On 15 Nov 2001, at 21:59, Carsten H. Pedersen wrote: > > PRIMARY KEY > > (`collection_id`,`document_id`,`tcml_field_id`,`order_number`), > > KEY `collection_field_value` > > (`collection_id`,`tcml_field_id`,`value`(12)), > > KEY `value` (`value`(12)), > > KEY `resource_id` (`resource_id`) > > ) TYPE=MyISAM > > <cut> > > MySQL can't make use of the PRIMARY KEY -- as the document_id > part breaks any chance MySQL has of using the indexed > collection_id-tcml_field_id relation. Try either adding a > new index on just collection_id, tcml_field_id (and maybe > value), or simply re-define your PRIMARY KEY so that those > two fields make up the first part of the key.
Thanks for the response, but I think you missed the key collection_field_value right under the primary key above. That's what you're suggesting adding, but I've already got it. -- Keith C. Ivey <[EMAIL PROTECTED]> Washington, DC --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php