[ DB ] CONNECT:[ UseTime:0.005592s ] mysql:host=rm-2zem7n9463wy062am.mysql.rds.aliyuncs.com;port=3306;dbname=xuexiwang;charset=utf8mb4
[ SQL ] SHOW COLUMNS FROM `model_course` [ RunTime:0.004441s ]
[ SQL ] SELECT `a`.`title`,`b`.`keywords`,`b`.`description` FROM `model_course` `a` INNER JOIN `course` `b` ON `a`.`course_id`=`b`.`id` WHERE `a`.`id` = '20' LIMIT 1 [ RunTime:0.003320s ]
[ SQL ] SELECT `a`.`description`,`b`.`id`,`b`.`title`,`b`.`type`,`b`.`image`,`b`.`pr_guiding`,`b`.`pr_selling`,`b`.`level`,`b`.`views`,`b`.`course_id` FROM `model_course` `b` INNER JOIN `course` `a` ON `a`.`id`=`b`.`course_id` WHERE `b`.`id` = '20' LIMIT 1 [ RunTime:0.003196s ]
[ SQL ] SHOW COLUMNS FROM `course_type` [ RunTime:0.003981s ]
[ SQL ] SELECT `id`,`name` FROM `course_type` WHERE `id` IN (5) [ RunTime:0.003138s ]
[ SQL ] SHOW COLUMNS FROM `course_sections` [ RunTime:0.004001s ]
[ SQL ] SELECT node_type, COUNT(*) as count, SUM(seconds) as total_seconds FROM `course_sections` WHERE `course_id` = 82 GROUP BY `node_type` [ RunTime:0.003255s ]
[ SQL ] UPDATE `model_course` SET `views`=`views`+1 WHERE `id` = 20 [ RunTime:0.003845s ]
[ SQL ] SELECT * FROM `course_sections` WHERE `course_id` = 82 ORDER BY `weigh` ASC LIMIT 120 [ RunTime:0.003259s ]