./mysqlbinlog -v --base64-output=DECODE-ROWS ~/Downloads/tymysql2|grep -A4 'ALTER' >~/Downloads/alter2.text
https://blog.csdn.net/ty5622022/article/details/80801322
mysqlbinlog输出sql
原文：https://www.cnblogs.com/adoontheway/p/9949589.html
