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参数介绍:
参考官网地址:
https://github.com/danfengcao/binlog2sql
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直接从官网下载软件包,照着github上给的方法,虽然可以安装成功,但是执行如下命了报错,由于此工具源代码是是别人所写,目前暂时没找到是代码的哪个地方导致的语法错误。有知道的网友朋友可以友情提醒下,谢谢。
[root@git-server binlog2sql]# python binlog2sql.py -h227.0.0.1 -P3306 -uadmin -p'admin' -dzixun3 -tzx_scores --start-file='MySQL-bin.000006' -B |awk -F '[;]' '{print $1 ";"}'|grep 'INSERT'
File "binlog2sql.py", line 73
with temp_open(tmp_file, "w") as f_tmp, self.connection as cursor:
^
SyntaxError: invalid syntax
[root@git-server binlog2sql]# pwd
/root/binlog2sql
[root@git-server binlog2sql]#
于是采用去年在https://github.com上下载的binlog2sql代码包,安装正常,而且也没有报错。
查看此工具的参数说明介绍请参考:
https://github.com/danfengcao/binlog2sql
于是才有下面的测试:
查看当前的记录到日志的binlog文件
MySQL [zixun3]> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000005
Position: 686
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set:
1 row in set (0.00 sec)
为了方便测试,刷新binlog,生成 新的binlog日志文件来记录mysql的操作的sql
MySQL [zixun3]> flush logs;
Query OK, 0 rows affected (0.07 sec)
MySQL [zixun3]> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000006
Position: 120
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set:
1 row in set (0.00 sec)
MySQL [zixun3]>
MySQL [zixun3]> update zixun3.zx_scores set titles='张三' where id=12;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
MySQL [zixun3]> select * from zx_scores;
+----+--------+------+----------+-----------+
| id | titles | icon | integral | isdefault |
+----+--------+------+----------+-----------+
| 2 | 列兵 | 1 | 0 | 1 |
| 3 | 班长 | 2 | 1000 | 1 |
| 4 | 少尉 | 3 | 2000 | 1 |
| 5 | 中尉 | 4 | 3000 | 1 |
| 6 | 上尉 | 5 | 4000 | 1 |
| 7 | 少校 | 6 | 5000 | 1 |
| 8 | 中校 | 7 | 6000 | 1 |
| 9 | 上校 | 8 | 9000 | 1 |
| 10 | 少将 | 9 | 14000 | 1 |
| 11 | 中将 | 10 | 19000 | 1 |
| 12 | 张三 | 11 | 24000 | 1 |
| 15 | 大将 | 12 | 29000 | 1 |
+----+--------+------+----------+-----------+
12 rows in set (0.00 sec)
python binlog2sql.py -h227.0.0.1 -P3306 -uadmin -p'admin' -dzixun3 -tzx_scores --start-file='mysql-bin.000006' -B|more
UPDATE `zixun3`.`zx_scores` SET `titles`='上将', `integral`=24000, `id`=12, `isdefault`=1, `icon`=11 WHERE `titles`='张三' AND `integral`=24000 AND `id`=12 AND `isdefault`=1 AND `icon`=11 LIM
IT 1; #start 4 end 328 time 2018-05-23 14:55:23
-B参数使用是生成回滚的语句
binlog内容格式简单说明如下:
[root@git-server vhost]# mysqlbinlog --no-defaults --base64-output=decode-rows -v /data/mysql/data/mysql-bin.000006
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
#at 4
#180523 14:51:19 server id 1 end_log_pos 120 CRC32 0xda6d72fe Start: binlog v 4, server v 5.6.36-log created 180523 14:51:19
#Warning: this binlog is either in use or was not closed properly.
#at 120
#180523 14:55:23 server id 1 end_log_pos 194 CRC32 0x84ca9830 Query thread_id=77 exec_time=0 error_code=0
SET TIMESTAMP=1527058523/*!*/;
SET @@session.pseudo_thread_id=77/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
SET @@session.sql_mode=1075838976/*!*/;
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 194
#180523 14:55:23 server id 1 end_log_pos 254 CRC32 0xf289bf8a Table_map: `zixun3`.`zx_scores` mapped to number 70
#at 254
#180523 14:55:23 server id 1 end_log_pos 328 CRC32 0x1f932ec9 Update_rows: table id 70 flags: STMT_END_F
###UPDATE `zixun3`.`zx_scores`
###WHERE
###@1=12
###@2='上将'
###@3=11
###@4=24000
###@5=1
###SET
###@1=12
###@2='张三'
###@3=11
###@4=24000
###@5=1
#at 328
#180523 14:55:23 server id 1 end_log_pos 403 CRC32 0xab4af087 Query thread_id=77 exec_time=0 error_code=0
SET TIMESTAMP=1527058523/*!*/;
COMMIT
/*!*/;
DELIMITER ;
#End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;
基于位置点的恢复:
BEGIN 和COMMIT之间的才是需要回滚的sql语句。回滚的位置点是:194---328
BEGIN
/*!*/;
#at 194
#180523 14:55:23 server id 1 end_log_pos 254 CRC32 0xf289bf8a Table_map: `zixun3`.`zx_scores` mapped to number 70
#at 254
#180523 14:55:23 server id 1 end_log_pos 328 CRC32 0x1f932ec9 Update_rows: table id 70 flags: STMT_END_F
### UPDATE `zixun3`.`zx_scores`
### WHERE
### @1=12
### @2='上将'
### @3=11
### @4=24000
### @5=1
### SET
### @1=12
### @2='张三'
### @3=11
### @4=24000
### @5=1
#at 328
#180523 14:55:23 server id 1 end_log_pos 403 CRC32 0xab4af087 Query thread_id=77 exec_time=0 error_code=0
SET TIMESTAMP=1527058523/*!*/;
COMMIT
/*!*/;
直接登陆MySQL执行 上面的回滚sql语句就可以了
MySQL [zixun3]> delete from zx_scores;
Query OK, 12 rows affected (0.00 sec)
MySQL [zixun3]> select * from zx_scores;
Empty set (0.00 sec)
[root@git-server binlog2sql]# python binlog2sql.py -h227.0.0.1 -P3306 -uadmin -p'admin' -dzixun3 -tzx_scores --start-file='mysql-bin.000006' --start-position=760 --stop-position=1083 -B
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('大将', 29000, 15, 1, 12); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上将', 24000, 12, 1, 11); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中将', 19000, 11, 1, 10); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少将', 14000, 10, 1, 9); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上校', 9000, 9, 1, 8); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中校', 6000, 8, 1, 7); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少校', 5000, 7, 1, 6); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上尉', 4000, 6, 1, 5); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中尉', 3000, 5, 1, 4); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少尉', 2000, 4, 1, 3); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('班长', 1000, 3, 1, 2); #start 760 end 1083 time 2018-05-23 15:35:59
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('列兵', 0, 2, 1, 1); #start 760 end 1083 time 2018-05-23 15:35:59
此sql格式还不能直接用来恢复到数据库中,需要简单的处理下:
[root@git-server binlog2sql]# python binlog2sql.py -h227.0.0.1 -P3306 -uadmin -p'admin' -dzixun3 -tzx_scores --start-file='mysql-bin.000006' --start-position=760 --stop-position=1083 -B|awk -F '[;]' '{print $1 ";"}'
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('大将', 29000, 15, 1, 12);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上将', 24000, 12, 1, 11);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中将', 19000, 11, 1, 10);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少将', 14000, 10, 1, 9);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上校', 9000, 9, 1, 8);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中校', 6000, 8, 1, 7);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少校', 5000, 7, 1, 6);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上尉', 4000, 6, 1, 5);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中尉', 3000, 5, 1, 4);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少尉', 2000, 4, 1, 3);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('班长', 1000, 3, 1, 2);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('列兵', 0, 2, 1, 1);
基于时间点的恢复介绍:
按照时间点提取sql日志说明:误删除sql语句delete from zx_scores;的binlog日志的生成时间点到下一次DML操作 delete from zx_vote ;记录到binlog日志的时间点。这个时间段的时间点才可以找到需要恢复的sql语句
[root@git-server binlog2sql]# python binlog2sql.py -h227.0.0.1 -P3306 -uadmin -p'admin' -dzixun3 -tzx_scores --start-file='mysql-bin.000006' --start-datetime='2018-05-23 15:35:59' --stop-datetime='2018-05-23 16:09:59' -B|awk -F '[;]' '{print $1 ";"}'
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('大将', 29000, 15, 1, 12);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上将', 24000, 12, 1, 11);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中将', 19000, 11, 1, 10);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少将', 14000, 10, 1, 9);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上校', 9000, 9, 1, 8);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中校', 6000, 8, 1, 7);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少校', 5000, 7, 1, 6);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('上尉', 4000, 6, 1, 5);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('中尉', 3000, 5, 1, 4);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('少尉', 2000, 4, 1, 3);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('班长', 1000, 3, 1, 2);
INSERT INTO `zixun3`.`zx_scores`(`titles`, `integral`, `id`, `isdefault`, `icon`) VALUES ('列兵', 0, 2, 1, 1);
直接在mysql中恢复就可以了