This article demonstrates how Java 8's functional interfaces and lambda expressions can be used to abstract and reuse data validation logic, reducing repetitive code and improving readability and maintainability in backend services.
This article explains how to dramatically improve MyBatis-Plus batch insertion speed—up to 2000%—by enabling rewriteBatchedStatements, pre‑generating primary keys to handle foreign‑key relationships, applying proper JDBC batch settings, and using asynchronous multithreaded insertion with optimized connection‑pool and executor configurations.
This article introduces MyBatis-Plus, an enhancement library for MyBatis, outlines its major advantages, explains performance‑analysis and advanced plugins, and provides a step‑by‑step tutorial with code examples for integrating, configuring, and using the framework in Java Spring Boot projects.
This guide explains why missing WHERE clauses can trigger dangerous full‑table updates in MySQL, shows how to enable the sql_safe_updates mode, demonstrates MyBatis‑Plus’s IllegalSQLInnerInterceptor plugin, and offers IDE and code‑review tips to safeguard database operations.
This article explains how to dramatically speed up MyBatis-Plus batch inserts by enabling the rewriteBatchedStatements JDBC property, creating custom batch insert/update methods, and applying multithreading, providing code examples, performance test results, and practical recommendations for handling large data synchronizations.
This article explains why MyBatis-Plus's saveBatch() can be slow for large data sets, shows how enabling rewriteBatchedStatements in the JDBC URL dramatically speeds up inserts, and demonstrates custom batch insert/update methods and multithreaded execution to further improve performance, complete with code examples and test results.
To avoid accidental full‑table UPDATE or DELETE operations, enable MySQL’s sql_safe_updates (session or global), use MyBatis‑Plus’s IllegalSQLInnerInterceptor, employ IDE plugins and code reviews, and always write explicit WHERE clauses or safe‑update patterns.
This article demonstrates how to use Fluent MyBatis, native MyBatis, and MyBatis‑Plus to implement a complex statistical query on a student_score table, compares the amount of code and effort required for each approach, and provides code generation settings for both frameworks.
This tutorial demonstrates how to use the mybatis-plus-join (MPJ) library to perform left and right join queries in a Spring Boot project without writing XML, covering dependency setup, mapper changes, query construction, pagination, and practical code examples.
This article explains how to create a custom annotation and MyBatis‑Plus interceptor to enforce data‑permission filtering based on user roles, provides both basic and advanced implementations with complete Java code examples, and shows how to integrate the interceptor into the MyBatis‑Plus plugin configuration.
This guide explains how to integrate the mybatis-plus-generator-ui library into a Spring Boot project, configure database connections, launch the web UI, and use its customizable templates and naming converters to generate Entity, Mapper, Service, and Controller classes for multiple databases with a single click.
This tutorial demonstrates how to set up a simple MySQL database, create a Spring Boot project, add Mybatis-Plus dependencies, install the MybatisX plugin, configure the connection, generate entity, mapper, service, and controller code, and verify the integration with a sample REST endpoint.
This article explains how to create a custom annotation and a MyBatis-Plus interceptor that automatically adds data‑permission WHERE clauses based on the current user's role, covering both a basic implementation and an advanced version with role‑based scope handling.
This article explains why replacing MyBatis with MyBatis‑Plus caused a LocalDateTime conversion exception, identifies the root cause as an outdated mysql‑connector‑java version, and shows how upgrading the connector (to 5.1.37 or later) resolves the issue while providing code examples and debugging steps.
An old Java project using MySQL, MyBatis, and an outdated mysql‑connector‑java driver encounters a “Conversion not supported for type java.time.LocalDateTime” error after swapping MyBatis for MyBatis‑Plus; the article walks through reproducing the issue, analyzing MyBatis version changes, upgrading the JDBC driver, and fixing subsequent bugs.
This article introduces the MybatisX IDEA plugin, outlines its benefits for reducing boilerplate in MyBatis/MyBatis‑Plus projects, and provides a step‑by‑step tutorial—including database setup, Maven dependency configuration, plugin installation, connection troubleshooting, and code generation—complete with Maven and Java code examples.
Learn how to enforce role‑based data permission filtering in MyBatis‑Plus by creating custom annotations, implementing an InnerInterceptor, and integrating a permission handler that dynamically builds WHERE clauses based on user roles, with both basic and advanced examples covering SQL parsing, role scopes, and plugin configuration.
This article walks through replacing MyBatis with MyBatis‑Plus in a legacy Java project, explains the “Conversion not supported for type java.time.LocalDateTime” error caused by MyBatis 3.5.1 and an outdated mysql‑connector‑java driver, and shows how upgrading the driver resolves the issue while offering debugging tips.
This article explains how to create a custom annotation and a MyBatis‑Plus interceptor that automatically injects data‑permission WHERE clauses into SQL statements, supports role‑based scopes, and shows both basic and advanced implementations with full Java code examples.
This article walks through migrating an existing MySQL‑based Java project from MyBatis 3.5.x to MyBatis‑Plus 3.1.1, diagnosing the LocalDateTime conversion exception, upgrading mysql‑connector‑java, handling subsequent null‑pointer issues, and learning from a related file‑validation bug to emphasize thorough testing during component upgrades.
The article walks through a performance test of inserting over 100,000 rows with many columns, showing how a naïve loop takes about 80 seconds while JDBC batch, manual transaction control, and MyBatis/MyBatis‑Plus batch APIs can reduce the time to roughly one second.
This tutorial walks through setting up a simple Spring Boot project, adding MyBatis‑Plus dependencies, configuring MybatisX in IntelliJ IDEA, generating entity, mapper, service, and controller code, and handling common connection issues, providing a complete end‑to‑end example of rapid MyBatis development.
MyBatis-Plus, an enhanced MyBatis toolkit, simplifies CRUD operations and injects dynamic SQL to boost productivity; this guide outlines its core features, important upgrade notes—including MyBatis 3.5.16 and JSqlParser 4.9 versions—provides a detailed changelog, and shows Maven dependencies for Spring Boot 3.x and 2.x.
A legacy Java project using MySQL, MyBatis 3.5.0, and an old mysql‑connector‑java version encounters a Conversion not supported for java.time.LocalDateTime error after switching to MyBatis‑Plus, and the article walks through root‑cause analysis, version upgrades, and practical fixes.
This article walks through replacing MyBatis with MyBatis‑Plus in a legacy Java project, uncovers the root cause of a LocalDateTime conversion error caused by MyBatis 3.5.1 and an outdated MySQL connector, demonstrates version upgrades and code fixes, and shares a related production bug and its remediation.
This article demonstrates how to boost the insertion speed of over two million records by configuring a Spring Boot ThreadPoolTaskExecutor, integrating it with MyBatis‑Plus and PostgreSQL, and measuring multi‑threaded versus single‑threaded performance to determine the optimal thread count.
This article details the migration from MyBatis to MyBatis-Plus in a Java project, explains the LocalDateTime conversion exception caused by MyBatis 3.5.1 and an outdated mysql‑connector‑java driver, and outlines the step‑by‑step fixes including driver upgrades and lessons learned from a separate file‑generation bug.
This guide shows how to configure Spring Boot, MyBatis‑Plus and the dynamic‑datasource starter to connect to MySQL, SQL Server and PostgreSQL, add and remove data sources at runtime, verify their availability, and perform manual switching using a utility class and functional interfaces.
This article explains how to efficiently insert massive amounts of data (over 100,000 rows) into a MySQL table by comparing plain JDBC single‑row inserts, JDBC batch inserts, MyBatis/MyBatis‑Plus foreach dynamic SQL, and the built‑in MyBatis‑Plus saveBatch method, while highlighting configuration tips and performance results.
This tutorial explains how to switch between multiple databases in a Spring Boot application by implementing ThreadLocal and AbstractRoutingDataSource, covering code implementation, configuration, testing, annotation-based switching, and dynamic addition of data sources with detailed examples and practical guidance.
This article walks through implementing dynamic data‑source switching in SpringBoot by combining ThreadLocal with AbstractRoutingDataSource, covering manual code, configuration, annotation‑driven AOP, and runtime addition of new data sources, complete with test cases and sample code.
This article introduces the MyBatis‑Plus Generator UI, a highly customizable web‑based code generation framework that supports multiple databases, explains its core features, provides step‑by‑step integration with Spring Boot, and demonstrates how to extend templates and configure naming conventions for efficient backend development.
This article explains why MyBatis-Plus saveBatch does not perform true batch inserts, shows how to enable JDBC rewriteBatchedStatements, creates a custom SQL injector with InsertBatchSomeColumn, implements batch splitting in a service layer, and presents benchmark results that demonstrate a several‑second speedup for inserting tens of thousands of rows.
This guide walks through integrating MyBatis‑Plus with Spring Boot, covering dependency setup, configuration, entity annotations, CRUD operations, pagination, logical deletion, enum handling, automatic field filling, multi‑data‑source support, and testing with concrete code examples and detailed explanations.
This article introduces MyBatis-Plus, an enhancement layer for MyBatis, and walks through its core features—non‑intrusive CRUD, Lambda queries, primary‑key strategies, automatic field filling, optimistic locking, pagination, logical delete, performance analysis, condition builders, and a code generator—providing complete code examples and configuration steps for Spring Boot integration.
This article introduces the MyBatis-Plus Generator UI, a web‑based tool that streamlines Spring Boot code generation for entities, mappers, services, and controllers, explains how to integrate it via Maven, configure databases, customize templates, and extend its functionality with custom name converters.
This guide explains how to implement dynamic data source switching in SpringBoot by leveraging ThreadLocal and AbstractRoutingDataSource, covering basic concepts, code examples for context holder, routing datasource, configuration, annotation‑driven switching, and runtime addition of new data sources with practical testing steps.
This article explains how to build a custom dynamic data‑source solution for Spring Boot by leveraging ThreadLocal and AbstractRoutingDataSource, provides complete Java code for context holders, routing datasource, configuration, annotation‑driven switching, and runtime addition of new data sources.
Learn how to leverage MyBatis-Plus's built-in CRUD capabilities, create custom SQL methods like SelectByErp, integrate them via a custom SqlInjector, and modify existing operations such as AlwaysUpdateSomeColumnById and UpdateById for sharding scenarios, enabling reusable and efficient data access across your backend.
The article provides a detailed technical comparison of MyBatis-Flex with MyBatis-Plus and Fluent-MyBatis, covering feature matrices, code examples for basic queries, aggregation, complex conditions, multi‑table joins, partial updates, and a step‑by‑step Spring Boot integration guide, before concluding on its maturity and suitability for production.
This article explains why using MyBatis‑Plus saveBatch for bulk inserts can cause 5‑6 second delays, analyzes the underlying per‑row INSERT behavior, and shows how adding rewriteBatchedStatements=true to the JDBC URL dramatically reduces execution time to a few hundred milliseconds.
This tutorial walks through MyBatis-Plus's advanced capabilities—including high‑performance batch inserts, logical deletion with global config, automatic timestamp and user fields via MetaObjectHandler, JSON type handling, dynamic table name resolution, and multi‑tenant support—showing concrete code, configuration, and benchmark results for each feature.
This article introduces MyBatis-Plus, outlines its non‑intrusive features and CRUD enhancements, walks through integrating it with a Spring Boot project, demonstrates entity, mapper and service definitions, explains common annotations, showcases the powerful Wrapper condition builder, and covers pagination configuration for everyday backend development.
This article presents a typical requirement to calculate count, minimum, maximum, and average scores for three subjects in a student_score table, demonstrates how to fulfill it using raw SQL, then shows step‑by‑step implementations with Fluent MyBatis, native MyBatis XML, and MyBatis‑Plus code generation, and finally compares the three approaches highlighting their pros and cons.
This article demonstrates how to implement a statistical query on a student_score table using three ORM frameworks—Fluent Mybatis, native Mybatis, and Mybatis‑Plus—showing code examples, configuration steps, and a side‑by‑side comparison of their ease of use and generated code.
Version 3.5.4‑SNAPSHOT of MyBatis‑Plus introduces auto‑increment primary key handling, generic extraction, new BaseMapper update and streaming query methods, batch operations, expanded Spring Boot 3 support, numerous dependency upgrades, and a series of optimizations and bug fixes that improve performance, compatibility, and developer ergonomics.
This article analyzes a production deadlock caused by MyBatis‑Plus’s saveOrUpdate method, explains how MySQL gap locks lead to the issue, demonstrates reproducible tests, and offers practical solutions such as disabling gap locks or customizing the saveOrUpdate implementation.
MyBatis‑Plus 3.5.13 introduces dynamic SQL smart optimization, a richer code generator, significant heap‑memory reduction, Spring Boot 3 and JDK 17 native support, new database adapters, enhanced optimistic locking, multi‑parameter filling, and comprehensive SQL‑injection safeguards, all aimed at faster, more productive backend development.
This guide explains how to enforce user‑role based data access in MyBatis‑Plus by creating a custom annotation, building an InnerInterceptor that modifies SQL WHERE clauses, configuring the interceptor in the MyBatis‑Plus plugin, and extending the approach to handle department‑level and self‑only scopes.
Learn how to enforce role‑based data access in Java applications by creating custom annotations, building MyBatis‑Plus interceptors, and integrating them into the MybatisPlusInterceptor, with both basic and advanced implementations that handle user, department, and admin scopes.
This article provides a step‑by‑step tutorial on integrating MyBatis‑Plus into a Spring Boot project, covering dependency setup, configuration of data sources, entity annotations, CRUD operations, pagination, logical deletion, enum handling, automatic field filling, and multi‑datasource usage with complete code examples.
This article examines the ongoing debate around MyBatis‑Plus, highlighting its convenience for simple CRUD operations, the maintenance challenges it introduces, and practical guidelines—such as using LambdaQueryWrapper and pagination plugins—to decide when the framework is appropriate for Java backend projects.
This article demonstrates how to leverage MyBatis interceptor mechanism in a Spring Boot 3 application to dynamically modify SQL statements, showing step‑by‑step implementation, configuration, core code, testing, and common use cases such as SQL monitoring, pagination, and data permission filtering.
This article investigates how the MyBatis‑Plus saveOrUpdate method can trigger gap‑lock deadlocks in MySQL, explains the underlying concepts of deadlocks and gap locks, reproduces the issue with concrete SQL scripts, and proposes both risky and recommended mitigation strategies.
The article explains why unrestricted large‑table queries cause JVM Out‑Of‑Memory errors, analyzes the drawbacks of simple LIMIT pagination, and provides a MyBatis‑Plus based bulk‑execution utility with code examples for safe, efficient batch processing and multithreaded execution.
Bean Searcher and MyBatis Plus both enable dynamic queries in Java, but they differ in ORM dependence, query syntax, operator flexibility, logical grouping, multi‑table support, and ideal use cases, with Bean Searcher offering dynamic operators and one‑line controller code while MyBatis Plus excels in transactional operations.
This article explains the concept of SaaS multi‑tenant architecture, compares three data‑isolation designs, and demonstrates how to implement elegant tenant data isolation in Java using MyBatis‑Plus’s tenant plugin, including configuration, code examples, and practical considerations.
This article compares MyBatis‑Plus and Bean Searcher, detailing their basic differences, dynamic query capabilities, logical grouping, multi‑table joins, performance benchmarks, supported databases, and recommended usage scenarios, while providing extensive code examples and best‑practice recommendations for backend developers.
This article introduces the MyBatis-Plus Generator UI, a web‑based tool that wraps MyBatis‑Plus code generation to quickly produce Spring Boot compatible entities, mappers, services and controllers, explains how to integrate it via Maven and a main class, and demonstrates its rich customization and UI features.
This article explains what SQL injectors are in MyBatis‑Plus, lists the built‑in extended injectors, shows how to configure them globally, demonstrates custom mapper creation, provides complete code examples and test cases, and guides readers through building their own SQL injector for full‑field updates and batch operations.
This article introduces the MyBatis‑Plus‑Join library that adds join capabilities to MyBatis‑Plus, explains how to install it via Maven or Gradle, shows how to extend mapper and service interfaces, and provides detailed code examples for simple three‑table queries, pagination, and advanced custom SQL usage.
This tutorial shows how to use the MyBatis‑Plus‑Join (MPJ) extension to perform left‑join queries, modify mappers, build queries with MPJLambdaWrapper and MPJQueryWrapper, and add pagination, eliminating the need for manual XML SQL while improving development efficiency.
Learn how to implement multi‑tenant isolation in a SaaS application using MyBatis‑Plus, covering database schema design, Maven dependencies, configuration of pagination interceptors, tenant handler logic, request‑header propagation, async thread handling, selective filtering, and common pitfalls with bean copying and join queries.
This guide walks through setting up a Spring Boot 2.6.14 project with ShardingSphere 5.3.0 encryption, covering Maven dependencies, YAML configurations for data sources and encryptors, defining the users table schema, implementing CRUD operations with MyBatis‑Plus, and troubleshooting connection‑pool settings.
This article introduces the MyBatis‑Plus Generator UI, a web‑based code generation tool for Spring Boot projects, explains its features, shows how to integrate it via Maven and a main class, demonstrates running and customizing the generator, and provides tips for extending templates and UI.
This guide demonstrates how to integrate the MybatisX IDEA plugin with a Spring Boot project, covering database setup, Maven dependency configuration, plugin installation, connection testing, code generation, and sample controller implementation to accelerate MyBatis and MyBatis-Plus development.
This article introduces the MyBatis‑Plus Generator UI, a highly customizable web‑based code generator for Spring Boot projects, explains how to integrate it via Maven, run it, use its rich features for entity, mapper, service and controller generation, and extend it with custom templates and name‑conversion rules.
This article analyzes why MyBatis‑Plus's default saveBatch method does not achieve true batch insertion, explains how to enable JDBC batch mode with rewriteBatchedStatements, and demonstrates creating a custom SQL injector (InsertBatchSomeColumn) to perform real batch inserts, including performance test results showing significant speed improvements.
This article provides a detailed introduction to MyBatis‑Plus, covering its core features, step‑by‑step quick‑start instructions, CRUD operations, advanced configurations such as optimistic locking, logical deletion, pagination, performance analysis, and the built‑in code generator, all illustrated with complete Java code examples.
This tutorial walks through integrating MyBatis‑Plus into a Spring Boot project, covering dependency setup, configuration of data sources, entity annotations, service and mapper layers, pagination, logical deletion, enum handling, automatic field filling, multi‑datasource support, and testing with full code examples.
This tutorial explains what MybatisX is, outlines its advantages, and provides a detailed, code‑rich walkthrough for integrating the plugin into a Spring Boot project, configuring the database, generating MyBatis‑Plus entities, and writing a simple controller to query data.
This article presents five common batch‑insert approaches for MyBatis and MyBatis‑Plus—including a for‑loop, manual batch commit, collection‑based batch, saveBatch, and InsertBatchSomeColumn—provides complete code examples, configuration steps, and measured execution times to help Java backend developers choose the most efficient method.
This article investigates a MyBatis‑Plus bug where enum values with abstract methods become anonymous classes, causing the framework to fail to locate the correct TypeHandler, leading to SQL errors, and provides several practical solutions to avoid or fix the issue.
This article presents a detailed overview of five commonly used MyBatis and MyBatis-Plus batch insertion methods, including code examples, configuration steps, and performance measurements for inserting ten thousand records, helping developers choose the most efficient approach for large‑scale data insertion in Java backend projects.
This tutorial demonstrates how to use the MyBatis-Plus-Join (MPJ) library to perform left and right join queries in a Spring Boot project without writing XML SQL, covering dependency setup, mapper modification, query construction with MPJLambdaWrapper and MPJQueryWrapper, and pagination support.
This article explains how to implement a comprehensive unified exception handling mechanism in Spring Boot by using @ControllerAdvice, custom BaseException/BusinessException classes, enum‑based error codes, assertion utilities, and standardized response objects to simplify error management across controller and service layers.
This article presents and compares five practical batch‑insert methods for MyBatis and MyBatis‑Plus, covering preparation steps, code implementations, configuration details, and performance results, helping developers choose the most efficient approach for inserting large volumes of data in Java backend projects.
This article explains how MyBatis‑Plus maps Mapper interface methods to executable SQL statements, detailing the auto‑configuration of SqlSessionFactory, XML parsing, mapper registration, SQL injection, and the dynamic proxy mechanism used at runtime.
This article compares Fluent MyBatis, native MyBatis, and MyBatis Plus by implementing a student score aggregation query, showcasing code examples, generator settings, and a detailed feature matrix to help developers choose the most efficient ORM for complex SQL construction.
This tutorial demonstrates how to use the MyBatis-Plus-Join (MPJ) library to perform left and right join queries in Spring Boot without writing XML SQL, covering dependency setup, entity and mapper modifications, query construction with MPJLambdaWrapper and MPJQueryWrapper, pagination support, and practical tips.
This tutorial walks through integrating MyBatis-Plus into a Spring Boot project, covering dependency setup, configuration, entity annotations, CRUD service and mapper usage, pagination, logical deletion, enum handling, automatic field filling, and multi‑data‑source management, complete with code examples and testing.
This guide walks through integrating MyBatis-Plus with Spring Boot, covering environment setup, Maven dependencies, configuration of data sources, entity annotations, CRUD services, pagination, logical deletion, enum handling, automatic field filling, multi‑data‑source strategies, and testing with full code examples.
This article explains the concept of multi‑tenant architecture, compares three data isolation strategies, and provides a complete MyBatis‑Plus configuration with code examples to automatically add tenant IDs, including how to filter specific SQL statements, helping developers build cost‑effective SaaS back‑ends.
This article demonstrates how to create a simple lottery application using Spring Boot, MyBatis‑Plus, and Redis, covering project setup, database schema, dependency configuration, Redis integration, event‑driven data initialization, lottery draw logic, stock management, and asynchronous record handling.
A comprehensive guide walks you through integrating MyBatis-Plus with Spring Boot, detailing dependency setup, configuration, entity annotations, CRUD operations, pagination, logical deletion, enum mapping, automatic field filling, multi‑datasource handling, and testing, all illustrated with runnable code examples.
This tutorial explains how to configure MySQL master‑slave replication using Docker, set up read‑write splitting with ShardingSphereJDBC, integrate MyBatis‑Plus, and build a Spring Boot application that demonstrates write operations on the master and read operations on the slave.
This article introduces the mybatis-plus-join library (v1.2.4) that adds join capabilities to MyBatis‑Plus, explains how to install it, shows usage with MPJLambdaWrapper and MPJQueryWrapper—including simple, paginated, and advanced queries—while providing complete code examples and generated SQL.
This article provides a detailed walkthrough of MyBatis‑Plus internals, covering the auto‑configuration of SqlSessionFactory, parsing of mapper XML and annotations, registration of mapper interfaces via @MapperScan, creation of dynamic proxies, and the final assembly of executable SQL scripts for database interactions.
This article introduces MyBatis‑Plus, an enhancement tool for MyBatis that provides non‑intrusive CRUD operations, lambda queries, automatic primary‑key generation, pagination, optimistic locking, logical deletion, performance analysis, and a code generator, and demonstrates how to set up a Spring Boot project with full code examples.
This article explains how to replace repetitive try‑catch blocks in Java Spring applications with a clean, centralized exception handling strategy using @ControllerAdvice, custom Assert utilities, and enum‑based error codes, while also showing how to return consistent error responses across services.
This tutorial walks through creating a Spring Boot lottery application that caches activity, prize, and record data in Redis, covering project setup, Maven dependencies, YML configuration, MyBatis‑Plus code generation, Redis key management, lottery API, event‑driven data loading, stock handling, and asynchronous record saving.
This article presents a step‑by‑step guide to building a Spring Boot lottery application that leverages MyBatis‑Plus and Redis for caching activity, prize, and record data, covering project setup, dependencies, configuration, code generation, Redis integration, lottery logic, and stock management.
MyBatis-Plus, a MyBatis enhancement toolkit, streamlines CRUD development, celebrates its fifth consecutive OSC popularity award, and introduces version 4.0 with a comprehensive update log that includes MyBatis 3.5.9 upgrade, dynamic mapper injection, new hooks, and numerous performance and compatibility improvements.
This article explains how Mybatis-Plus extends MyBatis by injecting dynamic configuration XML, customizing mapper registration, and generating CRUD SQL statements through classes like MybatisSqlSessionFactoryBuilder, MybatisConfiguration, MybatisMapperRegistry, and various AbstractMethod implementations.
This article demonstrates how to use Fluent Mybatis, native Mybatis, and Mybatis‑Plus to implement a complex student‑score aggregation query, compares their code structures, generation settings, and highlights the advantages and drawbacks of each approach for backend development.
This article demonstrates how to extend MyBatis-Plus to support ClickHouse-specific DML operations by defining custom SQL method enums, implementing UpdateByIdClickHouse and ClickHouseSqlInjector classes, creating a SuperMapper interface with new CRUD methods, and providing unit tests to verify the integration.
This article demonstrates how to extend MyBatis‑Plus to support ClickHouse-specific SQL operations by creating custom enum definitions, method classes, a SQL injector, a super mapper interface, and accompanying unit tests, enabling update, delete, and logical delete functionalities that differ from standard MySQL behavior.
This article demonstrates how to use Fluent MyBatis to build complex SQL queries for a student_score table, compares the implementation with native MyBatis XML and MyBatis‑Plus, and discusses code generation settings and practical trade‑offs, providing full code examples and performance insights.
This article explains how to improve database insertion performance in Java by replacing per‑iteration inserts with MyBatis‑Plus’s saveBatch method, detailing dependency setup, schema creation, entity, controller, service, and mapper code for efficient bulk operations.
This article introduces Sharding-JDBC (now ShardingSphere), explains core sharding concepts such as shards, data nodes, logical and physical tables, sharding keys, algorithms and strategies, shows how it extends JDBC, and provides a step‑by‑step Spring Boot + MyBatis‑Plus example for building a sharded database application.
