SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002171s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000852s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.002201s ]
SELECT * FROM `fa_course` WHERE ( `id` = 21 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000778s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001896s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 21 [ RunTime:0.000685s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.001920s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 25 [ RunTime:0.000809s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 21 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000697s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 21 AND `unit_id` = 25 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000753s ]
