SHOW FULL COLUMNS FROM `course` [ RunTime:0.027048s ]
SHOW FULL COLUMNS FROM `lesson` [ RunTime:0.027414s ]
SELECT *,(SELECT COUNT(*) AS think_count FROM `lesson` `count_table` WHERE `status` = 1 AND ( `count_table`.`course_id` =course.id ) ORDER BY `sort`,`id`) AS `lesson_count` FROM `course` WHERE `id` = 662 LIMIT 1 [ RunTime:0.025677s ]
SHOW FULL COLUMNS FROM `level` [ RunTime:0.027164s ]
SELECT * FROM `level` WHERE `id` = 4 [ RunTime:0.025932s ]
SELECT `id`,`name`,`type`,`course_id`,`free` FROM `lesson` WHERE `status` = 1 AND `course_id` = 662 ORDER BY `sort`,`id` [ RunTime:0.025902s ]
SELECT * FROM `course` WHERE `cate_id` = 23 LIMIT 6 [ RunTime:0.026935s ]
