f(x)与f'(x)之间的奇偶关系

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CONNECT:[ UseTime:0.001804s ] mysql:host=127.0.0.1;port=3306;dbname=dimhok;charset=utf8
SHOW FULL COLUMNS FROM `edu_coursetype` [ RunTime:0.002082s ]
SELECT * FROM `edu_coursetype` WHERE ( parent=0 ) ORDER BY `listorder` ASC [ RunTime:0.000808s ]
SELECT * FROM `edu_coursetype` WHERE ( parent='1' ) ORDER BY `listorder` ASC [ RunTime:0.000907s ]
SELECT * FROM `edu_coursetype` WHERE ( parent='2' ) ORDER BY `listorder` ASC [ RunTime:0.000599s ]
SHOW FULL COLUMNS FROM `edu_book` [ RunTime:0.001478s ]
SELECT * FROM `edu_book` WHERE `publish_time` >= 1748499270 [ RunTime:0.000798s ]
SHOW FULL COLUMNS FROM `edu_video_course` [ RunTime:0.001299s ]
SELECT * FROM `edu_video_course` WHERE `addtime` >= 1748499270 [ RunTime:0.000765s ]
SHOW FULL COLUMNS FROM `edu_nav` [ RunTime:0.001117s ]
SELECT * FROM `edu_nav` ORDER BY `sort_order` ASC [ RunTime:0.000659s ]
SHOW FULL COLUMNS FROM `edu_article` [ RunTime:0.001721s ]
UPDATE `edu_article` SET `hits` = `hits` + 1 WHERE `id` = 6 [ RunTime:0.095041s ]
SELECT * FROM `edu_article` WHERE `id` = 6 AND `is_open` = '1' LIMIT 1 [ RunTime:0.000979s ]
SHOW FULL COLUMNS FROM `edu_users` [ RunTime:0.001719s ]
SELECT * FROM `edu_users` WHERE `id` = 2 [ RunTime:0.001151s ]
SHOW FULL COLUMNS FROM `edu_article_theme` [ RunTime:0.001458s ]
SELECT * FROM `edu_article_theme` WHERE `name` = 'fangxiang' [ RunTime:0.001340s ]
SHOW FULL COLUMNS FROM `edu_article_category` [ RunTime:0.001439s ]
SELECT * FROM `edu_article_category` ORDER BY `sort` ASC [ RunTime:0.000738s ]
SHOW FULL COLUMNS FROM `edu_article_likes` [ RunTime:0.001247s ]
SELECT * FROM `edu_article_likes` WHERE `article_id` = 6 AND `uid` = 0 LIMIT 1 [ RunTime:0.000813s ]
SHOW FULL COLUMNS FROM `edu_article_comment` [ RunTime:0.001349s ]
SELECT * FROM `edu_article_comment` WHERE `article_id` = 6 AND `c_status` = 1 ORDER BY `createtime` DESC [ RunTime:0.000599s ]
SELECT SUM(`hits`) AS think_sum FROM `edu_article` WHERE `author` = 2 LIMIT 1 [ RunTime:0.000715s ]
SHOW FULL COLUMNS FROM `edu_article_favourite` [ RunTime:0.000968s ]
SELECT * FROM `edu_article_favourite` WHERE `uid` = 0 AND `article_id` = 6 LIMIT 1 [ RunTime:0.000645s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 6 LIMIT 1 [ RunTime:0.000738s ]
SELECT * FROM `edu_article` WHERE `columnid` = 1 AND `id` <> 6 AND `is_draft` = 0 AND `is_open` = '1' ORDER BY `is_top` DESC,`id` DESC LIMIT 0,10 [ RunTime:0.001501s ]
SELECT * FROM `edu_users` WHERE `id` = 2 [ RunTime:0.000945s ]
SHOW FULL COLUMNS FROM `edu_article_tags` [ RunTime:0.001371s ]
SELECT `edu_article_category`.*,`pivot`.`id` AS `pivot__id`,`pivot`.`article_id` AS `pivot__article_id`,`pivot`.`tag_id` AS `pivot__tag_id` FROM `edu_article_category` INNER JOIN `edu_article_tags` `pivot` ON `pivot`.`tag_id`=`edu_article_category`.`id` WHERE `pivot`.`article_id` IN ('5','4','3','2') [ RunTime:0.001098s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 5 LIMIT 1 [ RunTime:0.000848s ]
SELECT COUNT(*) AS think_count FROM `edu_article_comment` WHERE `article_id` = 5 LIMIT 1 [ RunTime:0.000643s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 4 LIMIT 1 [ RunTime:0.000810s ]
SELECT COUNT(*) AS think_count FROM `edu_article_comment` WHERE `article_id` = 4 LIMIT 1 [ RunTime:0.000814s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 3 LIMIT 1 [ RunTime:0.001066s ]
SELECT COUNT(*) AS think_count FROM `edu_article_comment` WHERE `article_id` = 3 LIMIT 1 [ RunTime:0.000621s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 2 LIMIT 1 [ RunTime:0.000721s ]
SELECT COUNT(*) AS think_count FROM `edu_article_comment` WHERE `article_id` = 2 LIMIT 1 [ RunTime:0.000514s ]
SELECT `tag_id` FROM `edu_article_tags` WHERE `article_id` = 6 [ RunTime:0.000834s ]
SELECT * FROM `edu_article_category` WHERE `id` = 2 [ RunTime:0.000734s ]

0.246675s