表的schema:
DROP TABLE IF EXISTS `uchome`.`uchome_blog`;
CREATE TABLE `uchome`.`uchome_blog` (
`blogid` mediumint(8) unsigned NOT NULL auto_increment,
`uid` mediumint(8) unsigned NOT NULL default '0',
`username` char(15) NOT NULL default '',
`subject` char(80) NOT NULL default '',
`classid` smallint(6) unsigned NOT NULL default '0',
`viewnum` mediumint(8) unsigned NOT NULL default '0',
`replynum` mediumint(8) unsigned NOT NULL default '0',
`dateline` int(10) unsigned NOT NULL default '0',
`pic` char(120) NOT NULL default '',
`picflag` tinyint(1) NOT NULL default '0',
`noreply` tinyint(1) NOT NULL default '0',
`friend` tinyint(1) NOT NULL default '0',
`password` char(10) NOT NULL default '',
`tracenum` mediumint(8) unsigned NOT NULL default '0',
PRIMARY KEY (`blogid`),
KEY `uid` (`uid`,`dateline`),
KEY `friend` (`friend`,`dateline`),
KEY `dateline` (`dateline`)
) ENGINE=MyISAM AUTO_INCREMENT=68096 DEFAULT CHARSET=gbk;