SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002144s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000696s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.001644s ]
SELECT * FROM `fa_course` WHERE ( `id` = 17 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000643s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001384s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 17 [ RunTime:0.000615s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.001465s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 21 [ RunTime:0.000714s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 17 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000685s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 17 AND `unit_id` = 21 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000671s ]
