search
HomeDatabaseMysql Tutorial用mysql储存过程批量插入数据
用mysql储存过程批量插入数据Jun 07, 2016 pm 02:56 PM
mysqlstorebatchinsertdatayesterdayprocess

昨天写的shell脚本批量插入数据( mysql批量插入数据(更改版)和 mysql批量插入数据都是本人写的)在执行的过程中太慢,3000多条数据插入了2个多小时,这次用储存过程批量插入数据,一万条数据仅仅用了7分钟,主要是因为,shell脚本插入式每次都得打开数据库

昨天写的shell脚本批量插入数据( mysql批量插入数据(更改版)和 mysql批量插入数据都是本人写的)在执行的过程中太慢,3000多条数据插入了2个多小时,这次用储存过程批量插入数据,一万条数据仅仅用了7分钟,主要是因为,shell脚本插入式每次都得打开数据库,而用储存过程只需要打开一次数据库就行啦!
#数据表的结构为stu_id(学号) ,stu_name(姓名),stu_sex(性别),cla_id(班级编号),stu_phone(手机号)

drop procedure if exists insertt;#如果存在储存过程则删除
delimiter $$                     #创建一个储存过程
create procedure insertt()
begin
set @a=2000000001;     #学号
set @d=20000001;       #班级编号
set @e=18200000000;   #手机号
while @a<2000010001 do     #如果@a<2000010001则返回true,继续执行
set @b=rand_string(5);     #姓名,随即赋值,值为5位a-zA-Z的任意组合
set @c=rand_sex(1);           #性别,随即赋值,值为1位,0或者1
insert into students values(@a,@b,@c,@d,@e);
set @a=@a+1;
set @e=@e+1;
    if @a%100=0 
    then
        set @d=@d+1 ;
     end if;
end while;
end$$
delimiter ;

#执行存储过程插入数据
call insertt();

#创建一个随机产生字符串的函数
set global log_bin_trust_function_creators = 1;
DROP FUNCTION IF EXISTS rand_string;
DELIMITER //  
CREATE FUNCTION rand_string(n INT)
RETURNS VARCHAR(255)
BEGIN
                DECLARE chars_str varchar(100) DEFAULT 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
                DECLARE return_str varchar(255) DEFAULT '';
                DECLARE i INT DEFAULT 0;
                WHILE i < n DO
                                SET return_str = concat(return_str,substring(chars_str , FLOOR(1 + RAND()*52 ),1));#52代表在52个字母中随即找出一个
                                SET i = i +1;
                END WHILE;
                RETURN return_str;
END //
delimiter ; 

#创建一个随机产生字符串的函数,0和1随机出现
set global log_bin_trust_function_creators = 1;
DROP FUNCTION IF EXISTS rand_sex;
DELIMITER //   
CREATE FUNCTION rand_sex(n INT)
RETURNS VARCHAR(255)
BEGIN
                DECLARE chars_str varchar(100) DEFAULT '01';
                DECLARE return_str varchar(255) DEFAULT '';
                DECLARE i INT DEFAULT 0;
                WHILE i < n DO
                                SET return_str = concat(return_str,substring(chars_str , FLOOR(1 + RAND()*2 ),1));
                                SET i = i +1;
                END WHILE;
                RETURN return_str;
END //
delimiter ; 
Statement
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
图文详解mysql架构原理图文详解mysql架构原理May 17, 2022 pm 05:54 PM

本篇文章给大家带来了关于mysql的相关知识,其中主要介绍了关于架构原理的相关内容,MySQL Server架构自顶向下大致可以分网络连接层、服务层、存储引擎层和系统文件层,下面一起来看一下,希望对大家有帮助。

mysql怎么替换换行符mysql怎么替换换行符Apr 18, 2022 pm 03:14 PM

在mysql中,可以利用char()和REPLACE()函数来替换换行符;REPLACE()函数可以用新字符串替换列中的换行符,而换行符可使用“char(13)”来表示,语法为“replace(字段名,char(13),'新字符串') ”。

mysql的msi与zip版本有什么区别mysql的msi与zip版本有什么区别May 16, 2022 pm 04:33 PM

mysql的msi与zip版本的区别:1、zip包含的安装程序是一种主动安装,而msi包含的是被installer所用的安装文件以提交请求的方式安装;2、zip是一种数据压缩和文档存储的文件格式,msi是微软格式的安装包。

mysql怎么去掉第一个字符mysql怎么去掉第一个字符May 19, 2022 am 10:21 AM

方法:1、利用right函数,语法为“update 表名 set 指定字段 = right(指定字段, length(指定字段)-1)...”;2、利用substring函数,语法为“select substring(指定字段,2)..”。

mysql怎么将varchar转换为int类型mysql怎么将varchar转换为int类型May 12, 2022 pm 04:51 PM

转换方法:1、利用cast函数,语法“select * from 表名 order by cast(字段名 as SIGNED)”;2、利用“select * from 表名 order by CONVERT(字段名,SIGNED)”语句。

MySQL复制技术之异步复制和半同步复制MySQL复制技术之异步复制和半同步复制Apr 25, 2022 pm 07:21 PM

本篇文章给大家带来了关于mysql的相关知识,其中主要介绍了关于MySQL复制技术的相关问题,包括了异步复制、半同步复制等等内容,下面一起来看一下,希望对大家有帮助。

带你把MySQL索引吃透了带你把MySQL索引吃透了Apr 22, 2022 am 11:48 AM

本篇文章给大家带来了关于mysql的相关知识,其中主要介绍了mysql高级篇的一些问题,包括了索引是什么、索引底层实现等等问题,下面一起来看一下,希望对大家有帮助。

mysql怎么判断是否是数字类型mysql怎么判断是否是数字类型May 16, 2022 am 10:09 AM

在mysql中,可以利用REGEXP运算符判断数据是否是数字类型,语法为“String REGEXP '[^0-9.]'”;该运算符是正则表达式的缩写,若数据字符中含有数字时,返回的结果是true,反之返回的结果是false。

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.