PK計算機


コンMicroautデータ、テネモスcomposeidボックスから.エルManejo es muy類似したque jpa ...
<論説>コンティネンヌ・ナチスの社会学
CREATE TABLE "author_detail_entity" (
"author_id" BIGINT NOT NULL,
"book_id" BIGINT NOT NULL, 
PRIMARY KEY("author_id","book_id"));
Path Fin Privstas as Path Finder : IndedeDo ,埋め込み性
import io.micronaut.data.annotation.*;

@MappedEntity
public class AuthorDetailEntity {
    @EmbeddedId
    private AuthorDetailId authorDetailId;

    public AuthorDetailEntity(AuthorDetailId authorDetailId) {
        this.authorDetailId = authorDetailId;
    }

    public AuthorDetailId getAuthorDetailId() {
        return authorDetailId;
    }
}

@Embeddable
class AuthorDetailId {
    @MappedProperty("author_id")
    private final Long authorId;
    @MappedProperty("book_id")
    private final Long bookId;

    public AuthorDetailId(Long authorId, Long bookId) {
        this.authorId = authorId;
        this.bookId = bookId;
    }

    public Long getAuthorId() {
        return authorId;
    }

    public Long getBookId() {
        return bookId;
    }
}
拡張モジュールla obtener n crud reactivo .
@R2dbcRepository(dialect = Dialect.POSTGRES)
public interface AuthorDetailRepository 
        extends ReactiveStreamsCrudRepository<AuthorDetailEntity, AuthorDetailId> {
}
Alunos m ' s todos provistos son find *, delete *, etc .



メンタリティ
https://micronaut-projects.github.io/micronaut-data/lates/guide/#sqlCompositeId
https://gitlab.com/edgar.gs/mn-r2dbc.git