解析MySQLbinlog--（1）大致结构及eventtype

1、简介

成都创新互联公司于2013年成立，是专业互联网技术服务公司，拥有项目成都网站设计、成都网站制作网站策划，项目实施与项目整合能力。我们以让每一个梦想脱颖而出为使命，1280元灵川做网站,已为上家服务,为灵川各地企业和个人服务,联系电话:18982081108

binlog以事件的形式记录数据库变更情况。通过执行show binlog events in "binlog file"命令可以查看事件

MySQL> show binlog events in "mysql-bin.000002";  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
| Log_name         | Pos | Event_type  | Server_id | End_log_pos | Info                                        |  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
| mysql-bin.000002 |   4 | Format_desc |        11 |         120 | Server ver: 5.6.26-debug-log, Binlog ver: 4 |  
| mysql-bin.000002 | 120 | Query       |        11 |         191 | BEGIN                                       |  
| mysql-bin.000002 | 191 | Table_map   |        11 |         236 | table_id: 70 (yzs.t1)                       |  
| mysql-bin.000002 | 236 | Write_rows  |        11 |         280 | table_id: 70 flags: STMT_END_F              |  
| mysql-bin.000002 | 280 | Xid         |        11 |         311 | COMMIT /* xid=9 */                          |  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
5 rows in set (0.00 sec)

mysql> show binlog events in "mysql-bin.000001";  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
| Log_name         | Pos | Event_type  | Server_id | End_log_pos | Info                                        |  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
| mysql-bin.000001 |   4 | Format_desc |        11 |         120 | Server ver: 5.6.26-debug-log, Binlog ver: 4 |  
| mysql-bin.000001 | 120 | Query       |        11 |         197 | BEGIN                                       |  
| mysql-bin.000001 | 197 | Query       |        11 |         294 | use `yzs`; insert into t1 select 2,2        |  
| mysql-bin.000001 | 294 | Xid         |        11 |         325 | COMMIT /* xid=9 */                          |  
| mysql-bin.000001 | 325 | Stop        |        11 |         348 |                                             |  
+------------------+-----+-------------+-----------+-------------+---------------------------------------------+  
5 rows in set (0.00 sec)

2、binlog事件格式及类型
解析MySQL binlog --（1）大致结构及event type
分为2部分，事件头和事件体。事件头包括：