Individual skill
mybatis-patterns
MyBatis and MyBatis-Spring patterns for mapper design, XML and annotation SQL, result mapping, dynamic SQL safety, transactions, batching, pagination, and query performance. Use when building or reviewing Java persistence code with MyBatis, Spring Boot, MyBatis-Spring, or MyBatis-based legacy applications.
pi/core/skills/mybatis-patterns/SKILL.md
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# MyBatis Patterns
Use MyBatis when SQL control and explicit mappings matter. Keep SQL readable,
make mapper contracts small, and put business transactions in the service layer.
Pair this skill with `springboot-patterns` for application structure,
`database-migrations` for schema changes, `postgres-patterns` or
`mysql-patterns` for engine-specific SQL, and `security-review` for untrusted
input and access-control concerns.
## When to Activate
- Adding or reviewing MyBatis mapper interfaces or XML files
- Choosing between XML mappers, annotation mappers, and generated SQL
- Designing `resultMap` mappings, joins, nested collections, or projections