SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002734s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000857s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.001833s ]
SELECT * FROM `fa_course` WHERE ( `id` = 18 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000831s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001643s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 18 [ RunTime:0.000738s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.001723s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 22 [ RunTime:0.000835s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 18 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000618s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 18 AND `unit_id` = 22 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000692s ]
