SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002418s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000797s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.001994s ]
SELECT * FROM `fa_course` WHERE ( `id` = 23 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000862s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001782s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 23 [ RunTime:0.000801s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.002040s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 27 [ RunTime:0.000911s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 23 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000705s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 23 AND `unit_id` = 27 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000748s ]
