SHOW FULL COLUMNS FROM `course` [ RunTime:0.023844s ]
SHOW FULL COLUMNS FROM `lesson` [ RunTime:0.024227s ]
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` = 18 LIMIT 1 [ RunTime:0.023127s ]
SHOW FULL COLUMNS FROM `level` [ RunTime:0.023904s ]
SELECT * FROM `level` WHERE `id` = 7 [ RunTime:0.023062s ]
SELECT `id`,`name`,`type`,`course_id`,`free` FROM `lesson` WHERE `status` = 1 AND `course_id` = 18 ORDER BY `sort`,`id` [ RunTime:0.023027s ]
SELECT * FROM `course` WHERE `cate_id` = 2 LIMIT 6 [ RunTime:0.023044s ]
