#7 feat: add belongs_to and has_many relation support#33
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RAprogramm merged 2 commits intodevfrom Jan 5, 2026
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- Add #[belongs_to(Entity)] field attribute for foreign key relations
- Add #[has_many(Entity)] entity attribute for one-to-many relations
- Generate find_{entity} methods for belongs_to relations
- Generate find_{entities} methods for has_many relations
- Implement PostgreSQL repository methods for both relation types
- Update documentation with relation examples
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When multiple entities with relations are in the same file, PgPool implements multiple repository traits with find_by_id methods. Use <Self as Trait>::find_by_id() to disambiguate.
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Summary
#[belongs_to(Entity)]field attribute for foreign key relations#[has_many(Entity)]entity attribute for one-to-many relationsfind_{entity}methods for belongs_to relations (returnsOption<Entity>)find_{entities}methods for has_many relations (returnsVec<Entity>)Changes
src/entity/parse/field/storage.rs: Add belongs_to field to StorageConfigsrc/entity/parse/field.rs: Parse#[belongs_to(Entity)]attributesrc/entity/parse/entity.rs: Parse#[has_many(Entity)]attributes, add has_many fieldsrc/entity/repository.rs: Generate trait methods for both relation typessrc/entity/sql/postgres.rs: Implement PostgreSQL methods for relationssrc/lib.rs: Registerbelongs_toandhas_manyattributesREADME.md: Add Relations section with examplesCloses #7