CREATE TABLE `tb_wubx` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 CREATE TABLE `tb_wubx` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8
insert into tb_wubx(name) values(‘张三'),(‘李四'); insert into tb_wubx(name) values(‘隔壁老王');
truncate table tb_wubx;
insert into tb_wubx(name) values(‘老赵'); update tb_wubx set name='老赵赵' where id=1;
mysql>select * from tb_wubx; +----+-----------+ | id | name | +----+-----------+ | 1 | 老赵赵 | +----+-----------+ 1 row in set (0.00 sec) mysql>select * from tb_wubx; +----+-----------+ | id | name | +----+-----------+ | 1 | 老赵赵 | +----+-----------+ 1 row in set (0.00 sec)
+—-+———–+ | id | name | +—-+———–+ | 1 | 张三 | +—-+———–+ | 2 | 李四 | +—-+———–+ | 3 | 隔壁老王 | +—-+———–+
+—-+———–+ | id | name | +—-+———–+ | 1 | 张三 | +—-+———–+ | 2 | 李四 | +—-+———–+ | 3 | 隔壁老王 | +—-+———–+ | 4 | 老赵赵 | +—-+———–+
mysql> show binary logs; +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000001 | 143 | | mysql-bin.000002 | 261 | | mysql-bin.000003 | 562 | | mysql-bin.000004 | 1144 | +------------------+-----------+ 4 rows in set (0.00 sec) mysql> show binary logs; +------------------+-----------+ | Log_name | File_size | +------------------+-----------+ | mysql-bin.000001 | 143 | | mysql-bin.000002 | 261 | | mysql-bin.000003 | 562 | | mysql-bin.000004 | 1144 | +------------------+-----------+ 4 rows in set (0.00 sec)
mysql>show binlog events in 'mysql-bin.000004'; +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ | Log_name | Pos | Event_type | Server_id | End_log_pos | Info | +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ | mysql-bin.000004 | 4 | Format_desc | 753306 | 120 | Server ver: 5.6.16-64.2-rel64.2-log, Binlog ver: 4 | | mysql-bin.000004 | 120 | Query | 753306 | 209 | use `wubx`; truncate table tb_wubx | | mysql-bin.000004 | 209 | Query | 753306 | 281 | BEGIN | | mysql-bin.000004 | 281 | Table_map | 753306 | 334 | table_id: 91 (wubx.tb_wubx) | | mysql-bin.000004 | 334 | Write_rows | 753306 | 393 | table_id: 91 flags: STMT_END_F | | mysql-bin.000004 | 393 | Xid | 753306 | 424 | COMMIT /* xid=1073 */ | | mysql-bin.000004 | 424 | Query | 753306 | 496 | BEGIN | | mysql-bin.000004 | 496 | Table_map | 753306 | 549 | table_id: 91 (wubx.tb_wubx) | | mysql-bin.000004 | 549 | Write_rows | 753306 | 602 | table_id: 91 flags: STMT_END_F | | mysql-bin.000004 | 602 | Xid | 753306 | 633 | COMMIT /* xid=1074 */ | | mysql-bin.000004 | 633 | Query | 753306 | 722 | use `wubx`; truncate table tb_wubx | | mysql-bin.000004 | 722 | Query | 753306 | 794 | BEGIN | | mysql-bin.000004 | 794 | Table_map | 753306 | 847 | table_id: 92 (wubx.tb_wubx) | | mysql-bin.000004 | 847 | Write_rows | 753306 | 894 | table_id: 92 flags: STMT_END_F | | mysql-bin.000004 | 894 | Xid | 753306 | 925 | COMMIT /* xid=1081 */ | | mysql-bin.000004 | 925 | Query | 753306 | 997 | BEGIN | | mysql-bin.000004 | 997 | Table_map | 753306 | 1050 | table_id: 92 (wubx.tb_wubx) | | mysql-bin.000004 | 1050 | Update_rows | 753306 | 1113 | table_id: 92 flags: STMT_END_F | | mysql-bin.000004 | 1113 | Xid | 753306 | 1144 | COMMIT /* xid=1084 */ | +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ 19 rows in set (0.00 sec) mysql>show binlog events in 'mysql-bin.000004'; +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ | Log_name | Pos | Event_type | Server_id | End_log_pos | Info | +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ | mysql-bin.000004 | 4 | Format_desc | 753306 | 120 | Server ver: 5.6.16-64.2-rel64.2-log, Binlog ver: 4 | | mysql-bin.000004 | 120 | Query | 753306 | 209 | use `wubx`; truncate table tb_wubx | | mysql-bin.000004 | 209 | Query | 753306 | 281 | BEGIN | | mysql-bin.000004 | 281 | Table_map | 753306 | 334 | table_id: 91 (wubx.tb_wubx) | | mysql-bin.000004 | 334 | Write_rows | 753306 | 393 | table_id: 91 flags: STMT_END_F | | mysql-bin.000004 | 393 | Xid | 753306 | 424 | COMMIT /* xid=1073 */ | | mysql-bin.000004 | 424 | Query | 753306 | 496 | BEGIN | | mysql-bin.000004 | 496 | Table_map | 753306 | 549 | table_id: 91 (wubx.tb_wubx) | | mysql-bin.000004 | 549 | Write_rows | 753306 | 602 | table_id: 91 flags: STMT_END_F | | mysql-bin.000004 | 602 | Xid | 753306 | 633 | COMMIT /* xid=1074 */ | | mysql-bin.000004 | 633 | Query | 753306 | 722 | use `wubx`; truncate table tb_wubx | | mysql-bin.000004 | 722 | Query | 753306 | 794 | BEGIN | | mysql-bin.000004 | 794 | Table_map | 753306 | 847 | table_id: 92 (wubx.tb_wubx) | | mysql-bin.000004 | 847 | Write_rows | 753306 | 894 | table_id: 92 flags: STMT_END_F | | mysql-bin.000004 | 894 | Xid | 753306 | 925 | COMMIT /* xid=1081 */ | | mysql-bin.000004 | 925 | Query | 753306 | 997 | BEGIN | | mysql-bin.000004 | 997 | Table_map | 753306 | 1050 | table_id: 92 (wubx.tb_wubx) | | mysql-bin.000004 | 1050 | Update_rows | 753306 | 1113 | table_id: 92 flags: STMT_END_F | | mysql-bin.000004 | 1113 | Xid | 753306 | 1144 | COMMIT /* xid=1084 */ | +------------------+------+-------------+-----------+-------------+----------------------------------------------------+ 19 rows in set (0.00 sec)
mysqlbinlog --rewrite-db='wubx->re_wubx' --start-position=4 --stop-position=633 mysql-bin.000004 |mysql -S /tmp/mysql.sock re_wubx mysqlbinlog --rewrite-db='wubx->re_wubx' --start-position=4 --stop-position=633 mysql-bin.000004 |mysql -S /tmp/mysql.sock re_wubx
mysql -S /tmp/mysql.sock re_wubx; mysql>select count(*) from tb_wubx; +----------+ | count(*) | +----------+ | 3 | +----------+ 1 row in set (0.02 sec) mysql>select * from tb_wubx; +----+--------------+ | id | name | +----+--------------+ | 1 | 张三 | | 2 | 李四 | | 3 | 隔壁老王 | +----+--------------+ 3 rows in set (0.00 sec) mysql>insert into tb_wubx(name) select name from wubx.tb_wubx; Query OK, 1 row affected (0.00 sec) Records: 1 Duplicates: 0 Warnings: 0 mysql> rename table wubx.tb_wubx to wubx.bak_tb_wubx; Query OK, 0 rows affected (0.04 sec) mysql> rename table re_wubx.tb_wubx to wubx.tb_wubx; Query OK, 0 rows affected (0.03 sec) mysql> select * from wubx.tb_wubx; +----+--------------+ | id | name | +----+--------------+ | 1 | 张三 | | 2 | 李四 | | 3 | 隔壁老王 | | 4 | 老赵赵 | +----+--------------+ 4 rows in set (0.00 sec) mysql -S /tmp/mysql.sock re_wubx; mysql>select count(*) from tb_wubx; +----------+ | count(*) | +----------+ | 3 | +----------+ 1 row in set (0.02 sec) mysql>select * from tb_wubx; +----+--------------+ | id | name | +----+--------------+ | 1 | 张三 | | 2 | 李四 | | 3 | 隔壁老王 | +----+--------------+ 3 rows in set (0.00 sec) mysql>insert into tb_wubx(name) select name from wubx.tb_wubx; Query OK, 1 row affected (0.00 sec) Records: 1 Duplicates: 0 Warnings: 0 mysql> rename table wubx.tb_wubx to wubx.bak_tb_wubx; Query OK, 0 rows affected (0.04 sec) mysql> rename table re_wubx.tb_wubx to wubx.tb_wubx; Query OK, 0 rows affected (0.03 sec) mysql> select * from wubx.tb_wubx; +----+--------------+ | id | name | +----+--------------+ | 1 | 张三 | | 2 | 李四 | | 3 | 隔壁老王 | | 4 | 老赵赵 | +----+--------------+ 4 rows in set (0.00 sec)
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