binindex Posted September 23, 2007 Share Posted September 23, 2007 Here is the query I am currently using. It seems to take forever. It keeps wanting to use filesort and a temporary can anyone plz help me. I will send the creates for both tables. select collections.`id`,collections.`subject`,collections.`numfiles`,collections.`groups`, collections.`size`,collections.`from`,collections.`date`,collections.`nfo` FROM temp.collections,temp.nfo where match (nfo.nfo) against ('$searchterm' in boolean mode) and nfo.cid = collections.id order by `date` desc limit 0,50 CREATE TABLE `nfo` ( `id` mediumint(6) unsigned NOT NULL auto_increment, `cid` int(10) unsigned NOT NULL, `fid` int(10) unsigned NOT NULL, `nfo` mediumtext NOT NULL, `filename` varchar(200) NOT NULL, PRIMARY KEY (`id`), KEY `cid` (`cid`), KEY `fid` (`fid`), FULLTEXT KEY `nfo` (`nfo`) ) ENGINE=MyISAM AUTO_INCREMENT=152507 DEFAULT CHARSET=latin1 CREATE TABLE `collections` ( `id` int(10) unsigned NOT NULL auto_increment, `subject` text NOT NULL, `filename` text NOT NULL, `numfiles` smallint(4) unsigned NOT NULL default '0', `groups` text NOT NULL, `partids` mediumtext NOT NULL, `size` bigint(20) unsigned NOT NULL default '0', `from` tinytext NOT NULL, `date` int(10) unsigned NOT NULL default '0', `group1` smallint(4) unsigned NOT NULL, `group2` smallint(4) unsigned default NULL, `group3` smallint(4) unsigned default NULL, `group4` smallint(4) unsigned default NULL, `group5` smallint(4) unsigned default NULL, `nfo` int(10) unsigned NOT NULL default '0', PRIMARY KEY (`id`), UNIQUE KEY `filename_U` (`filename`(255)), KEY `from` (`from`(50)), KEY `date` (`date`), KEY `Size` (`size`), KEY `nfo` (`nfo`), KEY `groupindex` USING BTREE (`group1`,`group2`,`group3`,`group4`,`group5`), FULLTEXT KEY `Subject_full` (`subject`) ) ENGINE=MyISAM AUTO_INCREMENT=1865103 DEFAULT CHARSET=latin1 MIN_ROWS=100000 MAX_ROWS=2500000 AVG_ROW_LENGTH=500 Quote Link to comment https://forums.phpfreaks.com/topic/70307-i-need-help-optimizing-this-join/ Share on other sites More sharing options...
effigy Posted September 23, 2007 Share Posted September 23, 2007 Post an EXPLAIN SELECT... Quote Link to comment https://forums.phpfreaks.com/topic/70307-i-need-help-optimizing-this-join/#findComment-353232 Share on other sites More sharing options...
binindex Posted September 23, 2007 Author Share Posted September 23, 2007 1, 'SIMPLE', 'nfo', 'fulltext', 'cid,nfo', 'nfo', '0', '', 1, 'Using where; Using temporary; Using filesort' 1, 'SIMPLE', 'collections', 'eq_ref', 'PRIMARY', 'PRIMARY', '4', 'temp.nfo.cid', 1, '' Quote Link to comment https://forums.phpfreaks.com/topic/70307-i-need-help-optimizing-this-join/#findComment-353239 Share on other sites More sharing options...
fenway Posted September 24, 2007 Share Posted September 24, 2007 It can't use both indexes.... Quote Link to comment https://forums.phpfreaks.com/topic/70307-i-need-help-optimizing-this-join/#findComment-354110 Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.