SHOW FULL COLUMNS FROM `course` [ RunTime:0.034860s ]
SHOW FULL COLUMNS FROM `lesson` [ RunTime:0.034149s ]
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` = 819 LIMIT 1 [ RunTime:0.032354s ]
SHOW FULL COLUMNS FROM `level` [ RunTime:0.036796s ]
SELECT * FROM `level` WHERE `id` = 3 [ RunTime:0.034259s ]
SELECT `id`,`name`,`type`,`course_id`,`free` FROM `lesson` WHERE `status` = 1 AND `course_id` = 819 ORDER BY `sort`,`id` [ RunTime:0.034681s ]
SELECT * FROM `course` WHERE `cate_id` = 27 LIMIT 6 [ RunTime:0.033066s ]
