容斥原理（Principle of inclusion-exclusion）

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2025年06月27日 37 阅读12分钟

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基本文件流程错误 SQL 调试

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CONNECT:[ UseTime:0.003075s ] mysql:host=127.0.0.1;port=3306;dbname=dimhok;charset=utf8
SHOW FULL COLUMNS FROM `edu_coursetype` [ RunTime:0.003756s ]
SELECT * FROM `edu_coursetype` WHERE ( parent=0 ) ORDER BY `listorder` ASC [ RunTime:0.001330s ]
SELECT * FROM `edu_coursetype` WHERE ( parent='1' ) ORDER BY `listorder` ASC [ RunTime:0.001209s ]
SELECT * FROM `edu_coursetype` WHERE ( parent='2' ) ORDER BY `listorder` ASC [ RunTime:0.001390s ]
SHOW FULL COLUMNS FROM `edu_book` [ RunTime:0.001859s ]
SELECT * FROM `edu_book` WHERE `publish_time` >= 1751007837 [ RunTime:0.001241s ]
SHOW FULL COLUMNS FROM `edu_video_course` [ RunTime:0.001901s ]
SELECT * FROM `edu_video_course` WHERE `addtime` >= 1751007837 [ RunTime:0.001493s ]
SHOW FULL COLUMNS FROM `edu_nav` [ RunTime:0.001867s ]
SELECT * FROM `edu_nav` ORDER BY `sort_order` ASC [ RunTime:0.001295s ]
SHOW FULL COLUMNS FROM `edu_article` [ RunTime:0.002006s ]
UPDATE `edu_article` SET `hits` = `hits` + 1 WHERE `id` = 28 [ RunTime:0.363196s ]
SELECT * FROM `edu_article` WHERE `id` = 28 AND `is_open` = '1' LIMIT 1 [ RunTime:0.001465s ]
SHOW FULL COLUMNS FROM `edu_users` [ RunTime:0.002232s ]
SELECT * FROM `edu_users` WHERE `id` = 2 [ RunTime:0.001245s ]
SHOW FULL COLUMNS FROM `edu_article_theme` [ RunTime:0.001945s ]
SELECT * FROM `edu_article_theme` WHERE `name` = 'dimhok' [ RunTime:0.001403s ]
SHOW FULL COLUMNS FROM `edu_article_category` [ RunTime:0.001404s ]
SELECT * FROM `edu_article_category` ORDER BY `sort` ASC [ RunTime:0.000866s ]
SHOW FULL COLUMNS FROM `edu_article_likes` [ RunTime:0.001414s ]
SELECT * FROM `edu_article_likes` WHERE `article_id` = 28 AND `uid` = 0 LIMIT 1 [ RunTime:0.000865s ]
SHOW FULL COLUMNS FROM `edu_article_comment` [ RunTime:0.002163s ]
SELECT * FROM `edu_article_comment` WHERE `article_id` = 28 AND `c_status` = 1 ORDER BY `createtime` DESC [ RunTime:0.000784s ]
SELECT SUM(`hits`) AS think_sum FROM `edu_article` WHERE `author` = 2 LIMIT 1 [ RunTime:0.001224s ]
SHOW FULL COLUMNS FROM `edu_article_favourite` [ RunTime:0.001870s ]
SELECT * FROM `edu_article_favourite` WHERE `uid` = 0 AND `article_id` = 28 LIMIT 1 [ RunTime:0.000923s ]
SELECT COUNT(*) AS think_count FROM `edu_article_likes` WHERE `article_id` = 28 LIMIT 1 [ RunTime:0.000928s ]
SELECT * FROM `edu_article` WHERE `columnid` = 22 AND `id` <> 28 AND `is_draft` = 0 AND `is_open` = '1' ORDER BY `is_top` DESC,`id` DESC LIMIT 0,10 [ RunTime:0.001497s ]
SHOW FULL COLUMNS FROM `edu_article_tags` [ RunTime:0.002055s ]
SELECT `tag_id` FROM `edu_article_tags` WHERE `article_id` = 28 [ RunTime:0.000869s ]
SELECT * FROM `edu_article_category` WHERE `id` = 26 [ RunTime:0.000713s ]

0.569509s