.character_set_client=33,@@session.collation_connection=33,@@session.collation_server=33/*!*/;SET @@session.lc_time_names=0/*!*/;SET @@session.collation_database=DEFAULT/*!*/;BEGIN/*!*/;# at 176# at 223#141204 10:52:32 server id 5598  end_log_pos 223        Table_map: `test`.`t1` mapped to number 46#141204 10:52:32 server id 5598  end_log_pos 373        Update_rows: table id 46 flags: STMT_END_F### UPDATE test.t1### WHERE###   @1=1 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=1 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=2 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=2 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=3 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=3 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=4 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=4 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */# at 373#141204 10:52:32 server id 5598  end_log_pos 400        Xid = 218COMMIT/*!*/;# at 400#141204 10:52:37 server id 5598  end_log_pos 443        Rotate to mysql-bin.000011  pos: 4DELIMITER ;# End of log fileROLLBACK /* added by mysqlbinlog */;/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;

打印出回滚的binlog

[root@server1 bin]# ./mysqlbinlog -uroot -p ../data/mysql-bin.000010 -v -v --base64-output=decode-rows -BEnter password: /*!40019 SET @@session.max_insert_delayed_threads=0*/;/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;DELIMITER /*!*/;#141204 10:51:29 server id 5598  end_log_pos 108        Start: binlog v 4, server v 5.5.18-log created 141204 10:51:29#141204 10:52:37 server id 5598  end_log_pos 443        Rotate to mysql-bin.000011  pos: 4#141204 10:52:32 server id 5598  end_log_pos 400        Xid = 218COMMIT/*!*/;#141204 10:52:32 server id 5598  end_log_pos 223        Table_map: `test`.`t1` mapped to number 46#141204 10:52:32 server id 5598  end_log_pos 373        Update_rows: table id 46 flags: STMT_END_F### UPDATE test.t1### WHERE###   @1=1 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=1 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=2 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=2 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=3 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=3 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### UPDATE test.t1### WHERE###   @1=4 /* INT meta=0 nullable=0 is_null=0 */###   @2='XXXX' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='SSSS' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */### SET###   @1=4 /* INT meta=0 nullable=0 is_null=0 */###   @2='aaaa' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */###   @3='bbbb' /* VARSTRING(15) meta=15 nullable=1 is_null=0 */DELIMITER ;# End of log fileROLLBACK /* added by mysqlbinlog */;/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;

delete语句的回滚是把delete换成了insert

在导入的时候遇到了问题，导入一直不成功。

[root@server1 bin]# ./mysqlbinlog ../data/mysql-bin.000010 -v -v --base64-output=decode-rows  -B |  ./mysql -uroot -p -S ../tmp/mysql.sock  test没有效果！

后来发现是参数的问题，再试成功了，如果使用mysql官方版本好像除了-B 参数不用带其他参数，如果测试有问题可以增减参数试试。

[root@server1 bin]# ./mysqlbinlog ../data/mysql-bin.000010 -v-v -B |  ./mysql -uroot -p -S ../tmp/mysql.sock  test

另外注意几个比较实用的参数

--start-datetime=name                       Start reading the binlog at first event having a datetime                      equal or posterior to the argument; the argument must be                      a date and time in the local time zone, in any format                      accepted by the MySQL server for DATETIME and TIMESTAMP                      types, for example: 2004-12-25 11:25:56 (you should                      probably use quotes for your shell to set it properly).  -j, --start-position=#                       Start reading the binlog at position N. Applies to the                      first binlog passed on the command line.  --stop-datetime=name                       Stop reading the binlog at first event having a datetime                      equal or posterior to the argument; the argument must be                      a date and time in the local time zone, in any format                      accepted by the MySQL server for DATETIME and TIMESTAMP                      types, for example: 2004-12-25 11:25:56 (you should                      probably use quotes for your shell to set it properly).  --stop-position=#   Stop reading the binlog at position N. Applies to the                      last binlog passed on the command line.  -d, --database=name List entries for just this database (local log only).  -f, --force-read    Force reading unknown binlog events.

恢复一个事务，找到开始和结束的pos位置

[root@server1 bin]# ./mysqlbinlog -v -v ../mysql-bin.000012  --start-position=1680 --stop-position=1971 -B |  ./mysql -uroot -p -S ../tmp/mysql.sock  test

如何能回滚一个binlog中一个表的数据而不影响其他表？如果是一个事务可以使用“--start-position=”和“--stop-position=”，如果不是一个连续的事务呢？

参考：

不过我在5.5的版本中测试不能给库级和表级授权super