; > -Original Message-
> > From: Rick James
> > Sent: Wednesday, January 30, 2013 1:08 PM
> > To: 'Jeremy Chase'; mysql@lists.mysql.com
> > Subject: RE: InnoDB interaction between secondary and primary keys.
> >
> > secondarykey and r
ql@lists.mysql.com
> Subject: RE: InnoDB interaction between secondary and primary keys.
>
> secondarykey and redundantkey are redundant with each other -- in all
> versions of InnoDB.
>
> One "expert" said that redundant key would have two copies of `1`,`2`.
> I think h
secondarykey and redundantkey are redundant with each other -- in all versions
of InnoDB.
One "expert" said that redundant key would have two copies of `1`,`2`. I think
he is wrong. I believe the two are the same in size.
There is a subtle change in 5.6 that _may_ make a _few_ queries work be
