MybatisPlus multi table connection query one-to-one, one to many, many to many query

1, Preface(1) Background contentThe most common selection component of DAO layer in software application technology architecture is MyBatis. Friends who are familiar with MyBatis know how beautiful MyBatis was in the past. XML files are used to solve the problem of complex database access. Today, the former Dragon Slayer has finally become a dr ...

Added by jdavidbakr on Thu, 24 Feb 2022 02:26:45 +0200

Mybatisplus builds multi tenant mode (shared library table, distinguishing tenants by tenant id field)

preface In recent work, I have encountered application scenarios of multi tenant mode, for which I have consulted a lot of materials. After analyzing the feasibility, the shared library table is selected, which is realized by distinguishing tenants according to the tenant id field. This record is convenient for future reference 1. Before ...

Added by gmann001 on Fri, 11 Feb 2022 04:30:15 +0200

Learning notes - mybatis plus

summary Official website: MyBatis-Plus (baomidou.com) characteristic No invasion: it is only enhanced without change, and its introduction will not affect the existing project, which is as smooth as silk Low loss: the basic CURD will be injected automatically upon startup, with basically no loss of performance and direct object-oriented operat ...

Added by TronB24 on Tue, 01 Feb 2022 21:17:38 +0200

Mybatis plus learning notes

The notes are arranged in the crazy God's mybatis plus Mybatis plus study notes 1. Introduction Mybatis-plus MyBatis plus (MP for short) is an enhancement tool of MyBatis. On the basis of MyBatis, it only makes enhancement without change, and is born to simplify development and improve efficiency. 1.1 characteristics No invasio ...

Added by AVATAr on Mon, 31 Jan 2022 23:05:56 +0200

Spring boot integrates mybatis plus (including reverse auto generated code)

One. brief introduction MyBatis plus (opens new window) (MP for short) is an enhancement tool of MyBatis (opens new window). Based on MyBatis, it only makes enhancement without change, and is born to simplify development and improve efficiency. characteristic: No invasion: it is only enhanced without change, and its introduction will ...

Added by kingnutter on Sun, 23 Jan 2022 21:44:30 +0200

Multi data source transaction integration - mybatis plus

At present, most of what Baidu can search are aop and multi data source management implemented separately. It is complex to use, and it is not very perfect. For example, whether to consider nested transactions and the support method of multi data source transactions, many bloggers are not involved. Most of them are simple Interception Based on ...

Added by vapour_ on Thu, 16 Dec 2021 10:05:16 +0200

Mybatis plus learning notes (for details)

1, Introduction to MybatisPlus MyBatis plus (opens new window) (MP for short) is an enhancement tool of MyBatis (opens new window). Based on MyBatis, it only makes enhancement without change, and is born to simplify development and improve efficiency. Mybatis plus Chinese document characteristic: 1. No invasion: it is only enhanced without ch ...

Added by derekbelcher on Wed, 17 Nov 2021 11:51:59 +0200

Conditional constructor wapper

catalogue1, Introduction to wapper1. Wrapper family2. Create test class2, QueryWrapper1. Example 1: assembly query criteria2. Example 2: assembly sorting conditions3. Example 3: assembly deletion condition4. Example 4: priority of condition5. Example 5: assemble the select clause6. Example 6: implement sub query3, UpdateWrapperExample 7: the re ...

Added by soldbychris on Wed, 03 Nov 2021 01:31:13 +0200

Mybatis plus detailed tutorial

Mybatis plus tutorial Welcome to the "Java master" of the blogger official account, focusing on dry cargo articles in Java field. http://www.javaman.cn/jszw/mybatis-plus What is mybatis plus MyBatis-Plus (opens new window) (MP) is a MyBatis (opens new window) On the basis of MyBatis, the enhancement tool is only enhanced without ch ...

Added by amit on Mon, 20 Sep 2021 22:46:02 +0300