SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002627s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000842s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.002154s ]
SELECT * FROM `fa_course` WHERE ( `id` = 20 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000900s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001616s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 20 [ RunTime:0.000806s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.002065s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 24 [ RunTime:0.000868s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 20 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000714s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 20 AND `unit_id` = 24 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000704s ]
