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

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@mac.com> 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@gmail.com> wrote: > >On Mon, Dec 15, 2008 at 9:29 PM, Rob Gould <gouldimg@mac.com> 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 > >