Re: Making field concat of autoincrement column and othervalues?

[Leif K-Brooks <eurleif@buyer-brokerage.com>]

I'm trying to make a customised session system (I could use PHP's 
built-in one, but I need a lot more control than it offers).  I could 
use the autoincremented id in a cookie, but it would be easy for a 
hacker to change the cookie to gain access to others' data.

John W. Holmes wrote:

> > I could concat when selecting, but it will be used in the where clause
> > (it is neccesary to do it like this, I'm also md5ing it but forgot to
> > mention that), and I'm guessing it would be bad for the server to have
> > to concat and md5 in the where clause.
> >    
> Yeah, I guess so. This all begs the questions though of why you're doing
> all of this in the first place...
>
> ---John Holmes... 
>
>
>  
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