为何binlog中QUERY_EVENT的status_var如此神秘？
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所以说 我们能够说这是一个“双沉重加密”过程，需要先解码 Header， 嗐... 再解码 StatusVar。)
6️⃣ ：掌握 status_var 就是掌握数据库“心跳”信号 📊✨
The first time I stumbled upon a mysterious status_var entry in a production environment was during an emergency rollback investigation at midnight—an hour when even coffee seemed too bitter to taste. I opened corresponding binlog file with mysqlbinlog --verbose --base64-output=decode-rows -v mysql-bin.000123 | less -R -X +G +F -S +Z +Fq+, scrolled past rows of INSERT statements, and suddenly spotted an unexpected flag sequence:，补救一下。
所以说 我们能够说这是一个“双沉重加密”过程，需要先解码 Header， 嗐... 再解码 StatusVar。)
6️⃣ ：掌握 status_var 就是掌握数据库“心跳”信号 📊✨
The first time I stumbled upon a mysterious status_var entry in a production environment was during an emergency rollback investigation at midnight—an hour when even coffee seemed too bitter to taste. I opened corresponding binlog file with mysqlbinlog --verbose --base64-output=decode-rows -v mysql-bin.000123 | less -R -X +G +F -S +Z +Fq+, scrolled past rows of INSERT statements, and suddenly spotted an unexpected flag sequence:，补救一下。