jpa-patterns
JPA/Hibernate patterns in Spring Boot for entity design, relationship handling, query optimization, transaction management, auditing, indexing, pagination, and connection pooling.
Machine translationRead the original Chinese text
Spring Boot中的JPA/Hibernate模式，用于实体设计、关系处理、查询优化、事务管理、审计、索引、分页和连接池。
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Excerpt from the author’s documentation
Extracted from a fixed version of SKILL.md in its original language. This is the author’s documentation; installation, compatibility and runtime results have not been verified by this site.
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Topics in the source
- JPA/Hibernate 模式
- 何时激活
- 实体设计
- 关联关系和 N+1 预防
- 存储库模式
- 事务
- 分页
- 索引和性能
用于 Spring Boot 中的数据建模、存储库和性能调优。 设计 JPA 实体和表映射时 定义关系时 (@OneToMany, @ManyToOne, @ManyToMany) 优化查询时 (N+1 问题预防、获取策略、投影) 配置事务、审计或软删除时 设置分页、排序或自定义存储库方法时 调整连接池 (HikariCP) 或二级缓存时 启用审计： 默认使用延迟加载；需要时在查询中使用 JOIN FETCH 避免在集合上使用 EAGER；对于读取路径使用 DTO 投影 使用投影进行轻量级查询： 使用 @Transactional 注解服务方法 对读取路径使用 @Transactional(readOnly = true) 以进行优化 谨慎选择传播行为；避免长时间运行的事务 对于类似游标的分页，在 JPQL 中包含 id > :lastId 并配合排序。 为常用过滤器添加索引（status、slug、外键） 使用与查询模式匹配的复合索引（status, createdat） 避免 select ；仅投影需要的列 使用 saveAll 和 hibernate.jdbc.batchsize 进行批量写入 推荐属性： 对于 PostgreSQL LOB 处理，添加： 一级缓存是每个 EntityManager 的；避免在事务之间保持实体 对于读取频繁的实体，谨慎考虑二级缓存；验证驱逐策略 使用 Flyway 或 Liquibase；切勿在生产中依赖 Hibernate 自动 DDL 保持迁移的幂等性和可添加性；避免无计划地删除列 首选使用 Testcontainers 的 @DataJpaTest 来镜像生产环境 使用日志断言 SQL 效率：设置 logging.level.org.hibernate.SQL=DEBUG 和 logging.level.org.hibernate.orm.jdbc.bind=TRACE 以查看参数值 请记住：保持实体精简，查询有针对性，事务简短。通过获取策略和投影来预防 N+1 问题，并根据读写路径建立索引。
- Source repository
- affaan-m/ECC
- Source file
- docs/zh-CN/skills/jpa-patterns/SKILL.md
- Fixed revision
- d2ef2680594f9a17526a6e1a2e18b3d242c5d17b
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Author: affaan-m/ECC · original repository metadata. Documentation review: Not reviewed. Last source check: 2026-11-09T15:01:42.389Z.
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