mysql数据库使用mysqlbinlog命令查看数据操作、主从数据同步记录

mysql主从同步时，由于意外的操作，可能会出现下面的错误：

Could not execute Update_rows event on table confluence.AO_92296B_AORECENTLY_VIEWED; Can't find record in 'AO_92296B_AORECENTLY_VIEWED', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000101, end_log_pos 711518695

或者

Coordinator stopped because there were error(s) in the worker(s). The most recent failure being: Worker 1 failed executing transaction 'ANONYMOUS' at source log mysql-bin.000003, end_log_pos 1271796. See error log and/or performance_schema.replication_applier_status_by_worker table for more details about this failure or others, if any

此时需要查看end_log_pos对应的是什么数据操作，就需要把binlog二进制文件解释成可读的文件。

使用 mysqlbinlog 命令可以解释binlog文件，查询mysql数据库所有数据包括表和字段的操作记录。

binlog文件保存在mysql的data目录中。

mysqlbinlog命令保存的mysql的bin目录中。

进入mysql/bin目录，执行

./mysqlbinlog --no-defaults --base64-output=decode-rows -v /opt/mysql/data/binlog.000003 --result-file=binlog0003.sql

–no-defaults 参数是为了避免出现错误：

unknown variable ‘default-character-set=utf8mb4’

-v 参数可以解释出具体的sql：

SET TIMESTAMP=1706720159/*!*/;
BEGIN
/*!*/;
# at 777
#240201  0:55:59 server id 83  end_log_pos 858 CRC32 0x39a9a35f         Table_map: `scheduler`.`QRTZ_SCHEDULER_STATE` mapped to number 100
# has_generated_invisible_primary_key=0
# at 858
#240201  0:55:59 server id 83  end_log_pos 1044 CRC32 0xb3d174b6        Update_rows: table id 100 flags: STMT_END_F
### UPDATE `scheduler`.`QRTZ_SCHEDULER_STATE`
### WHERE
###   @1='quartz-scheduler'
###   @2='scheduler-b76dd4d4b-46vmr1705301677479'
###   @3=1706720151596
###   @4=7500
### SET
###   @1='quartz-scheduler'
###   @2='scheduler-b76dd4d4b-46vmr1705301677479'
###   @3=1706720159100
###   @4=7500
# at 1044
#240201  0:55:59 server id 83  end_log_pos 1075 CRC32 0x108ff46c        Xid = 226
COMMIT/*!*/;

找到错误信息里对应的end_log_pos，即可找到具体的sql。