On Sat, 2006-09-30 at 12:51 -0700, Brian Dunning wrote:
> phpMyAdmin is giving me the following warning:
> PRIMARY and INDEX keys should not both be set for column `referer`
>
> Here is what the table looks like:
> CREATE TABLE `myspacemap_visitors_2` (
>`creation` timestamp NOT NULL default CURRENT_TIMESTAMP on update
> CURRENT_TIMESTAMP,
>`lat` double NOT NULL default '0',
>`lon` double NOT NULL default '0',
>`referer` int(12) NOT NULL default '0',
>PRIMARY KEY (`referer`,`lat`,`lon`),
>KEY `creation` (`creation`,`referer`),
>KEY `referer` (`referer`)
> ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
>
>
> What does this warning mean, and should I do anything about it or
> just ignore it? Everything is working fine.
MySQL is trying to tell you that you've got the same index defined
twice. Since the leftmost column in your primary key is referer, you do
not need it as its own index.
--
Pat Adams
Digital Darkness Promotions
Check out the Dallas Music Wiki http://digitaldarkness.com
signature.asc
Description: This is a digitally signed message part
