您的位置: 首页  >  IT文章  >  mysqlbinlog 恢复数据到任意时间点 创建表,插入数据. 我想恢复数据到 delete之前 查看位置点 mysqlbinlog查看详细位置 mysqlbinlog 命令把截取的pos点导出sql语句 查看找回数据

mysqlbinlog 恢复数据到任意时间点 创建表,插入数据. 我想恢复数据到 delete之前 查看位置点 mysqlbinlog查看详细位置 mysqlbinlog 命令把截取的pos点导出sql语句 查看找回数据

分类: IT文章 • 2024-02-10 15:26:55

```

mysql> create database binlog;

mysql> create table bt(id int);

mysql> insert into bi values (1);

mysql> insert into bi values (2);

mysql> insert into bi values (3);

mysql> insert into bi values (4);

mysql> delete from bt where id=1; 误删除

mysql> update bt set id=22 where id=2;

mysql> drop table bt;

mysql> drop database binlog;

```

  1. 我想恢复数据到 delete之前

查看当前所有的是哪个binlog

-> ;

+------------------+----------+--------------+------------------+-------------------+

| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |

+------------------+----------+--------------+------------------+-------------------+

| mysql-bin.000006 | 2750 | | | |

+------------------+----------+--------------+------------------+-------------------+

  1. 查看位置点

mysql> show binlog events in "mysql-bin.000006";

+------------------+------+-------------+-----------+-------------+---------------------------------------------------------+

| Log_name | Pos | Event_type | Server_id | End_log_pos | Info |

+------------------+------+-------------+-----------+-------------+---------------------------------------------------------+

| mysql-bin.000006 | 4 | Format_desc | 3307 | 120 | Server ver: 5.6.40-log, Binlog ver: 4 |

| mysql-bin.000006 | 120 | Query | 3307 | 214 | create database tttt |

| mysql-bin.000006 | 214 | Query | 3307 | 314 | create database binlog |

| mysql-bin.000006 | 314 | Query | 3307 | 415 | use `binlog`; create table bt(id int) |

| mysql-bin.000006 | 415 | Query | 3307 | 489 | BEGIN |

| mysql-bin.000006 | 489 | Table_map | 3307 | 536 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 536 | Write_rows | 3307 | 576 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 576 | Xid | 3307 | 607 | COMMIT /* xid=2101 */ |

| mysql-bin.000006 | 607 | Query | 3307 | 681 | BEGIN |

| mysql-bin.000006 | 681 | Table_map | 3307 | 728 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 728 | Write_rows | 3307 | 768 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 768 | Xid | 3307 | 799 | COMMIT /* xid=2102 */ |

| mysql-bin.000006 | 799 | Query | 3307 | 873 | BEGIN |

| mysql-bin.000006 | 873 | Table_map | 3307 | 920 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 920 | Write_rows | 3307 | 960 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 960 | Xid | 3307 | 991 | COMMIT /* xid=2107 */ |

| mysql-bin.000006 | 991 | Query | 3307 | 1065 | BEGIN |

| mysql-bin.000006 | 1065 | Table_map | 3307 | 1112 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 1112 | Write_rows | 3307 | 1152 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 1152 | Xid | 3307 | 1183 | COMMIT /* xid=2108 */ |

| mysql-bin.000006 | 1183 | Query | 3307 | 1257 | BEGIN |

| mysql-bin.000006 | 1257 | Table_map | 3307 | 1304 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 1304 | Delete_rows | 3307 | 1344 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 1344 | Xid | 3307 | 1375 | COMMIT /* xid=2110 */ |

| mysql-bin.000006 | 1375 | Query | 3307 | 1449 | BEGIN |

| mysql-bin.000006 | 1449 | Table_map | 3307 | 1496 | table_id: 211 (binlog.bt) |

| mysql-bin.000006 | 1496 | Update_rows | 3307 | 1542 | table_id: 211 flags: STMT_END_F |

| mysql-bin.000006 | 1542 | Xid | 3307 | 1573 | COMMIT /* xid=2112 */ |

| mysql-bin.000006 | 1573 | Query | 3307 | 1692 | use `binlog`; DROP TABLE `bt` /* generated by server */ |

| mysql-bin.000006 | 1692 | Query | 3307 | 1781 | drop database binlog |

+------------------+------+-------------+-----------+-------------+---------------------------------------------------------+

  1. mysqlbinlog查看详细位置

[root@db01 data]#mysqlbinlog --base64-output=decode-rows -vvv /data/3307/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

#190312 15:55:43 server id 3307 end_log_pos 120 CRC32 0x2ec2b6d5     Start: binlog v 4, server v 5.6.40-log created 190312 15:55:43 at startup

# Warning: this binlog is either in use or was not closed properly.

ROLLBACK/*!*/;

# at 120

#190312 16:49:12 server id 3307 end_log_pos 214 CRC32 0xba00b2bf     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552380552/*!*/;

SET @@session.pseudo_thread_id=23/*!*/;

SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=0, @@session.unique_checks=1, @@session.autocommit=1/*!*/;

SET @@session.sql_mode=1073741824/*!*/;

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/*!*/;

create database tttt

/*!*/;

# at 214

#190312 17:18:59 server id 3307 end_log_pos 314 CRC32 0xd2cf5a58     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382339/*!*/;

create database binlog

/*!*/;

# at 314

#190312 17:19:51 server id 3307 end_log_pos 415 CRC32 0x96788f47     Query    thread_id=23    exec_time=0    error_code=0

use `binlog`/*!*/;

SET TIMESTAMP=1552382391/*!*/;

create table bt(id int)

/*!*/;

# at 415

#190312 17:20:40 server id 3307 end_log_pos 489 CRC32 0x16fe37e6     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382440/*!*/;

BEGIN

/*!*/;

# at 489

#190312 17:20:40 server id 3307 end_log_pos 536 CRC32 0xcb39e953     Table_map: `binlog`.`bt` mapped to number 211

# at 536

#190312 17:20:40 server id 3307 end_log_pos 576 CRC32 0xc8238a32     Write_rows: table id 211 flags: STMT_END_F

### INSERT INTO `binlog`.`bt`

### SET

### @1=1 /* INT meta=0 nullable=1 is_null=0 */

# at 576

#190312 17:20:40 server id 3307 end_log_pos 607 CRC32 0x0688157a     Xid = 2101

COMMIT/*!*/;

# at 607

#190312 17:20:46 server id 3307 end_log_pos 681 CRC32 0xa06512e1     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382446/*!*/;

BEGIN

/*!*/;

# at 681

#190312 17:20:46 server id 3307 end_log_pos 728 CRC32 0xab62c3d3     Table_map: `binlog`.`bt` mapped to number 211

# at 728

#190312 17:20:46 server id 3307 end_log_pos 768 CRC32 0x01b4afd0     Write_rows: table id 211 flags: STMT_END_F

### INSERT INTO `binlog`.`bt`

### SET

### @1=2 /* INT meta=0 nullable=1 is_null=0 */

# at 768

#190312 17:20:46 server id 3307 end_log_pos 799 CRC32 0xa871612a     Xid = 2102

COMMIT/*!*/;

# at 799

#190312 17:21:52 server id 3307 end_log_pos 873 CRC32 0x058d258b     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382512/*!*/;

BEGIN

/*!*/;

# at 873

#190312 17:21:52 server id 3307 end_log_pos 920 CRC32 0xcbf9b0d7     Table_map: `binlog`.`bt` mapped to number 211

# at 920

#190312 17:21:52 server id 3307 end_log_pos 960 CRC32 0x308c7764     Write_rows: table id 211 flags: STMT_END_F

### INSERT INTO `binlog`.`bt`

### SET

### @1=3 /* INT meta=0 nullable=1 is_null=0 */

# at 960

#190312 17:21:52 server id 3307 end_log_pos 991 CRC32 0x1fd35a76     Xid = 2107

COMMIT/*!*/;

# at 991

#190312 17:21:57 server id 3307 end_log_pos 1065 CRC32 0x2ee8076d     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382517/*!*/;

BEGIN

/*!*/;

# at 1065

#190312 17:21:57 server id 3307 end_log_pos 1112 CRC32 0x90f088e7     Table_map: `binlog`.`bt` mapped to number 211

# at 1112

#190312 17:21:57 server id 3307 end_log_pos 1152 CRC32 0x6068e4af     Write_rows: table id 211 flags: STMT_END_F

### INSERT INTO `binlog`.`bt`

### SET

### @1=4 /* INT meta=0 nullable=1 is_null=0 */

# at 1152

#190312 17:21:57 server id 3307 end_log_pos 1183 CRC32 0x2611d2c2     Xid = 2108

COMMIT/*!*/;

# at 1183

#190312 17:22:35 server id 3307 end_log_pos 1257 CRC32 0x3945a6f3     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382555/*!*/;

BEGIN

/*!*/;

# at 1257

#190312 17:22:35 server id 3307 end_log_pos 1304 CRC32 0xbd963afc     Table_map: `binlog`.`bt` mapped to number 211

# at 1304 1304这个删除事件

#190312 17:22:35 server id 3307 end_log_pos 1344 CRC32 0x5004ca84     Delete_rows: table id 211 flags: STMT_END_F

### DELETE FROM `binlog`.`bt`

### WHERE

### @1=1 /* INT meta=0 nullable=1 is_null=0 */

# at 1344

#190312 17:22:35 server id 3307 end_log_pos 1375 CRC32 0x1bf962db     Xid = 2110

COMMIT/*!*/;

# at 1375

#190312 17:23:04 server id 3307 end_log_pos 1449 CRC32 0xa4635773     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382584/*!*/;

BEGIN

/*!*/;

# at 1449

#190312 17:23:04 server id 3307 end_log_pos 1496 CRC32 0xd2a3c907     Table_map: `binlog`.`bt` mapped to number 211

# at 1496

#190312 17:23:04 server id 3307 end_log_pos 1542 CRC32 0x1138be7d     Update_rows: table id 211 flags: STMT_END_F

### UPDATE `binlog`.`bt`

### WHERE

### @1=2 /* INT meta=0 nullable=1 is_null=0 */

### SET

### @1=22 /* INT meta=0 nullable=1 is_null=0 */

# at 1542

#190312 17:23:04 server id 3307 end_log_pos 1573 CRC32 0x28cc9f00     Xid = 2112

COMMIT/*!*/;

# at 1573

#190312 17:23:35 server id 3307 end_log_pos 1692 CRC32 0x31a3bbb9     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382615/*!*/;

DROP TABLE `bt` /* generated by server */

/*!*/;

# at 1692

#190312 17:23:49 server id 3307 end_log_pos 1781 CRC32 0xe889af93     Query    thread_id=23    exec_time=0    error_code=0

SET TIMESTAMP=1552382629/*!*/;

drop database binlog

/*!*/;

DELIMITER ;

# End of log file

ROLLBACK /* added by mysqlbinlog */;

/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;

/*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;

  1. mysqlbinlog 命令把截取的pos点导出sql语句

[root@db01 data]#mysqlbinlog --start-position=214 --stop-position=1257 /data/3307/mysql-bin.000006 > /tmp/binlog.sql

进库导入binlog.sql

> mysql source /tmp/binlog.sql

  1. 查看找回数据

mysql> show tables

+------------------+

| Tables_in_binlog |

+------------------+

| bt |

+------------------+

1 row in set (0.00 sec)

 

mysql> select * from bt;

+------+

| id |

+------+

| 1 |

| 2 |

| 3 |

| 4 |

+------+

4 rows in set (0.00 sec)

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