312-frameworks-spring-data-jdbc

name	312-frameworks-spring-data-jdbc
description	Use when you need to use Spring Data JDBC with Java records — including entity design with records, repository pattern, immutable updates, aggregate relationships, custom queries, transaction management, and avoiding N+1 problems. Part of the skills-for-java project
license	Apache-2.0
metadata	{"author":"Juan Antonio Breña Moral","version":"0.13.0-SNAPSHOT"}

Spring Data JDBC with Records

Apply Spring Data JDBC guidelines with Java records.

What is covered in this Skill?

• Records for entity classes
• Repository pattern
• Immutable updates
• Aggregate relationships
• Custom queries
• Transaction management
• Single query loading (N+1 avoidance)

Scope: Apply recommendations based on the reference rules and good/bad code examples.

Constraints

Before applying any Spring Data JDBC changes, ensure the project compiles. If compilation fails, stop immediately. After applying improvements, run full verification.

• MANDATORY: Run ./mvnw compile or mvn compile before applying any change
• SAFETY: If compilation fails, stop immediately
• VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
• BEFORE APPLYING: Read the reference for detailed rules and good/bad patterns

When to use this skill

• Review Java code for Spring Data JDBC
• Apply best practices for Spring Data JDBC in Java code

Reference

For detailed guidance, examples, and constraints, see references/312-frameworks-spring-data-jdbc.md.