SHOW FULL COLUMNS FROM `city` [ RunTime:0.000766s ]
SELECT * FROM `city` WHERE `cityid` = 83 LIMIT 1 [ RunTime:0.000369s ]
SHOW FULL COLUMNS FROM `classinfo` [ RunTime:0.000588s ]
SELECT `a`.*,`c`.`cityname`,`c`.`contactus`,`u`.`username`,`u`.`nickname` FROM `classinfo` `a` INNER JOIN `city` `c` ON `c`.`cityid`=`a`.`cityid` INNER JOIN `user` `u` ON `u`.`userid`=`a`.`userid` WHERE `a`.`cityid` = '83' AND `a`.`classinfotype` = '14' AND `a`.`infostatus` = '1' AND ( `a`.`updatetime` > '2025-10-04 11:19:52' OR `a`.`toptime` > '2026-01-02 11:19:52' ) ORDER BY `istop` DESC,`a`.`updatetime` DESC LIMIT 0,20 [ RunTime:0.000790s ]
SELECT COUNT(*) AS think_count FROM `classinfo` WHERE `cityid` = 83 AND `classinfotype` = 14 AND `infostatus` = 1 AND ( `updatetime` > '2025-10-04 11:19:52' OR `toptime` > '2026-01-02 11:19:52' ) LIMIT 1 [ RunTime:0.000640s ]