简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > Backend Development > PHP Tutorial > body text

求一段mysql的逻辑

WBOY
Release： 2016-06-06 20:15:38
Original
794 people have browsed it

没错，又是我，上次没说清楚
类似评论的功能
表table1内有字段topicid,floor,time,text
如何实现相同的topicid内floor自增，同时插入时加锁(防止高并发同floor)。还有一个需求，删除一行floor，floor依然增加(想没删除一样)。(exmaple:INSERT得floor=1,删除该行,再INSERT得floor=2)

最好能有php代码，感谢

回复内容：

没错，又是我，上次没说清楚
类似评论的功能
表table1内有字段topicid,floor,time,text
如何实现相同的topicid内floor自增，同时插入时加锁(防止高并发同floor)。还有一个需求，删除一行floor，floor依然增加(想没删除一样)。(exmaple:INSERT得floor=1,删除该行,再INSERT得floor=2)

最好能有php代码，感谢

已参考wordpress解决

专门搞一个自增长表，在这个表插数据来生成ID。

一般这种需求都是设计菜鸟设计的

Related labels：
mysql php
source：php.cn
Previous article：android 新手求教？ Next article：什么情况下需要将文章的点击数单独放在一个表？
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！