java - Mapstruct many-to-one mapping - Stack Overflow Currently, I don't have any other ideas It's either fetching too much data or produces the N+1 query If you need MemberEntity s in CaseEntity, I would consider adding the other side of @ManyToOne relationship in CaseEntity and join fetch them together
JPA Many-To-One Mapping - GeeksforGeeks We will map multiple Student entities to a single University entity and persist this relationship in a relational database using Hibernate as the JPA provider The implementation involves the following steps: Set up a JPA project with Hibernate and MySQL dependencies Configure the persistence unit using persistence xml
MapStruct problem solution with ManyToMany Sudo Null IT News Readers in the comments suggested using the MapStruct library to solve the looping problem After reading the documentation I made sure that this is a really strong thing, with the help of which you can solve quite complex tasks of moving data between objects
how to map an dto included foreign key id to object one to many . . . The reason why the categoryId stays null is because MapStruct doesn't know how to map it You should see a warning for an unmapped property The best approach is to tell MapStruct where this category id is coming from