MySQL InnoDB：主键总是作为最右列包含在次要索引中……或者不是

Recently during the Swedish MySQL User Group (SMUG), I presented a session dedicated to MySQL InnoDB Primary Keys. I forgot to mention a detail that many people are not aware, but Jeremy Cole...

MySQL InnoDB次要索引中包含主键的最右边列，缺失的列作为隐藏条目添加。次要索引前缀部分包含完整的主键。

InnoDB MySQL 主键次要索引索引隐藏条目