Re: Create unique non-autoincrement key for 700,000 records?

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If i had to guess, it would be the column/field in the table that has the
autoincrement value.
Tim-Hinnerk Heuer

http://www.ihostnz.com


On Tue, Dec 16, 2008 at 5:29 PM, Rob Gould <gouldimg@xxxxxxx> wrote:

>
>
>  update mytable set hash_field = md5(AutoIdField + unix_timestamp())
>
> I _think_ I understand that - - - - but what does the "AutoldField"
> variable mean?
>
>
>
>
>
> On Monday, December 15, 2008, at 09:37PM, "Bastien Koert" <
> phpster@xxxxxxxxx> wrote:
> >On Mon, Dec 15, 2008 at 9:29 PM, Rob Gould <gouldimg@xxxxxxx> wrote:
> >
> >> I have a mySQL database with 700,000 records in it, which are presently
> >> keyed with an "auto-increment" field.
> >>
> >> What I'd like to do is create another field with a field where each and
> >> every record number has a unique keyvalue. Example:  "su5e23vlskd" for
> >> records 1, and "34fdfdsglkdj4" for record 2.  All that matters is that
> it's
> >> unique, and isn't a number that can be guessed or an "autoincrement"
> number,
> >> where a hacker can just figure out the keyvalue by incrementing numbers.
>  It
> >> doesn't matter to me if each keyvalue field is just numbers, or a
> >> number/letter combination - - - all that matters is that each keyvalue
> field
> >> is unique.  Is there an automatic way that mySQL could do that, or would
> I
> >> need to write a php script to somehow go through each record and create
> this
> >> unique value?
> >>
> >>
> >>
> >> --
> >> PHP General Mailing List (http://www.php.net/)
> >> To unsubscribe, visit: http://www.php.net/unsub.php
> >>
> >>
> >update mytable set hash_field = md5(AutoIdField + unix_timestamp())
> >
> >--
> >
> >Bastien
> >
> >Cat, the other other white meat
> >
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

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